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Here is my weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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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Advisories:   A FLOOD WARNING IS IN EFFECT FOR THE MARYS RIVER IN PHILOMATH UNTIL FRIDAY MORNING, FOR THE SILETZ RIVER AT SILETZ, NEHALEM RIVER NEAR FOSS, AND THE WILSON RIVER NEAR TILLAMOOK. FOR FLOOD UPDATES SEE THE FOLLOWING WEATHER SERVICE LINC. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 8 PM THIS EVENING UNTIL 11 AM FRIDAY FOR THE NORTH OREGON CASCADES (EXTREME AVALANCHE DANGER ABOVE 6,000 FT. THROUGH TONIGHT), AND THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 5 PM TODAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.  A FLOOD WATCH IS IN EFFECT FROM FRIDAY MORNING UNTIL SATURDAY MORNING FOR THE SOUT CENTRAL AND SOUTH OREGON COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, AND JOSEPHINE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 5 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

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A trough of low pressure (“U” shape on the jet stream) is sliding southward and eastward and lengthening.  That trough is sending a fetch of moisture with it.  A frontal system is on its way through the Pacific Northwest with the warm front first then the cold front behind it bringing  wind and rain to the coast and just rain for the rest of us. Another storm will move in Saturday making sure the weekend is wet too. Looking into next week  More frontal systems will give us rainy weather for next week too.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with showers tonight (0.25 in. of rain possible), showers (0.10 in. of rain possible) Friday, rain in the evening, showers (0.25 in. of rain possible) late Friday night and Saturday (0.15 in. of rain possible), cloudy with a good (50%) chance of showers Saturday night, then  cloudy with a good (50%) chance of showers Sunday and Sunday night lows 40-30 highs 50-45. Mostly cloudy with a good (50%) chance of showers Monday, a good (50%) chance of rain Monday night, rain likely (60% ) Tuesday through Wednesday, then showers likely (60%) Wednesday night and Thursday highs 49-53 cooling to 47 Thursday lows 36-40. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain (0.60 in. of rain possible) tonight (snow level 3,000 ft. late, 0.35 in. of rain possible), rain and snow Friday AM, rain (snow level 2,500 ft. in the afternoon, 0.25 in. of rain possible) in the afternoon, rain and snow in the evening, rain and snow showers late Friday night (snow level 2,500 ft. falling to 1,500 ft. late, 0.25 in. of rain possible), mostly cloudy with rain and snow showers Saturday (snow level 600 ft. rising to 1,500 ft. in the afternoon, 0.10 in. of rain possible), rain and snow showers likely (60%) in the evening, a good (50%) chance of rain and snow showers late Saturday night (snow level 1,500 ft. falling to 700 ft. late at night, under 0.10 in. of rain possible), rain and snow showers likely (60%) Sunday, then mostly cloudy with a good (50%) chance of rain and snow showers Sunday night lows 42-33 highs 54-48. Mostly cloudy with rain and snow showers likely (60%) Monday and Monday evening, rain likely (60%) late Monday night, rain Tuesday, rain likely (60%) Tuesday night and Wednesday, showers likely (60%) Wednesday night, then mostly cloudy with rain and snow showers likely (60%) Thursday highs 48-56 lows 36-40. (seasonal averages high 58 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with coastal rain and a slight (20%) chance of thunderstorms this evening and rain late tonight (0.45 in. of rain possible) and breezy (wind: SW 15-25 mph), rain (0.30 in. of rain possible) Friday and Friday evening, showers and a slight (20%) chance of thunderstorms at the shore late at night and inland rain and snow showers late (snow level 1,500 ft., 0.30 in. of rain possible) late Friday night and breezy (wind: SW 15-25 mph gusts to 40 mph, shifting S 10-15 mph late), mostly cloudy with coastal showers and a slight (20%) chance of  thunderstorms Saturday, AM rain and snow showers likely (60%) inland with a slight (20%),  chance of afternoon thunderstorms (snow level 600 ft. rising to 1,500 ft. in the afternoon, 0.25 in. of rain possible), mostly cloudy with evening coastal showers likely (60%) and a slight (20%) chance of thunderstorms and a chance of showers and a slight (20%) chance of thunderstorms late Saturday night, rain and snow showers likely (60%) inland in the evening then a good (50%) chance of rain and snow showers with a slight (20%) chance of thunderstorms late Saturday night (snow level 1,500 ft. falling to 1,000 ft. late at night, 0.10 in. of rain possible), rain and snow showers and a slight (20%) chance of thunderstorms Sunday AM, showers likely (60%) Sunday afternoon, then rain and snow showers likely (60%) Sunday night lows 44-34 highs 50-46.  Mostly cloudy with rain and snow showers likely (60%) Monday, rain likely (60%) Monday night, rain Tuesday, rain likely (60%) Tuesday night and Wednesday, then mostly cloudy with showers likely (60%) Wednesday night and Thursday highs 48-55 falling to 45 Thursday lows 38-45 cooling to 45 Thursday. (seasonal averages high 54 low 42).

