________________

Here is my weekly weather quiz question. Today is your last chance to win this week. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

Another upper level trough of low pressure has moved down from the Gulf of Alaska. A frontal system slowly moved through Oregon on Thursday. Part of that storm moved through Northern California spinning precipitation into the area mainly between Roseburg and Medford. That upper level low will continue hanging around keeping our weather showery. A new frontal system will be approaching the Pacific Northwest Christmas morning. Sorry, no white Christmas for the valleys only the mountains.

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Advisories:  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM SATURDAY ABOVE 2,000 FT. FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY. A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM  SATURDAY ABOVE 1,500 FT. FOR EASTERN CURRY COUNTY COUNTY AND JEFFERSON COUNTY.A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM SATURDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, THE SISKIYOUS MOUNTAINS, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL , AND EASTERN LAKE COUNTY.

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The Winter Solstice was official at 3:12 AM PST today and that marked the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac. See, it was not the end of the world.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with showers (0.25 in. of rain possible) tonight, showers Saturday ( 0.10 in. of rain possible), showers at night (0.25 in. of rain possible), rain Sunday (0.35 in. of rain possible), showers likely (60%) Sunday evening, a good (50%) chance of showers at night (0.10 in. of rain possible), a mix of clouds and sun with a slight (20%) chance of showers Monday AM, then mostly cloudy with a good (50%) chance of rain Monday night lows 35-33 warming to 37 Monday night highs near 44. Mostly cloudy with rain Tuesday (Christmas Day) and Tuesday night, showers likely (60%) Wednesday, a good (50%) chance of showers Wednesday night through Thursday night, then mostly cloudy with a (30%) chance of showers Friday highs 45-42 lows 40-35. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers tonight (0.20 in. of rain possible, 2-3 in. of snow possible, snow level 1,000 ft. rising to 1,500 ft. late), rain and snow showers Saturday (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 2,000 ft.), evening rain and snow showers, rain and snow late Saturday night (0.15 in. of rain possible, 2 in. of snow possible, snow level 2,500 ft. falling to 2,000 ft), rain and snow  Sunday (0.30 in. of rain possible, snow level 1,500 ft. rising to 2,000 ft. in the afternoon), rain and snow showers likely (70%) Sunday night (under 0.10 in. of rain possible), a slight (20%) chance of rain and snow showers Monday, then rain and snow likely (60%) Monday night lows 38-35 warming to 37 Monday night highs near 40-44. Mostly cloudy with a good (50%) chance of rain and snow showers Monday, a slight (20%) chance of rain and snow Monday night, AM rain and snow likely (60%), AM rain and snow, rain Tuesday afternoon (Christmas Day), rain Tuesday night, rain and snow showers likely (60%) Wednesday and Wednesday night, a (40%) chance of rain and snow showers Thursday and Thursday night, then mostly cloudy with a slight (20%) chance of rain and snow showers Friday highs 46-42 lows 38-35. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  coastal showers with rain and snow showers inland tonight (o.40 in. possible, snow level 1,000 ft. rising to 1,500 ft.), AM coastal showers then showers and possible thunderstorms in the afternoon with showers inland Saturday (0.20 in. of rain possible, snow level 2,000 ft.), evening coastal showers and isolated thunderstorms then rain and isolated thunderstorms late Saturday night with evening showers then rain late at night inland ( 0.35 in. of rain possible), mostly cloudy with rain Sunday (0.40 in. of rain possible, AM snow level 2,000 ft.), coastal showers likely (70%) with inland evening showers then a good (50%) chance of showers late Sunday night (under 0.10 in. of rain possible, snow level 2,000 ft.), a (40%) chance of showers Monday, then rain likely (70%) Monday night lows 40-36 highs near 46. Mostly cloudy with rain Tuesday (Christmas Day) and Tuesday night, showers likely (70%) Wednesday and Wednesday night, a good (50%) chance of showers Thursday and Thursday night, then mostly cloudy with a (30%) chance of showers Friday highs near 49 lows 42-38. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with rain and snow showers (0.25 in. of rain possible, 2-4 in. of snow possible) tonight, AM snow showers, rain and snow showers Saturday afternoon (0.25 in. of rain possible, 1-2 in. of snow possible), rain and snow showers Saturday night, snow showers Saturday night (1-3 in. of snow possible), snow Sunday, snow showers Sunday night, a good (50%) chance of snow showers Monday, then mostly cloudy with a (40%) chance of snow Monday night snow level 3,000 ft. tonight, 2,500 ft. Saturday and Saturday night, then at the surface Sunday through Monday night lows 29-24 warming to 28 Monday night highs 33-30. Mostly cloudy with rain and snow Tuesday (Christmas Day), and Tuesday night, rain and snow likely (60%) Wednesday and Wednesday night, mostly cloudy with a good (50%) chance snow showers Thursday and Thursday night, then mostly cloudy with a (30%) chance of snow showers Friday snow level 3,500 ft. Wednesday, at the surface Wednesday night and Thursday, then 2,500 ft. Thursday night and Friday highs 32-29 lows 29-24.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is my weekly weather quiz question. Today is your last chance to win this week. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

Another upper level trough of low pressure is moving down from the Gulf of Alaska following the one that is moved away from us. A frontal system slowly moved through Oregon on Thursday. Part of that storm is moving through Northern California spinning precipitation into the area between Roseburg and Medford. That upper level low will continue hanging around keeping our weather showery. A new frontal system will be approaching the Pacific Northwest Christmas morning. Sorry, no white Christmas for the valleys only the mountains.

________________

Advisories:   A HIGH SURF ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE SOUTH CENTRAL OREGON COAST. A WINTER STORM WARNING IS IN EFFECT ABOVE 1,000 FT. UNTIL 10 AM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER STORM WATCH IS IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING ABOVE 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS. A HIGH WIND WARNING IS IN EFFECT UNTIL 7 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