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Forecast for the Cascades of Lane County: Cloudy with rain or snow showers (4-8 in. of snow possible, 0.75 in. of rain possible) tonight, snow showers Friday AM, rain or snow showers (2-4 in. of snow possible, 0.75 in. of rain possible) in the afternoon, evening rain or snow, rain or snow showers (2-5 in. of snow possible, 0.25 in. of rain possible) late Friday night, mostly cloudy with snow showers Saturday, snow showers likely (60%) Saturday night, mostly cloudy with snow showers likely (60%) Sunday, then a good (50%) chance of snow showers Sunday night snow level 4,500 ft. falling to 3,500 ft. tonight, 2,500 ft. Friday, 3,000 ft. Friday night, then at the surface Saturday through Sunday night  lows 27-18 highs 35-26. Mostly cloudy with snow showers likely (60%) Monday, a good (50%) chance of snow Monday night, rain and snow likely (60%) Tuesday through Wednesday, then rain and snow showers likely (60%) Wednesday night and Thursday snow level at the surface Monday and Monday night, 4,000 ft. Tuesday, 4,500 ft. Tuesday night and Wednesday, 5,000 ft.Wednesday night, then 4,000 ft. Thursday highs 30-42 cooling to near 35 Thursday lows 22-30.

________________

**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.

________________

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Here is my new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:   A HIGH WIND WARNING IS IN EFFECT UNTIL 12 PM TODAY FOR CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 8 PM THIS EVENING UNTIL 11 AM FRIDAY FOR THE NORTH OREGON CASCADES (EXTREME AVALANCHE DANGER ABOVE 6,000 FT. TODAY AND TONIGHT), AND THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 5 PM TODAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.  A HIGH WIND WARNING IS IN EFFECT UNTIL 5 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND FOR CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

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A trough of low pressure (“U” shape on the jet stream) is sliding eastward, but has another trough moving in behind it. That trough will expand and slide around bringing a fetch of moisture with it.  A frontal system is on its way through the Pacific Northwest bringing wind and rain to the coast and just rain for the rest of us. Another storm will move in Saturday making sure the weekend is wet too. Looking into next week  More frontal systems will give us rainy weather for next week too.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with rain today (0.50 in. of rain possible), mostly cloudy with showers tonight (0.10 in. of rain possible), showers (0.15 in. of rain possible) Friday, rain (0.15 in. of rain possible) likely (60%) Friday evening, showers (0.20 in. of rain possible) likely (60%) Friday night and Saturday, then cloudy with a good (50%) chance of showers Saturday night highs 54-47 lows 40-34. Cloudy with a good (50%) chance of showers Sunday, a (40%) chance of showers Sunday night, rain likely (60%) Monday through Tuesday, then showers likely (60%) Tuesday night and Wednesday highs 48-54 lows 34-38. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain (0.60 in. of rain possible) and breezy (wind: S 15-25 mph and gusts to 40 mph) today, rain in the evening, rain and snow showers late tonight (snow level 3,500 ft. falling to 2,500 ft. late at night, 0.20 in. of rain possible) rain and snow showers Friday AM, rain and snow showers (snow level 2,000 ft. rising to 2,500 ft. in the afternoon, 0.15 in. of rain possible) in the afternoon, rain in the evening, rain and snow likely (60%) Friday night (snow level 1,500 ft. late, 0.15 in. of rain possible), mostly cloudy with rain and snow showers likely (60%) Saturday and Saturday night highs 57-50 lows 42-36. Mostly cloudy with rain and snow showers likely (60%) Sunday, a good (50%) chance of rain and snow showers Sunday night, rain and snow showers likely (60%) Monday, rain and snow Monday night, AM rain and snow Tuesday, rain Tuesday afternoon, then rain likely (60%) Tuesday night and Wednesday highs 49-55 lows 33-36. (seasonal averages high 58 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain, possibly heavy at times, (1.00 in. of rain possible) today and very windy (wind: S 35-50 mph shifting to SW 30-40 mph late afternoon at the shore, and S 20-25 mph gusts to 65 mph increasing to 70 mph then decreasing to 55 mph in the afternoon inland), evening showers, showers (0.30 in. of rain possible) likely (60%) late tonight and breezy (SW 15-25 mph), coastal showers Friday with AM showers inland and showers (0.40 in. of rain possible) likely (60%) in the afternoon (AM snow level 2,000 ft.), coastal rain with inland evening rain then rain and snow late Friday night (snow level 1,500 ft. late at night, 0.40 in. of rain possible), mostly cloudy with showers and possible thunderstorms Saturday and Saturday evening, then rain and snow showers likely (60%) late Saturday night highs 48-37 lows 42-37. AM rain and snow showers likely (60%) Sunday, showers likely (60%) Sunday afternoon, rain and snow showers likely (60%) Sunday night and Monday, rain likely (60%) Monday night, rain Tuesday, then rain likely (60%) Tuesday night and Wednesday highs near 49 lows 35-40. (seasonal averages high 54 low 42).

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Forecast for the Cascades of Lane County: Cloudy with rain (0.75 in. of rain possible) and breezy (wind: SW 20-30 mph, SW 30-40 mph on exposed ridges and peaks) today, showers (3-8 in. of snow possible, 0.50 in. of rain possible) tonight, showers Friday, rain or snow then showers late Friday night, then mostly cloudy with snow showers likely (60%) Saturday and Saturday night snow level 6,500 ft. today, 5,500 ft. falling to 3,000 ft. tonight, 2,500 ft. Friday, 3,000 ft. Friday night, then at the surface Saturday and Saturday night highs 42-32 lows 27-22. Mostly cloudy with snow showers likely (60%) Sunday, a good (50%) chance of snow showers Sunday night, snow likely (60%) Monday and Monday night, rain or snow likely (60%) Tuesday, then showers likely (60%) Tuesday night and Wednesday snow level at the surface Sunday through Monday, 2,500 ft. Monday night, 3,500 ft. Tuesday and Tuesday night, then 2,500 ft. Wednesday, highs 30-39 lows 20-25.

________________

**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 new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:   A HIGH WIND WARNING IS IN EFFECT FROM 1 AM UNTIL 12 PM THURSDAY FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM THIS EVENING FOR COAST RANGE OF NORTHWEST OREGON AND THE UPPER HOOD RIVER VALLEY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 AM THURSDAY FOR THE NORTH OREGON CASCADES, NOT INCLUDING THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT FROM 11 PM THIS EVENING UNTIL 5 PM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.  A HIGH WIND WARNING IS IN EFFECT FROM 5 AM THURSDAY UNTIL 5 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND FOR CENTRAL, EASTERN, AND WESTERN LAKE COUNTY

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A trough of low pressure (“U” shape on the jet stream) is sliding eastward, but has another trough moving in behind it. That trough will expand and slide around bringing a fetch of moisture with it. A frontal system is on its way through the Pacific Northwest bringing wind and rain to the coast and just rain for the rest of us. Another storm will move in Saturday. will make sure the weekend is wet too.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with rain tonight (0.25 in. of rain possible), rain Thursday (0.50 in. of rain possible), mostly cloudy with showers Thursday night (0.10 in. of rain possible), showers (0.15 in. of rain possible) Friday, rain (0.15 in. of rain possible) likely (60%) Friday evening, showers (0.20 in. of rain possible) likely (60%) Friday night and Saturday, then cloudy with a good (50%) chance of showers Saturday night lows 43-34 highs 54-47. Cloudy with a good (50%) chance of showers Sunday, a (40%) chance of showers Sunday night, rain likely (60%) Monday through Tuesday, then showers likely (60%) Tuesday night and Wednesday highs 48-54 lows 34-38. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain (0.20 in. of rain possible) and breezy (wind: S 15-25 mph and gusts to 40 mph Thursday) tonight and Thursday (0.60 in. of rain possible), rain in the evening, rain and snow showers late Thursday night (snow level 3,500 ft. falling to 2,500 ft. late at night, 0.20 in. of rain possible) rain and snow showers Friday AM, rain and snow showers (snow level 2,000 ft. rising to 2,500 ft. in the afternoon, 0.15 in. of rain possible) in the afternoon, rain in the evening, rain and snow likely (60%) Friday night (snow level 1,500 ft. late, 0.15 in. of rain possible), mostly cloudy with rain and snow showers likely (60%) Saturday and Saturday night lows 45-36 highs 57-50. Mostly cloudy with rain and snow showers likely (60%) Sunday, a good (50%) chance of rain and snow showers Sunday night, rain and snow showers likely (60%) Monday, rain and snow Monday night, AM rain and snow Tuesday, rain Tuesday afternoon, then rain likely (60%) Tuesday night and Wednesday highs 49-55 lows 33-36. (seasonal averages high 58 low 39)