_________________

The Winter Solstice was official at 3:12 AM PST today and that marked the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac. See, it was not the end of the world.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with showers today (0.25 in. of rain possible today, 0.20 in. tonight, 0.10 in. Saturday, then 0.20 Saturday night) through Saturday night, showers likely (70%) Sunday and Sunday evening, then a good (50%) chance of showers at night highs near 45 lows near 36. A mix of clouds and sun with a good (50%) chance of showers Monday, a (40%) chance of rain at night, a good (50%) chance of rain Tuesday (Christmas Day), rain likely (70%) Tuesday night and Wednesday, then mostly cloudy with a good (50%) chance of showers Wednesday night and Thursday highs 43-46 lows near 39. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers this today (0.25 in. of rain possible, 2-3 in. of snow possible, snow level 1,500 ft. rising to 2,000 ft.), showers this evening, rain and snow, possibly heavy at times, late tonight (0.35 in. of rain possible, 1 in. of snow possible, snow level 2,500 ft. rising to 3,000 ft. late), rain and snow showers Saturday (under 0.10 in. of rain possible, snow level 2,000 ft.), rain and snow Saturday night (snow level 2,500 ft. falling to 2,000 ft), rain and snow likely (60%) Sunday AM, rain and snow in the afternoon and evening, then rain and snow likely (60%) late Sunday night highs near 47  lows 38-35. Mostly cloudy with a good (50%) chance of rain and snow showers Monday, a slight (20%) chance of rain and snow Monday night, AM rain and snow likely (60%), rain likely (60%) Tuesday (Christmas Day), rain likely (60%) Tuesday night and Wednesday, showers likely (60%) Wednesday night, then rain and snow showers likely (60%) Thursday highs 43-50 lows 36-42. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  showers this today (0.25 in. of rain possible), evening showers, rain late tonight (o.35 in. possible), showers Saturday, then rain Saturday night ( 0.15 in. of rain possible), mostly cloudy with rain Sunday and Sunday evening, then showers likely (70%) Sunday night highs near 50 lows 40-36. Mostly cloudy with showers likely (60%) Monday, a (40%) chance of rain Monday night, cloudy with rain likely (60%) Tuesday (Christmas Day), rain likely (70%) Tuesday night and Wednesday, then mostly cloudy with showers likely (70%) Wednesday night and Thursday highs 48-52 lows 39-43. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with AM snow showers, rain and snow showers this afternoon (0.25 in. of rain possible, 2-4 in. of snow possible), rain and snow showers (3-5 in. of snow possible) tonight, rain and snow showers Saturday (0.25 in. of rain possible, 1-3 in. of snow possible), rain and snow showers Saturday night, mostly cloudy with rain and snow showers Saturday night, then snow showers likely (60%) Sunday and Sunday night snow level at the surface today, 3,000 ft. tonight, 2,500 ft. Saturday through Sunday, then at the surface Sunday night highs near 33 lows near 25. Mostly cloudy with a good (50%) chance of snow showers Monday, a (40%) chance of snow Monday night, mostly cloudy with a good (50%) chance of rain and snow Tuesday (Christmas Day), mostly cloudy with a good (50%) chance of rain and snow Tuesday night, rain and snow likely (60%) Wednesday, rain and snow showers likely (60%) Wednesday, showers likely (60%) Wednesday night, then mostly cloudy with a good (50%) chance of rain and snow showers Thursday snow level at the surface Monday, 2,500 ft. Monday night, 3,000 ft. Tuesday, 4,000 ft. Tuesday night, 5,000 ft. Wednesday, then 4,000 ft. Wednesday night and Thursday highs 27-35 cooling to near 30 Thursday lows 26-29.

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is my weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

Another upper level trough of low pressure is moving down from the Gulf of Alaska following the one that is moved away from us. A warm front (shown in red) pushed through raising temperatures a bit and raising the snow levels above the valley floor. It is followed by a cold front that moved through the Pacific Northwest. For skiers Mt. Ashland, Hoodoo and Willamette Pass are all open.

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Advisories:  A HIGH SURF ADVISORY IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE NORTH AND CENTRAL OREGON COAST. A HIGH SURF ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE SOUTH CENTRAL OREGON COAST. A WINTER STORM WARNING IS IN EFFECT ABOVE 1,000 FT. UNTIL 10 AM FRIDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM TODAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 7 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

A FLOOD WATCH IS IN EFFECT THROUGH THIS  EVENING FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF OREGON, AND THE SOUTH WILLAMETTE VALLEY.

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The Winter Solstice takes place at 3:12 AM PST tomorrow and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac. And NO, in my opinion, I don’t think it will trigger the end of the world.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with showers tonight (0.25 in. of rain possible), showers Friday (0.25 in. of rain possible Friday, 0.20 in. Friday night, 0.10 in. Saturday, then 0.20 Saturday night) through Saturday night, then showers likely (70%) Sunday and Sunday night lows near 36 highs near 45. Mostly cloudy with showers likely (60%) Monday, a (40%) chance of showers at night, a good (50%) chance of showers Tuesday (Christmas Day), rain likely (70%) Tuesday night and Wednesday, then mostly cloudy with a good (50%) chance of showers Wednesday night and Thursday highs 43-46 lows near 39. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow tonight (0.15 in. of rain possible, snow level 1,000 ft. rising to 1,500 ft. late), AM rain and snow, rain and snow showers Friday afternoon (0.25 in. of rain possible, 2-3 in. of snow possible, snow level 2,500 ft. ), rain and snow in the evening, rain and snow showers late Friday night (0.35 in. of rain possible, snow level 2,500 ft. rising to 3,000 ft. late), rain and snow Saturday AM, rain and snow likely (70%) in the afternoon (under 0.10 in. of rain possible, snow level 2,000 ft.), rain and snow Saturday night (snow level 2,000 ft), rain and snow showers likely (60%) Sunday AM, rain and snow likely (70%) in the afternoon, rain and snow showers in the evening, then rain and snow showers likely (60%) late Sunday night  lows 38-35 highs near 47. Mostly cloudy with rain and snow showers likely (70%) Monday, a slight (20%) chance of rain and snow Monday night, AM rain and snow likely (60%), rain likely (60%) Tuesday (Christmas Day), rain likely (60%) Tuesday night and Wednesday, showers likely (60%) Wednesday night, then rain and snow showers likely (60%) Thursday highs 43-50 lows 36-42. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  coastal rain tonight while rain and snow this evening and rain late tonight inland (0.15 in. of rain possible, evening snow level 1,500 ft. rising to 2,000 ft.), rain Friday AM, showers in the afternoon (0.25 in. of rain possible, snow level 2,000 ft.), evening rain, showers late Friday night (o.35 in. possible) and breezy (wind: S 15-25 mph at the beaches and S 10-20 mph inland, gusts to 40 mph late afternoon and evening), rain Saturday and Saturday night ( 0.15 in. of rain possible, snow level 2,000 ft.), mostly cloudy with showers Sunday, then showers likely (70%) Sunday night lows 40-36 highs near 50. Mostly cloudy with showers likely (60%) Monday, a (40%) chance of rain Monday night, cloudy with rain likely (60%) Tuesday (Christmas Day), rain likely (70%) Tuesday night and Wednesday, then mostly cloudy with showers likely (70%) Wednesday night and Thursday highs 48-52 lows 39-43. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers tonight (0.25 in. of rain possible, 1-3 in. of rain possible), AM snow showers, rain and snow showers Friday afternoon (0.25 in. of rain possible, 2-4 in. of snow possible), rain and snow showers (2-5 in. of snow possible) Friday night and breezy (wind: SE 10-15 mph gusts to 30 mph shifting to S 15-25 mph gusts to 40 mph late at night), rain and snow showers Saturday, snow showers Saturday night, then mostly cloudy with snow showers likely (60%) Saturday night and Sunday snow level at the surface tonight and Friday, 3,000 ft. Friday night, 2,500 ft. Saturday trough Sunday, then at the surface Sunday night lows near 25 highs near 33. Mostly cloudy with snow showers likely (60%) Monday, a (40%) chance of snow Monday night, mostly cloudy with a good (50%) chance of rain and snow Tuesday (Christmas Day), mostly cloudy with a good (50%) chance of rain and snow Tuesday night, rain and snow likely (60%) Wednesday, rain and snow showers likely (60%) Wednesday, showers likely (60%) Wednesday night, then mostly cloudy with a good (50%) chance of rain and snow showers Thursday snow level at the surface Monday, 2,500 ft. Monday night, 3,000 ft. Tuesday, 4,000 ft. Tuesday night, 5,000 ft. Wednesday, then 4,000 ft. Wednesday night and Thursday highs 27-35 cooling to near 30 Thursday lows 26-29.