________________

Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain (0.60 in. of rain possible) tonight and very windy (wind: S 30-45 at the shore, S 20-30 mph inland), rain, possibly heavy at times, (1.00 in. of rain possible) Thursday and very windy (wind: S 35-50 mph shifting to SW 30-40 mph late afternoon at the shore, and S 20-25 mph gusts to 65 mph increasing to 70 mph then decreasing to 55 mph in the afternoon inland), evening showers, showers (0.30 in. of rain possible) likely (60%) late Thursday night and breezy (SW 15-25 mph), coastal showers Friday with AM showers inland and showers (0.40 in. of rain possible) likely (60%) in the afternoon (AM snow level 2,000 ft.), coastal rain with inland evening rain then rain and snow late Friday night (snow level 1,500 ft. late at night, 0.40 in. of rain possible), mostly cloudy with showers and possible thunderstorms Saturday and Saturday evening, then rain and snow showers likely (60%) late Saturday night lows 45-40 highs 48-37. AM rain and snow showers likely (60%) Sunday, showers likely (60%) Sunday afternoon, rain and snow showers likely (60%) Sunday night and Monday, rain likely (60%) Monday night, rain Tuesday, then rain likely (60%) Tuesday night and Wednesday highs near 49 lows 35-40. (seasonal averages high 54 low 42).

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Forecast for the Cascades of Lane County: Cloudy with rain (3-6 in. of snow possible, 0.50 in. of rain possible), increasing tonight, rain (0.75 in. of rain possible) and breezy (wind: SW 20-30 mph, SW 30-40 mph on exposed ridges and peaks) Thursday, showers (3-8 in. of snow possible, 0.50 in. of rain possible) Thursday night, showers Friday, rain or snow then showers late Friday night, then mostly cloudy with snow showers likely (60%) Saturday and Saturday night snow level 4,000 ft.rising to 6,000 ft. late tonight, 6,500 ft. Thursday, 5,500 ft. falling to 3,000 ft. Thursday night, 2,500 ft. Friday, 3,000 ft. Friday night, then at the surface Saturday and Saturday night lows 32-22 highs 42-32. Mostly cloudy with snow showers likely (60%) Sunday, a good (50%) chance of snow showers Sunday night, snow likely (60%) Monday and Monday night, rain or snow likely (60%) Tuesday, then showers likely (60%) Tuesday night and Wednesday snow level at the surface Sunday through Monday, 2,500 ft. Monday night, 3,500 ft. Tuesday and Tuesday night, then 2,500 ft. Wednesday, highs 30-39 lows 20-25.

________________

**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 new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:   A HIGH WIND WARNING IS IN EFFECT FROM 3 AM UNTIL 5 PM WEDNESDAY FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 3 AM UNTIL NOON WEDNESDAY FOR COAST RANGE OF NORTHWEST OREGON. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 AM UNTIL 5 PM WEDNESDAY FOR THE NORTH OREGON CASCADE FOOTHILLS AND THE NORTH OREGON CASCADES.

________________

A trough of low pressure (“U” shape on the jet stream) helped push a frontal system through Oregon for your Tuesday dropping about 4 inches of snow on Florence and about 6 inches of snow at North Bend. We’ll have a break in the weather Wednesday with a new storm coming in Thursday. Another frontal system (position shown for Friday) will make sure the weekend is wet too.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with rain today (0.25 in. of rain possible), rain tonight (0.25 in. of rain possible) and Thursday (0.50 in. of rain possible), showers (0.25 in. of rain possible) Thursday night, rain likely (60%) Friday, then showers likely (60%) Friday highs 50-55 cooling to near 50 Friday lows 43-36. Mostly cloudy with a good (50%) chance of showers Saturday, cloudy with a good (50% chance of showers Saturday night through Sunday night, then mostly with a good (50%) chance of showers Monday through Tuesday highs 48-54 lows near 34. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Cloudy with a (40%) chance of rain and snow this AM, rain likely (60%) this afternoon (snow level 1,500 ft. rising to 3,000 ft. in the afternoon, under 0.10 in. of rain possible) and breezy (wind: S 15-25 mph), mostly cloudy with rain likely (60% in the evening, rain tonight (under 0.10 in. of rain possible) through Thursday (0.45 in. of rain possible) evening, showers likely (60%) late Thursday night (0.10 in. of rain possible), rain Friday, cloudy with a good (50%) chance of rain and snow showers Friday in the evening, then rain and snow showers likely (60%) Friday night highs 54-58 cooling to near 53 Friday lows 45-38. Mostly cloudy with rain and snow showers likely (60%) Saturday through Monday, a (40%) chance of rain and snow showers Monday night and Tuesday highs 48-53 lows near 35. (seasonal averages high 58 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with AM rain (snow level 2,000 ft.) likely (60%), rain today (0.15 in. of rain possible) and tonight (0.15 in. of rain possible), rain (0.75 in. of rain possible) and windy (wind: S 25-35 mph at the shore and S 20-25 mph inland) Thursday, evening showers, showers (0.30 in. of rain possible) likely (60%) Thursday night, rain Friday, showers likely (60%) in the evening, then rain and snow showers and windy Friday night highs 50-48 lows 45-40. Mostly cloudy with showers Saturday, showers likely (60%) Saturday night, rain and snow showers likely Sunday, a good (50%) chance of showers Sunday night, mostly cloudy with a good (50%) chance of rain and snow showers Monday, then mostly cloudy with a good (50%) chance of showers Monday night and Tuesday highs 47-50 lows 35-35. (seasonal averages high 54 low 42).

_________________

Forecast for the Cascades of Lane County: Cloudy with a chance of rain or  snow this AM, rain or snow likely in the afternoon (2-5 in. of snow possible, 0.25 in. of rain possible), rain or snow tonight (2 in. of snow possible, 0.10 in. of rain possible), AM rain Thursday ( in. of rain possible) and breezy (wind: S 15-25 mph gusts to 35 mph late), showers and breezy (wind: SW 15-25 mph decreasing to SW 5-15 mph late at night) Thursday night, rain or snow Friday, then snow showers likely (60%) Friday night snow level 2,500 ft. rising to 4,000 ft. today, 5,000 ft. tonight, 6,500 ft. Thursday, 4,500 ft Thursday night, 4,000 ft. Friday, then 2,500 ft. Friday night  highs 35-40 cooling to near 35 Friday lows 30-24. Mostly cloudy with snow showers Saturday through Sunday night, then mostly cloudy with a good (50%) chance of snow showers Monday through Tuesday snow level at the surface Saturday through Monday, then 2,500 ft. Monday night and Tuesday highs 32-39 lows near 20.

________________

**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 new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:   A HIGH WIND WARNING IS IN EFFECT FROM 3 AM UNTIL 5 PM WEDNESDAY FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 3 AM UNTIL NOON WEDNESDAY FOR COAST RANGE OF NORTHWEST OREGON. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 AM UNTIL 5 PM WEDNESDAY FOR THE NORTH OREGON CASCADE FOOTHILLS AND THE NORTH OREGON CASCADES.

________________

A trough of low pressure (“U” shape on the jet stream) helped push a frontal system through Oregon for your Tuesday dropping about 4 inches of snow on Florence and about 6 inches of snow at North Bend. We’ll have a break in the weather Wednesday with a new storm coming in Thursday. Another frontal system (position shown for Friday) will make sure the weekend is wet too.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with AM (40%) chance of showers, rain tonight (0.10 in. of rain possible), rain Wednesday (0.25 in. of rain possible), rain Wednesday night (0.25 in. of rain possible) and Thursday (0.50 in. of rain possible), showers (0.25 in. of rain possible) Thursday night, rain likely (60%) Friday, then showers likely (60%) Friday lows 34-43 cooling to near 36 Friday night highs 50-55 cooling to near 50 Friday. Mostly cloudy with a good (50%) chance of showers Saturday, cloudy with a good (50% chance of showers Saturday night through Sunday night, then mostly with a good (50%) chance of showers Monday through Tuesday highs 48-54 lows near 34. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of rain and snow showers tonight, cloudy with a (40%) chance of rain and snow Wednesday AM, rain likely (60%) Wednesday afternoon (snow level 1,500 ft. rising to 3,000 ft. in the afternoon, under 0.10 in. of rain possible) and breezy (wind: S 15-25 mph), mostly cloudy with rain likely (60% in the evening, rain Wednesday night (under 0.10 in. of rain possible)  through Thursday (0.45 in. of rain possible) evening, showers likely (60%) late Thursday night (0.10 in. of rain possible), rain Friday, cloudy with a good (50%) chance of rain and snow showers Friday in the evening, then rain and snow showers likely (60%) Friday night lows 35-45 cooling to near 38 Friday night highs 54-58 cooling to near 53 Friday. Mostly cloudy with rain and snow showers likely (60%) Saturday through Monday, a (40%) chance of rain and snow showers Monday night and Tuesday highs 48-53 lows near 35. (seasonal averages high 58 low 39)

________________

Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (30%) chance of coastal showers and a slight (20%) of rain and snow showers (snow level 1,500 ft.) inland tonight (under 0.10 in. of rain possible), AM rain (snow level 2,000 ft.) likely (60%), rain Wednesday (0.15 in. of rain possible) and Wednesday night (0.15 in. of rain possible), rain (0.75 in. of rain possible) and windy (wind: S 25-35 mph at the shore and S 20-25 mph inland) Thursday, evening showers, showers (0.30 in. of rain possible) likely (60%) Thursday night, rain Friday, showers likely (60%) in the evening, then rain and snow showers and windy Friday night lows 38-45 cooling to near 40 Friday night highs 50-48. Mostly cloudy with showers Saturday, showers likely (60%) Saturday night, rain and snow showers likely Sunday, a good (50%) chance of showers Sunday night, mostly cloudy with a good (50%) chance of rain and snow showers Monday, then mostly cloudy with a good (50%) chance of showers Monday night and Tuesday highs 47-50 lows 35-35. (seasonal averages high 54 low 42).