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is my weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

Another upper level trough of low pressure is moving down from the Gulf of Alaska following the one that is moved away from us. A warm front (shown in red) pushed through raising temperatures a bit and raising the snow levels above the valley floor. It is followed by a cold front that is moving through now. For skiers Mt. Ashland, Hoodoo and Willamette Pass are all open.

________________

Advisories:  A HIGH SURF ADVISORY IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF WESTERN OREGON.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR  THE NORTH OREGON CASCADES AND THE CASCADES IN LANE COUNTY. A HIGH SURF ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY ABOVE 2,500 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY.  A HIGH WIND WARNING IS IN EFFECT UNTIL 1 PM TODAY FOR JACKSON COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM TODAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS.  A WIND ADVISORY IS IN EFFECT UNTIL 7 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

A FLOOD WARNING IS IN EFFECT FOR THE NEHALEM RIVER NEAR FOSS AFFECTING CLATSOP AND TILLIMOOK COUNTY. FOR MORE DETAILS SEE FLOOD WARNING PAGE OF THE NATIONAL WEATHER FORECAST OFFICE IN PORTLAND.

A FLOOD WATCH IS IN EFFECT THROUGH THIS  EVENING FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF OREGON, AND THE SOUTH WILLAMETTE VALLEY.

_________________

The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain, possibly heavy at times, until mid this afternoon (0.75in. of rain possible) and breezy (wind: S 15-25 mph decreasing to S 10-15 mph this afternoon), showers tonight (0.25 in. of rain possible), showers Friday (0.15 in. of rain possible) through Saturday, then rain likely (70%) Saturday night highs 43-45 lows 36-38. Mostly cloudy with showers likely (60%) Sunday through Monday, a good (50%) chance of showers Monday night and Tuesday (Christmas Day), then mostly cloudy with a good (50%) chance of showers Tuesday night and Wednesday highs 43-46 lows 35-40. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with AM rain, snow and scattered thunderstorms, rain and snow this afternoon (0.65 in. of rain possible, 4-6 in. of snow possible, snow level 2,000 ft.), rain and snow showers tonight (0.15 in. of rain possible, snow level 2,000 ft. rising to 2,500 ft. late), AM rain and snow showers, rain and snow showers likely (60%) Friday afternoon (0.25 in. of rain possible, 2-3 in. of snow possible, snow level 2,500 ft. ), rain and snow showers Friday night (0.35 in. of rain possible, snow level 2,500 ft. rising to 3,000 ft. late), rain and snow showers Saturday AM, rain and snow showers likely (60%) in the afternoon (under 0.10 in. of rain possible), then rain and snow Saturday night highs 42-46 lows 35-40 cooling to 36 Saturday night. Mostly cloudy with rain and snow showers likely (60%) Sunday AM, rain and snow likely (60%) in the afternoon, rain and snow showers Sunday night, rain and snow showers likely (70%) Monday, a slight (20%) chance of rain and snow showers Monday night, mostly cloudy with a good (50%) chance of rain Tuesday (Christmas Day), a (40%) chance of rain Tuesday night, then mostly cloudy with rain likely (60%) Wednesday highs 40-48 lows 36-40. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  rain and scattered thunderstorms this AM, rain this afternoon (0.60 in. of rain possible, snow level 2,000 ft.) and windy (wind: S 20-30 mph decreasing to S 10-20 by late AM into the afternoon), showers tonight (0.35 in. of rain possible, evening snow level 2,000 ft.), mostly cloudy with showers Friday through Saturday (0.10 in. of rain possible Friday, o.60 in. possible at night, 0.10 in. of rain possible Saturday), then mostly cloudy with rain Saturday night highs near 48 lows 37-40. Mostly cloudy with showers likely (60%) Sunday AM, rain likely (70%) in the afternoon, showers at night, showers likely (70%) Monday, a (40%) chance of showers Monday night, cloudy with a good (50%) chance of rain Tuesday (Christmas Day) and Tuesday night, then mostly cloudy with rain likely (60%) Wednesday highs 46-50 lows 39-45. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with rain or snow this AM, snow  (0.50 in. of rain possible, 2-5 in. of snow possible) this afternoon and windy (wind: S 20-30 mph gusts to 60 decreasing to 45 in the afternoon), rain and snow showers tonight (0.25 in. of rain possible, 1-3 in. of rain possible), AM snow showers, rain and snow showers Friday afternoon (0.25 in. of rain possible, 1-4 in. of snow possible), rain and snow showers Friday night and breezy (wind: SE 10-15 mph gusts to 30 mph shifting to S 15-25 mph gusts to 40 mph late at night), mostly cloudy with snow showers Saturday, then snow likely (60%) Saturday night snow level 2,500 ft. today, at the surface tonight, 2,500 ft. Friday, 3,000 ft.  Friday night, at the surface Saturday, then 2,500 ft. Saturday night highs 29-33 cooling to near 30 Saturday lows 25-28. Mostly cloudy with rain and snow showers likely (60%) Sunday and Sunday night, snow showers likely (60%) Monday, a good (50%) chance of snow showers Monday night, mostly cloudy with a good (50%) chance of rain and snow Tuesday (Christmas Day), then mostly cloudy with a good (50%) chance of rain and snow Tuesday night and Wednesday snow level 2,500 ft. Sunday through Tuesday, 4,000 ft. Tuesday night, then 5,000 ft. Wednesday highs 32-27 Monday and warming to 35 Wednesday lows 25-30.