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Forecast for the Cascades of Lane County: Cloudy with a good (50%) chance of snow showers this evening, cloudy with a (40%) chance of snow late tonight, cloudy with a chance of rain or  snow Wednesday AM, rain or snow likely in the afternoon (2-5 in. of snow possible, 0.25 in. of rain possible), rain or snow Wednesday night (2 in. of snow possible, 0.10 in. of rain possible), AM rain Thursday ( in. of rain possible) and breezy (wind: S 15-25 mph gusts to 35 mph late), showers and breezy (wind: SW 15-25 mph decreasing to SW 5-15 mph late at night) Thursday night, rain or snow Friday, then snow showers likely (60%) Friday night snow level 2,5,00 ft. tonight, 2,500 ft. rising to 4,000 ft. Wednesday, 5,000 ft. Wednesday night, 6,500 ft. Thursday, 4,500 ft Thursday night, 4,000 ft. Friday, then 2,500 ft. Friday night lows 22-30 cooling to near 24 Friday night highs 35-40 cooling to near 35 Friday. Mostly cloudy with snow showers Saturday through Sunday night, then mostly cloudy with a good (50%) chance of snow showers Monday through Tuesday snow level at the surface Saturday through Monday, then 2,500 ft. Monday night and Tuesday highs 32-39 lows near 20.

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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 new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:   A WINTER STORM WARNING IS IN EFFECT UNTIL 3 AM TODAY FOR THE NORTH AND CENTRAL OREGON COAST AND UNTIL 11 AM FORTHE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF OREGON.  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TODAY FOR THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY. A WINTER STORM WARNING IS IN EFFECT UNTIL 1 PM THIS AFTERNOON ABOVE 2,000 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND THE EASTERN DOUGLAS COUNTY FOOTHILLS. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TODAY FOR THE NORTH OREGON CASCADES AND THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 2 AM TODAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT  UNTIL 11 AM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN AND WESTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 2 AM TODAY FOR JACKSON COUNTY AND UNTIL 8 AM TODAY  FOR THE KLAMATH BASIN. A WINTER STORM WARNING IS IN EFFECT UNTIL 1 PM TODAY ABOVE 2,000 FT. CENTRAL DOUGLAS COUNTY,  EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS, THE KLAMATH BASIN. A HIGH WIND WARNING IS IN EFFECT UNTIL 11 AM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 2 AM TODAY FOR JACKSON COUNTY AND UNTIL 8 AM TODAY FOR THE KLAMATH BASIN.

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A high pressure ridge (“Arch” shape on the yellow line) has moved eastward away from Oregon as the next trough of low pressure trough (“U” shape on the jet stream) approaches returning the clouds. A frontal system is pushing through Oregon  continuing the wet weather and bringing some swift winds. Yet another frontal system (position shown for Wednesday) with others following behind it will continue the threat of rain next week.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with AM rain and snow showers, showers likely (60%) this afternoon (snow level 1,000 ft., 1 in. of snow possible above 500 ft., 0.25 in. of rain possible), cloudy with a good (50%) chance of showers tonight (under 0.10 in. of rain possible), rain likely (60%) Wednesday (0.10 in. of rain possible), rain Wednesday night (0.15 in. of rain possible), rain Thursday, then rain likely (60%) Thursday night highs 45-55 lows 34-42. Mostly cloudy with showers likely (60%) Friday through Sunday night, then a good (50%) chance of showers (snow level 1,000 ft.) Monday highs near 49 lows 36-33. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with  AM rain and snow showers today, rain and snow showers likely (60%) this afternoon (snow level 900 ft., 1-2 in. of snow above 1,500 ft and 1 in. of snow possible at lower elevations, 0.10 in. of rain possible), a (40%) chance of rain and snow showers tonight (snow level 2,000 ft, under 0.10 in. of rain possible), partly cloudy with a (40%) chance of rain and snow Wednesday AM, rain likely (60%) in the afternoon (snow level 2,000 ft. rising to 3,000 ft. in the afternoon), mostly cloudy with rain Wednesday night through Thursday night highs 48-54 lows 38-43 cooling to near 40 Thursday night. Mostly cloudy with rain Thursday and Thursday night, showers Friday, rain and snow showers Friday night, rain and snow showers likely (60%) Saturday through Sunday, then mostly cloudy with a good (50%) chance of rain and snow showers Sunday night, then a (40%) chance of rain and snow showers Monday highs 53-46 lows 38-32. (seasonal averages high 58 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with coastal showers this AM with showers likely (60%) this afternoon (0.20 in. of rain possible),  AM rain and snow  showers inland, rain and snow showers likely (60%) in the afternoon inland (snow level 900 ft., in the afternoon, 1 in. of snow possible, under 0.10 in. of rain possible), a good (50%) chance of evening coastal showers with showers likely (60%) tonight and  a (40%) chance of inland showers (snow level 2,000 ft., under 0.10 in. of rain possible), coastal showers likely (60%) Wednesday AM with rain in the afternoon, a good (50%) chance of inland morning rain with rain likely (60%) in the afternoon (0.10 in. of rain possible), rain Wednesday night, then mostly cloudy with rain and breezy Thursday and Thursday night highs 47-53 lows 39-45 cooling to 42 Thursday night. Mostly cloudy with showers Friday and Friday night, showers likely (60%) Saturday through Sunday night, then mostly cloudy with a good (50%) chance of rain and snow showers Monday highs 50-45 lows 40-34. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers (4-9 in. of snow possible) today, cloudy with a good (50%) chance of snow showers tonight, rain and snow likely (60%) Wednesday (1 in. of snow possible), rain or snow Wednesday night, AM rain Thursday, rain or snow and breezy in the afternoon, then rain or snow Thursday night snow level at the surface today, 2,5,00 ft. tonight, 3,500 ft. Wednesday, 5,000 ft. Wednesday night, 6,500 ft. Thursday, then 5,500 ft Thursday night highs 24-20 lows 22-28. Mostly cloudy with showers Friday,  snow showers likely (60%) Friday night through Sunday night, then mostly cloudy with a good (50%) chance of snow showers Monday snow level 3,500 ft. Friday, 2,500 ft. Friday night,  then at the surface Saturday through Monday highs 34-30 lows 27-20.

________________

**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 new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:  A HIGH WIND WARNING IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE NORTH AND CENTRAL OREGON COAST. A HIGH SURF ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER STORM WARNING IS IN EFFECT UNTIL 3 AM TUESDAY FOR THE COAST RANGE OF NORTHWEST OREGON. A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING  FOR THE NORTH WILLAMETTE VALLEY, AND UNTIL 5 PM THIS AFTERNOON THE ENTIRE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE AND SPRINGFIELD. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 PM TODAY THROUGH 6 PM TUESDAY FOR THE NORTH OREGON CASCADE FOOTHILLS, AND FROM 9 PM THIS EVENING UNTIL NOON TUESDAY FOR THE CASCADE FOOTHILLS IN LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TUESDAY FOR THE NORTH OREGON CASCADES AND FROM 1 AM UNTIL NOON TUESDAY FOR THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 2 AM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST AND UNTIL 11 AM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN AND WESTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR CENTRAL DOUGLAS COUNTY AND UNTIL 2 AM TUESDAY FOR JACKSON COUNTY AND UNTIL 8 AM TUESDAY  FOR THE KLAMATH BASIN. A WINTER STORM WARNING IS IN EFFECT FROM 9 PM TONIGHT UNTIL 1 PM TUESDAY ABOVE 2,000 FT. CENTRAL DOUGLAS COUNTY,  EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 1 PM TUESDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS, THE KLAMATH BASIN. A HIGH WIND WARNING IS IN EFFECT UNTIL 11 AM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 2 AM TUESDAY FOR JACKSON COUNTY AND UNTIL 8 AM TUESDAY FOR THE KLAMATH BASIN.