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is my weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

Another upper level trough of low pressure is moving down from the Gulf of Alaska following the one that is moving away from us. A warm front (shown in red) is moving through raising temperatures a bit and raising the snow levels well above the valley floor. It will be followed by a cold front that will push in late tonight and Thursday. For skiers Mt. Ashland, Hoodoo and Willamette Pass are all open.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE NORTH OREGON COAST AND UNTIL 1 AM THURSDAY FOR THE CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 8 PM TONIGHT UNTIL 4 PM THURSDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF WESTERN OREGON. A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM THURSDAY FOR THE WESTERN COLUMBIA RIVER GORGE. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM THURSDAY FOR  THE NORTH OREGON CASCADES (NOT INCLUDING THE CASCADES IN LANE COUNTY), AND THE UPPER HOOD RIVER VALLEY. A HIGH WIND WARNING IS IN EFFECT UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY JUST ABOVE 1,500 FT. FOR CENTRAL DOUGLAS COUNTY, AND FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS. A WINTER STORM WARNING IS IN EFFECT FROM 10 PM TONIGHT UNTIL 3 PM FRIDAY ABOVE 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS AND BELOW 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY. A WINTER STORM WATCH IS IN EFFECT FROM LATE TONIGHT UNTIL LATE THURSDAY NIGHT FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES.  A HIGH WIND WARNING IS IN EFFECT UNTIL 1 AM THURSDAY FOR JACKSON COUNTY. A HIGH WIND WARNING IS IN EFFECT FROM 7 PM TONIGHT UNTIL 2 PM THURSDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

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The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain, possibly heavy at times, tonight (1.00 in. of rain possible) and windy (wind: S 20-30 mph), mostly cloudy with AM rain or snow, possibly heavy at times, rain Thursday afternoon (1.00 in. of rain possible, 1 in. of snow possible in the higher hills), showers Thursday night (0.25 in. of rain possible), showers Friday (0.25 in. of rain possible) through Saturday, then showers likely (70%) Saturday night lows 33-38 highs 43-45. Mostly cloudy with showers likely (60%) Sunday through Monday, showers likely (60%) Monday night, a good (50%) chance of rain Tuesday (Christmas Day) and Tuesday night and Wednesday highs 43-46 lows 35-40. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain tonight (0.25 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late) and windy (wind: S 20-30 mph gusts to 45 mph), AM rain, rain and snow Thursday afternoon (0.65 in. of rain possible, 4-6 in. of snow possible, snow level 3,500 ft. falling to 1,500 ft.) and breezy (wind: S 15-25 mph gusts to 40 mph shifting to SE 10-15 mph late AM and afternoon), rain and snow showers Thursday night (0.25 in. of rain possible), AM rain and snow showers, rain and snow showers likely (60%) Friday afternoon (0.20 in. of rain possible, snow level 2,000 ft. falling to 1,500 ft. in  the afternoon), rain and snow showers in the evening, rain and snow showers late Friday night (0.45 in. of rain possible, snow level 2,500 ft. rising to 3,000 ft. late), rain and snow showers Saturday, then rain and snow Saturday night lows 37-42 highs 45-42. Mostly cloudy with rain and snow likely (60%) Sunday, rain and snow showers at night, rain and snow showers likely (70%) Monday, a slight (20%) chance of rain and snow showers Monday night, mostly cloudy with a (40%) chance of rain Tuesday (Christmas Day), a (40%) chance of rain Tuesday night, then mostly cloudy with rain likely (60%) Wednesday highs 42-48 lows 36-40. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  rain (1.40 in. of rain possible) tonight and very windy (wind: S 30-45 mph decreasing to S 25-35 mph late at the shore while S 25-35 mph inland), rain Thursday (1.40 in. of rain possible) and windy (wind: S 20-30 mph decreasing to S 10-20 by late AM into the afternoon), showers Thursday night (0.25 in. of rain possible, evening snow level 2,000 ft.), mostly cloudy with AM showers, showers likely (70%) Friday afternoon (0.30 in. of rain possible, snow level 2,000 ft.), showers Friday night (0.30 in. of rain possible) and Saturday, rain at night, then mostly cloudy with rain Saturday night lows 40-36 warming to 42 Saturday night highs near 46. Mostly cloudy with rain likely (60%) Sunday, showers at night, showers likely (70%) Monday, a (40%) chance of showers Monday night, cloudy with rain likely (60%) Tuesday (Christmas Day), cloudy with a good (50%) chance of rain Tuesday night, then mostly cloudy with rain likely (60%) Wednesday highs 46-50 lows 39-45. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with rain or snow (0.25 in. of rain possible, 1-4 in. of snow possible) tonight and windy (wind: S 20-30 mph gusts to 60 mph, AM rain and snow, snow (0.75 in. of rain possible, 3-8 in. of snow possible) Thursday afternoon and windy (wind: S 20-30 mph gusts to 55 decreasing to 45 in the afternoon, rain and snow showers Thursday night (0.25 in. of rain possible, 1-2 in. of rain possible), rain and snow showers likely (60%) Friday, rain and snow showers Friday night and breezy (wind: SE 10-15 mph gusts to 30 mph shifting to S 15-25 mph gusts to 40 mph late at night), mostly cloudy with snow showers Saturday, then snow likely (60%) Saturday night snow level 3,000 ft. tonight, at the surface Thursday, 2,500 ft. Thursday night, 3,000 ft. Friday and Friday night, at the surface Saturday, then 2,500 ft. Saturday night lows 25-30 highs 30-33 cooling to near 30 Saturday. Mostly cloudy with rain and snow showers likely (60%) Sunday and Sunday night, snow showers likely (60%) Monday, a good (50%) chance of snow Monday night, mostly cloudy with a good (50%) chance of rain and snow Tuesday (Christmas Day), then mostly cloudy with a good (50%) chance of rain and snow Tuesday night and Wednesday snow level 2,500 ft. Sunday through Tuesday, 4,000 ft. Tuesday night, then 5,000 ft. Wednesday highs 32-27 Monday and warming to 35 Wednesday lows 28-35.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is my weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

Another upper level trough of low pressure is moving down from the Gulf of Alaska following the one that is moving away from us. A warm front (shown in red) is moving through raising temperatures a bit and raining the snow levels well above the valley floor. It will be followed by a cold front that will push in late tonight and Thursday. For skiers Mt. Ashland and Hoodoo are open and Willamette Pass opened their season today.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE NORTHWEST OREGON COAST NEAR THE COLUMBIA GORGE, AND THE CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT 10 AM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON. A WINTER STORM WARNING IS IN EFFECT UNTIL 6 PM TODAY FOR THE WESTERN COLUMBIA RIVER GORGE, UNTIL 4 PM TODAY FOR THE NORTH CASCADE FOOTHILLS. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 AM THURSDAY FOR  THE NORTH OREGON CASCADES (NOT INCLUDING THE CASCADES IN LANE COUNTY). A WINTER WEATHER ADVISORY IS IN EFFECT 6 PM TONIGHT FOR THE UPPER HOOD RIVER VALLEY. A HIGH WIND WARNING IS IN EFFECT FROM 10 AM TODAY UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT FROM 10 AM TODAY UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY ABOVE 1,500 FT. FOR CENTRAL DOUGLAS COUNTY, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS. A WINTER STORM WARNING IS IN EFFECT FROM 10 PM TONIGHT UNTIL 3 PM FRIDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS AND BELOW 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY. A WINTER STORM WATCH IS IN EFFECT FROM LATE TONIGHT UNTIL LATE THURSDAY NIGHT FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES.  A HIGH WIND WARNING IS IN EFFECT FROM 7 PM TONIGHT UNTIL 2 PM THURSDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

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The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain, possibly mixed with snow early this AM, rain in the afternoon (0.50 in. of rain possible) today and windy (wind: S 20-30 mph), rain tonight (0.75 in. of rain possible) and windy (wind: S 20-30 mph), mostly cloudy with rain Thursday (0.50 in. of rain possible), showers Thursday night, showers likely (70%) Friday,  then rain Friday night highs 45-42 warming to 45 Friday lows 35-38. Mostly cloudy with rain Saturday, showers likely (60%) Saturday night and Sunday, a good (50%) chance of showers Sunday night and Monday, then mostly cloudy with a (40%) chance of showers Monday night and Tuesday (Christmas Day) highs near 45 lows near 38. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow today (under 0.10 in. of rain possible, snow level 500 ft. rising to 2,500 ft. in the afternoon) and windy (wind: S 20-30 mph), rain tonight (0.25 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late) and windy (wind: S 20-30 mph), rain and snow Thursday (0.55 in. of rain possible, snow level 600 ft.),  rain and snow showers Thursday night (snow level 800 ft.), mostly cloudy with rain and snow showers Friday and Friday night lows 33-39 cooling to 34 Thursday night warming to 39 Friday night highs 48-42. Mostly cloudy with rain and snow Saturday and Saturday night, rain and snow showers likely (60%) Sunday through Monday, a good (50%) chance of rain and snow Monday night, then mostly cloudy with a (40%) chance of rain and snow showers Tuesday (Christmas Day) highs near 44 lows near 36. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  rain (under 0.10 in. of rain possible) today and very windy (wind: S 30-45 mph at the shore, S 25-35 mph inland), rain tonight (1.30 in. of rain possible) and very windy (wind: S 35-45 mph at the shore, S 25-35 mph inland), coastal rain with rain and snow inland Thursday (0.60 in. of rain possible, snow level 1,500 ft.) and breezy (wind: S 15-25 mph),  coastal showers with rain and snow showers inland Thursday night (snow level 1,500 ft.) and breezy (wind: S 15-25 mph at the beaches and S 10-15 mph inland), then mostly cloudy with showers Friday and Friday night highs 50-45 lows near 38. Mostly cloudy with rain Saturday, and Saturday night, showers Sunday, showers likely (70%) at night and Monday, rain likely (60%) Monday night, then mostly cloudy with a good (50%) chance of showers Tuesday (Christmas Day) highs near 48 lows 38-45. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Cloudy with AM snow, rain and snow this afternoon (0.25 in. of rain possible, 1-3 in. of snow possible), rain and snow (0.25 in. of rain possible, 2-5 in. of snow possible) tonight and windy (wind: S 20-30 mph gusts to 50 mph, AM rain and snow, snow  (6-12 in. of snow possible) Thursday afternoon and breezy, rain and snow showers Thursday night, rain and snow showers likely (60%) Friday, then snow Friday night snow level at the surface today, 4,000 ft. tonight, then at the surface Thursday through Friday night highs 32-29 rising to 34 Thursday lows 25-22. Mostly cloudy with snow Saturday, snow showers likely (60%) Saturday night and Sunday, a good (50%) chance of snow showers Sunday night and Monday, a good (50%) chance of rain and snow showers Monday night, then mostly cloudy with a good (50%) chance of snow showers Tuesday (Christmas Day) snow level at the surface Saturday, and Saturday night, 2,500 ft. Sunday, at the surface Sunday night and Monday, 2,500 ft. Monday night, then at the surface Tuesday highs 30-33 cooling to 27 Monday and warming to 34 Tuesday lows near 27.

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is new weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

An upper level trough of low pressure is moving down from the Gulf of Alaska bringing cold air with it. A warm front (shown way offshore) will move in late tonight and early Wednesday AM followed by a cold front that will push in late Wednesday night and Thursday.  For skiers Mt. Ashland and Hoodoo are open and Willamette Pass plans to open their season Wednesday.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 6 AM UNTIL 10 AM WEDNESDAY NEART THE COLUMBIA GORGE AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 AM UNTIL 9 AM WEDNESDAY FOR THE COAST RANGE OF NORTHWEST OREGON. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 2 AM UNTIL 10 AM WEDNESDAY FOR THE NORTHERN WILLAMETTE VALLEY. A WINTER STORM WARNING IS IN EFFECT FROM 4 AM UNTIL 6 PM WEDNESDAY FOR THE WESTERN COLUMBIA RIVER GORGE,  THE NORTH CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS OF LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM UNTIL 4 PM WEDNESDAY FOR  THE NORTH OREGON CASCADE FOOTHILLS.  A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 8 AM THURSDAY FOR THE NORTH OREGON CASCADES (NOT INCLUDING THE CASCADES IN LANE COUNTY) AND THE UPPER HOOD RIVER VALLEY. A HIGH WIND WARNING IS IN EFFECT FROM 10 AM WEDNESDAY UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT FROM 10 AM WEDNESDAY UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY ABOVE 1,000 FT. FOR CENTRAL DOUGLAS COUNTY. A WINTER STORM WARNING IS IN EFFECT FROM 10 PM WEDNESDAY UNTIL 4 AM FRIDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY BELOW 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY. A WINTER STORM WATCH IS IN EFFECT FROM LATE WEDNESDAY NIGHT UNTIL LATE THURSDAY NIGHT FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES.  A HIGH WIND WARNING IS IN EFFECT FROM 10 PM WEDNESDAY UNTIL 2 PM THURSDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 4 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT FROM 7 PM WEDNESDAY UNTIL 7 AM THURSDAY FOR JACKSON COUNTY.

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The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with scattered showers decreasing, light rain or snow late tonight (0.10 in. of rain possible), rain, snow, or a mixture of both early Wednesday AM, rain in the afternoon (0.75 in. of rain possible) Wednesday and breezy (wind: S 15-25 mph), rain Wednesday night (1.00 in. of rain possible) and windy (wind: S 20-30 mph), mostly cloudy with rain Thursday (0.60 in. of rain possible) through Friday night lows 32-38 highs 45-42 warming to 45 Friday. Mostly cloudy with rain Saturday, showers likely (60%) Saturday night and Sunday, a good (50%) chance of showers Sunday night and Monday, then mostly cloudy with a (40%) chance of showers Monday night and Tuesday (Christmas Day) highs near 45 lows near 38. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers likely (60%) this evening, rain likely (60%) late tonight (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 700 ft.this evening), rain and snow Wednesday (under 0.10 in. of rain possible, snow level 500 ft. rising to 2,500 ft. in the afternoon) and windy (wind: S 20-30 mph), rain Wednesday night (0.25 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late) and windy (wind: S 20-30 mph), rain and snow Thursday (0.55 in. of rain possible, snow level 600 ft.),  rain and snow showers Thursday night (snow level 800 ft.), mostly cloudy with rain and snow showers Friday and Friday night lows 33-39 cooling to 34 Thursday night warming to 39 Friday night highs 48-42. Mostly cloudy with rain and snow Saturday and Saturday night, rain and snow showers likely (60%) Sunday through Monday, a good (50%) chance of rain and snow Monday night, then mostly cloudy with a (40%) chance of rain and snow showers Tuesday (Christmas Day) highs near 44 lows near 36. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  showers likely (60%) this evening and showers late tonight at the shore, rain and snow showers likely (60%) this evening and rain and snow showers late tonight inland (0.10 in. of rain possible, 1 in. of snow possible) and breezy (wind: SW 5-10 mph increasing to SW 20-30 mph late this evening at the shore), rain (under 0.10 in. of rain possible) Wednesday and very windy (wind: S 30-45 mph at the shore, S 25-35 mph inland), rain Wednesday night (1.30 in. of rain possible) and very windy (wind: S 35-45 mph at the shore, S 25-35 mph inland), coastal rain with rain and snow inland Thursday (0.60 in. of rain possible, snow level 1,500 ft.) and breezy (wind: S 15-25 mph),  coastal showers with rain and snow showers inland Thursday night (snow level 1,500 ft.) and breezy (wind: S 15-25 mph at the beaches and S 10-15 mph inland), then mostly cloudy with showers Friday and Friday night lows near 38 highs 50-45. Mostly cloudy with rain Saturday, and Saturday night, showers Sunday, showers likely (70%) at night and Monday, rain likely (60%) Monday night, then mostly cloudy with a good (50%) chance of showers Tuesday (Christmas Day) highs near 48 lows 38-45. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Cloudy with snow showers decreasing, occasional snow late tonight (2 in. of snow possible), AM snow, rain and snow Wednesday afternoon (0.25 in. of rain possible, 3-6 in. of snow possible), rain (0.25 in. of rain possible, 3-7 in. of snow possible) Wednesday night, snow Thursday and Thursday night, snow likely (60%) Friday, then snow Friday night snow level at the surface tonight, 3,000 ft. Wednesday, 4,000 ft. Wednesday night (0.25 in. of rain possible, 3-7 in. of snow possible), then at the surface Thursday through Friday night lows 16-25 highs 28-32. Mostly cloudy with snow Saturday, snow showers likely (60%) Saturday night and Sunday, a good (50%) chance of snow showers Sunday night and Monday, a good (50%) chance of rain and snow showers Monday night, then mostly cloudy with a good (50%) chance of snow showers Tuesday (Christmas Day) snow level at the surface Saturday, and Saturday night, 2,500 ft. Sunday, at the surface Sunday night and Monday, 2,500 ft. Monday night, then at the surface Tuesday highs 30-33 cooling to 27 Monday and warming to 34 Tuesday lows near 27.

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

______________

________________

Here is new weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

An upper level trough of low pressure is moving down from the Gulf of Alaska bringing cold air with it.  A frontal system will approach the Pacific Coast Thursday (position shown is Friday) increasing rain and snow chances again. For skiers Mt. Ashland and Hoodoo are open and Willamette Pass plans to open their season Wednesday.

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Advisories:  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF NORTHWEST OREGON, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS OF LANE COUNTY. A WINTER STORM WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING FOR THE COAST RANGE OF NORTHWEST OREGON AND THE UPPER HOOD RIVER VALLEY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR THE NORTH WILLAMETTE VALLEY, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, AND THE WESTERN COLUMBIA RIVER GORGE.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY ABOVE 500 FT. FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.   A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY. A HIGH WIND WARNING IS IN EFFECT FROM 7 AM WEDNESDAY THROUGH 4 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.

________________

The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain and snow showers today (0.10 in. of rain possible, 2 in. of snow possible mainly in the hills, but some accumulation on the valley floor), cloudy with a good (50%) chance of rain and snow showers this evening, rain and snow likely (60%) late tonight (0.10 in. of rain possible, 1 in. of snow possible), rain (0.50 in. of rain possible) AM snow level 1,000 ft.) Wednesday and windy (wind: S 20-30 mph), mostly cloudy with rain Wednesday night (1.30 in. of rain possible) and windy (wind: S 20-30 mph), then mostly cloudy with rain Thursday and Thursday night highs 38-46 cooling to near 40 Thursday lows 32-37. Mostly cloudy with rain likely (60%) Friday, showers Friday night, rain Saturday, then mostly cloudy with showers likely (60%) Saturday night through Monday highs near 45 lows near 39. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers today (1-2 in. of snow possible lower elevations and 2-3 in. above 1,500 ft., snow level 400 ft. rising to 1,000 ft. this afternoon), cloudy with a (40%) chance of rain and snow showers this evening, a good (50%) chance of rain and snow late tonight (1 in. of snow possible, snow level 900 ft.), rain and snow Wednesday (snow level 500 ft. rising to 2,000 ft. in the afternoon), rain and snow in the afternoon, rain and snow, heavy at times, Wednesday night (snow level 3,000 ft. falling to 1,500 ft. late), rain and snow Thursday (snow level 800 ft. rising to 2,500 ft. in the afternoon) and Thursday night highs 39-42 lows 33-36. Mostly cloudy with rain and snow Friday, rain and snow showers Friday night, rain and snow Saturday AM, rain in the afternoon, rain and snow showers at night, rain and snow showers likely (60%) Sunday and Sunday night, then mostly cloudy with a (40%) chance of rain and snow showers Monday highs near 44 lows near 36. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  showers with a slight (20%) chance of thunderstorms at the shore today while snow showers and a slight (20%) chance of thunderstorms inland (0.30 in. of rain possible, 2-3 in. of snow possible, snow level 500 ft rising to 1,500 ft. this afternoon), cloudy with showers this evening and rain late tonight at the shore with a good (50%) chance of evening rain and snow showers inland and rain and snow likely (60%) late tonight (snow level 1,500 ft.), mostly cloudy with coastal rain while rain and snow Wednesday AM inland with afternoon rain (1.10 in. of rain possible, AM snow level 1,000 ft.) and windy (wind: S 20-30 mph at the shore, S 10-20 mph inland, afternoon gusts to 45 mph), then rain Wednesday night (1.75 in. of rain possible, snow level 1,500 ft.) through Thursday night highs near 45 lows near 40. Mostly cloudy with rain Friday, showers Friday night, rain Saturday, showers Saturday night, showers likely (70%) Sunday and Sunday night, then mostly cloudy with a good (50%) chance of showers Monday highs near 48 lows 42-38. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers today (2-4 in. of snow possible), cloudy with a good (50%) chance of snow showers this evening, snow likely (60%) late tonight (2 in. of snow possible), snow Wednesday and windy (wind: S 20-30 mph gusts to 45 mph), then rain and snow in the evening, snow late Wednesday night and windy (wind: S 20-30 mph gusts to 45 mph), then snow Thursday and Thursday night snow level at the surface today through Wednesday, 3,500 ft. Wednesday night, at the surface Thursday and Thursday night highs 22-32 lows 19-26. Mostly cloudy with snow Friday, rain and snow showers likely (60%) Friday night, rain and snow Saturday, rain and snow showers likely (60%) Saturday night and Sunday, then snow showers likely (60%) Sunday night and Monday snow level at the surface Friday, 2,500 ft. Friday night, 3,000 ft. Saturday, 3,500 ft. Saturday night, 2,500 ft. Sunday and Sunday night, then at the surface Monday highs 30-33 cooling to 27 Monday lows 25-30 cooling to 26 Monday night.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

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Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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Here is new weekly weather quiz question. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

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A high pressure ridge (shaded “Arch” shape) has flattened which means our airflow is now moving from west to east (called zonal flow) and low pressure is moving down from the Gulf of Alaska.  A frontal system has moved through oregon carrying more moisture to us and colder air behind it. This frontal system will approach the Pacific Coast Thursday increasing rain chances again. For skiers Mt. Ashland and Hoodoo are open and Willamette Pass plans to open their season Wednesday.

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Advisories: A HIGH SURF ADVISORY IS IN EFFECT UNTIL 9 PM THIS EVENING FOR THE NORTH AND CENTRAL OREGON COAST.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TUESDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF NORTHWEST OREGON, THE NORTH CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS OF LANE COUNTY, AND THE NORTH OREGON CASCADES AND THE CASCADES OF LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 11 AM TUESDAY FOR THE NORTH WILLAMETTE VALLEY, THE CENTRAL WILLAMETTE VALLEY , AND THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE. A HIGH SURF ADVISORY IS IN EFFECT UNTIL 8 PM THIS EVENING FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 8 PM THIS EVENING UNTIL UNTIL 4 PM TUESDAY ABOVE 1,000 FT. FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY. A HIGH WIND WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.

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The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain and snow showers and colder late tonight (0.10 in. of rain possible, 1 in. of snow possible mainly in the hills), rain and snow showers Tuesday (0.10 in. of rain possible, 2 in. of snow possible mainly in the hills), cloudy with a good (50%) chance of rain and snow showers in the evening, rain and snow likely (60%) late Tuesday night (0.10 in. of rain possible), AM rain and snow, rain (AM snow level 1,000 ft.) Wednesday afternoon (0.50 in. of rain possible) and windy (wind: S 15-20 mph increasing to S 20-30 mph in the afternoon, mostly cloudy with rain Wednesday night (1.30 in. of rain possible) and windy (wind: S 15-20 mph increasing to S 20-30 mph in the afternoon), rain, heavy at times at night, and windy (wind: S 20-30 mph), then mostly cloudy with rain Thursday and Thursday night lows 30-37 highs 38-46 cooling to near 40 Thursday. Mostly cloudy with rain likely (60%) Friday, showers Friday night, rain Saturday, then mostly cloudy with showers likely (60%) Saturday night through Monday highs near 45 lows near 39. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers and colder tonight (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 500 ft.), rain and snow showers Tuesday (1-2 in. of snow possible, snow level 500 ft.), cloudy with a (40%) chance of rain and snow showers in the evening, a good (50%) chance of rain and snow late Tuesday night (1 in. of snow possible, snow level 600 ft.), rain and snow Wednesday (snow level 800 ft. rising to 2,000 ft. in the afternoon), rain and snow in the afternoon (snow level 400 ft. rising to 2,000 ft. in the afternoon), rain and snow, heavy at times, Wednesday night (snow level 2,500 ft.), rain and snow Thursday and Thursday night lows 30-36 highs 39-42. Mostly cloudy with rain and snow Friday, rain and snow showers Friday night, rain and snow Saturday AM, rain in the afternoon, rain and snow showers at night, rain and snow showers likely (60%) Sunday and Sunday night, then mostly cloudy with a (40%) chance of rain and snow showers Monday highs near 44 lows near 36. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  showers and a slight (20%) chance of isolated thunderstorms at the shore tonight while rain and snow showers and a slight (20%) chance of thunderstorms inland tonight (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 700 ft.), showers with a slight (20%) chance of thunderstorms at the shore Tuesday while snow showers and a slight (20%) chance of thunderstorms inland (0.30 in. of rain possible, 1-2 in. of snow possible, snow level 900 ft), cloudy with showers in the evening and rain late at night at the shore with a good (50%) chance of evening rain and snow showers inland and rain and snow likely (60%) late Tuesday night (1 in. of snow possible, snow level 800 ft.), mostly cloudy with coastal rain while rain and snow Wednesday AM inland with afternoon rain (1.10 in. of rain possible, AM snow level 1,000 ft.) and windy (wind: S 20-30 mph at the shore, S 10-20 mph inland, afternoon gusts to 45 mph), then rain Wednesday night (1.75 in. of rain possible) through Thursday night lows near 40 highs near 45. Mostly cloudy with rain Friday, showers Friday night, rain Saturday, showers Saturday night, showers likely (70%) Sunday and Sunday night, then mostly cloudy with a good (50%) chance of showers Monday highs near 48 lows 42-38. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers (0.50 in. of rain possible, 3-6 in. of snow possible) and colder tonight, snow showers Tuesday (3-6 in. of snow possible), cloudy with a good (50%) chance of snow showers Tuesday evening, snow likely (60%) late at night (1-2 in. of snow possible), snow likely (60%) Wednesday and windy (wind: S 20-30 mph gusts to 40 mph increasing to 50 mph in the afternoon), then rain and snow in the evening, snow late Wednesday night and windy (wind: S 20-30 mph gusts to 55 mph decreasing to 45 mph late), then snow Thursday and Thursday night snow level at the surface tonight through Wednesday, 2,500 ft. Wednesday night, at the surface Thursday and Thursday night lows 19-26 highs 22-32. Mostly cloudy with snow Friday, rain and snow showers likely (60%) Friday night, rain and snow Saturday, rain and snow showers likely (60%) Saturday night and Sunday, then snow showers likely (60%) Sunday night and Monday snow level at the surface Friday, 2,500 ft. Friday night, 3,000 ft. Saturday, 3,500 ft. Saturday night, 2,500 ft. Sunday and Sunday night, then at the surface Monday highs 30-33 cooling to 27 Monday lows 25-30 cooling to 26 Monday night.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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It’s Monday and that means a new weekly weather quiz question. Here it is. What is the average ratio of melted liquid to actual snowfall? In other words how much melted snow (liquid amount) will equal a specific amount of snow? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good Luck.

________________

A high pressure ridge (shaded “Arch” shape) is flattening which means our airflow is now moving from west to east (called zonal flow).  A frontal system has moved through oregon carrying more moisture to us. This frontal system will approach the Pacific Coast Thursday increasing rain chances again. For skiers Mt. Ashland and Hoodoo are open and Willamette Pass plans to open their season Wednesday.

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Advisories: A HIGH SURF WARNING IS IN EFFECT UNTIL NOON TODAY FOR NORTH AND CENTRAL OREGON COAST.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF NORTHWEST OREGON, THE NORTH CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS OF LANE COUNTY. A WINTER STORM WARNING IS IN EFFECT UNTIL 6 PM TODAY FOR THE THE NORTH OREGON CASCADES AND THE CASCADES IN LANE COUNTY.  A WINTER STORM WATCH IS IN EFFECT FROM THIS AFTERNOON UNTIL TUESDAY AFTERNOON ABOVE 1,500 FT. FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 4 PM TUESDAY ABOVE 1,000 FT. FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL 4 PM TUESDAY ABOVE 1,500 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY.

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The Winter Solstice takes place at 3:12 AM PST Friday and that marks the official beginning of Winter and the shortest day of the year. For more detail see The Old Farmer’s Almanac.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with showers today (0.25 in. of rain possible) and breezy (W  15-25 mph), showers this evening, rain and snow showers and colder tonight (0.15 in. of rain possible, 1 in. of snow possible, snow level 1,000 ft.), rain and snow showers Tuesday (0.10 in. of rain possible, 1 in. of snow possible above 500 ft.), mostly cloudy with a good (50%) chance of rain and snow showers in the evening, rain and snow likely (60%) late Tuesday night, rain likely (60%) Wednesday, then mostly cloudy with rain Wednesday night highs 43-40 warming to 45 Wednesday and windy (wind: S 15-20 mph increasing to S 20-30 mph in the afternoon) lows 40-34. Mostly cloudy with rain Thursday through Friday, showers Friday night and Saturday, then mostly cloudy with showers likely (60%) Saturday night and Sunday highs 44-48 lows near 39. (seasonal averages high 45 low 33)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers and a slight (20%) chance of thunderstorms this afternoon (snow level 2,000 ft. , 0.20 in. of rain possible, 1 in. of snow possible), rain and snow showers and colder tonight with a slight (20%) chance of thunderstorms (0.10 in. of rain possible, 1-2 in. of snow possible above 1,500 ft.), AM snow, rain and snow showers Tuesday afternoon (1 in. of snow possible, snow level 400 ft.), cloudy with a (40%) chance of rain and snow showers Tuesday night (snow level 600 ft.), rain and snow likely (60%) Wednesday AM, rain and snow in the afternoon (snow level 400 ft. rising to 2,000 ft. in the afternoon), then rain Wednesday night lows 38-42 cooling to 30 Tuesday night highs 46-38. Mostly cloudy with rain and snow Thursday through Friday, rain and snow showers at night, rain Saturday, showers in the evening, rain and snow showers late Saturday night, then rain and snow showers likely (60%) Sunday highs 42-45 lows 38-36. (seasonal averages high 47 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  showers and a slight (20%) chance of thunderstorms at the shore today, mostly cloudy with coastal showers and a slight (20%) chance of thunderstorms tonight while snow showers and a slight (20%) chance of thunderstorms inland tonight (0.30 in. of rain possible, 1-2 in. of snow possible, snow level 1,500 ft. falling to 900 ft. late at night), snow showers with a slight (20%) chance of AM thunderstorms, then showers in  the afternoon with rain and snow showers inland Tuesday (1 in. of snow possible, snow level 800 ft.), evening coastal showers likely (60%) with rain late at night while rain and snow showers likely (70%) inland in the evening, then rain and snow likely (60%) late Tuesday night (snow level 700 ft.), AM rain and snow Wednesday with afternoon rain and breezy (wind: S 15-25 mph gusts to 45 mph), then rain and breezy Wednesday night lows 40-45 cooling to 36 Tuesday night highs 50-44. Mostly cloudy rain and breezy Thursday, rain Thursday night and Friday, showers Friday night, rain Saturday, showers and breezy Saturday night, then mostly cloudy with showers likely (60%) Sunday highs 46-50 lows 42-40. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers (6-12 in. of snow possible) today and breezy (wind: W 15-25 mp), snow showers (0.50 in. of rain possible, 2-5 in. of snow possible) and colder tonight, snow showers Tuesday (1-3 in. of snow possible), cloudy with a good (50%) chance of snow showers Tuesday evening, snow likely (60%) late at night, snow likely (60%) Wednesday and windy (wind: S 20-30 mph gusts to 40 mph increasing to 50 mph in the afternoon), then rain and snow and breezy Wednesday night snow level 2,500 ft. through mid afternoon, at the surface tonight through Wednesday, then 2,500 ft. Wednesday night lows 27-17 highs 28-20 warming to 28 Wednesday. Mostly cloudy with snow Thursday through Friday, mostly cloudy with rain and snow showers likely (60%) Friday night, rain and snow showers Saturday, then rain and snow showers likely (60) Saturday night and Sunday snow level at the surface Thursday through Friday, 3,000 ft. Friday night, 3,500 ft. Saturday and Saturday night, then 2,500 ft. Sunday highs 28-32 lows 25-30.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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