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A high pressure ridge (“Arch” shape on the yellow line) has moved eastward away from Oregon as the next trough of low pressure trough (“U” shape on the jet stream) approaches returning the clouds. A frontal system is pushing through Oregon  continuing the wet weather and bringing some swift winds. Yet another frontal system (position shown for Wednesday) with others following behind it will continue the threat of rain next week.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain (0.75 in. of rain possible) and breezy (wind: S 20-30 mph gusts to 45 mph) tonight, AM showers, showers likely (60%) Tuesday afternoon (snow level 1,000 ft., 1 in. of snow possible above 1,000 ft., 0.25 in. of rain possible), cloudy with a good (50%) chance of showers Tuesday night (under 0.10 in. of rain possible), rain likely (60%) Wednesday (0.10 in. of rain possible), rain Wednesday night (0.15 in. of rain possible), rain Thursday, then rain likely (60%) Thursday night lows 34-42 highs 45-55. Mostly cloudy with showers likely (60%) Friday through Sunday night, then a good (50%) chance of showers (snow level 1,000 ft.) Monday highs near 49 lows 36-33. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with evening rain, rain and snow (snow level 2,000 ft. late at night, 3-6 in. of snow possible, 0.75 in. of rain possible) late tonight and breezy (wind: S 15-25 mph gusts 40 mph, shifting SW 10-15 mph late tonight), AM rain and snow showers Tuesday, rain and snow showers likely (60%) in the afternoon (snow level 900 ft., 1-2 in. of snow above 1,500 ft and 1 in. of snow possible at lower elevations, 0.10 in. of rain possible), a (40%) chance of rain and snow showers Tuesday night (snow level 2,000 ft, under 0.10 in. of rain possible), partly cloudy with a (40%) chance of rain and snow Wednesday AM, rain likely (60%) in the afternoon (snow level 2,000 ft. rising to 3,000 ft. in the afternoon), mostly cloudy with rain Wednesday night through Thursday night lows 36-43 cooling to near 40 Thursday night highs 48-54. Mostly cloudy with rain Thursday and Thursday night, showers Friday, rain and snow showers Friday night, rain and snow showers likely (60%) Saturday through Sunday, then mostly cloudy with a good (50%) chance of rain and snow showers Sunday night, then a (40%) chance of rain and snow showers Monday highs 53-46 lows 38-32. (seasonal averages high 57 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with coastal rain tonight, evening rain inland, then rain and snow (snow level 2,000 ft. late, 2.00 in. of rain possible) late tonight and windy (wind S 20-30 mph gusts to 50 mph switching SW 10-15 mph late), coastal showers Tuesday AM with showers likely (60%) in the afternoon (0.20 in. of rain possible),  AM rain and snow  showers inland, rain and snow showers likely (60%) in the afternoon inland (snow level 900 ft., in the afternoon, 1 in. of snow possible, under 0.10 in. of rain possible), a good (50%) chance of evening coastal showers with showers likely (60%) Tuesday night and  a (40%) chance of inland showers (snow level 2,000 ft., under 0.10 in. of rain possible), coastal showers likely (60%) Wednesday AM with rain in the afternoon, a good (50%) chance of inland morning rain with rain likely (60%) in the afternoon (0.10 in. of rain possible), rain Wednesday night, then mostly cloudy with rain and breezy Thursday and Thursday night  lows 39-45 cooling to 42 Thursday night highs 47-53. Mostly cloudy with showers Friday and Friday night, showers likely (60%) Saturday through Sunday night, then mostly cloudy with a good (50%) chance of rain and snow showers Monday highs 50-45 lows 40-34. (seasonal averages high 54 low 41).

_________________

Forecast for the Cascades of Lane County: Mostly cloudy with rain and snow this evening, snow (5-10 in. of snow possible, 0.75 in. of rain possible) tonight and breezy (wind: S 20-35 mph gusts to 55 mph decreasing to S 10-20 mph gusts to 35 mph late), mostly cloudy with snow showers (4-9 in. of snow possible) Tuesday, cloudy with a good (50%) chance of snow showers Tuesday night, rain and snow likely (60%) Wednesday, rain or snow Wednesday night, AM rain Thursday, rain or snow and breezy in the afternoon, then rain or snow Thursday night snow level 4,000 ft. falling to 2,500 ft. late tonight, at the surface Tuesday, 2,5,00 ft. Tuesday night, 3,500 ft. Wednesday, 5,000 ft. Wednesday night, 6,500 ft. Thursday, then 5,500 ft Thursday night lows 23-28 highs 24-20. Mostly cloudy with showers Friday,  snow showers likely (60%) Friday night through Sunday night, then mostly cloudy with a good (50%) chance of snow showers Monday snow level 3,500 ft. Friday, 2,500 ft. Friday night,  then at the surface Saturday through Monday highs 34-30 lows 27-20.

________________

**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 new weekly weather quiz question for this week. The Willamette Valley can see some pretty hot temperatures during the summer months, but the diurnal variation of temperatures is what makes it not as uncomfortable as it can get elsewhere. Explain what “diurnal” means and why does it make us more comfortable? 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.

________________

Advisories:  A HIGH WIND WARNING IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE NORTH AND CENTRAL OREGON COAST. A HIGH SURF ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER STORM WARNING IS IN EFFECT UNTIL 3 AM TUESDAY FOR THE COAST RANGE OF NORTHWEST OREGON. A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING  FOR THE NORTH WILLAMETTE VALLEY, AND UNTIL 5 PM THIS AFTERNOON THE ENTIRE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE AND SPRINGFIELD. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 PM TODAY THROUGH 6 PM TUESDAY FOR THE NORTH OREGON CASCADE FOOTHILLS, AND FROM 9 PM THIS EVENING UNTIL NOON TUESDAY FOR THE CASCADE FOOTHILLS IN LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TUESDAY FOR THE NORTH OREGON CASCADES AND FROM 1 AM UNTIL NOON TUESDAY FOR THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 2 AM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST AND UNTIL 11 AM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN AND WESTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR CENTRAL DOUGLAS COUNTY AND UNTIL 2 AM TUESDAY FOR JACKSON COUNTY AND UNTIL 8 AM TUESDAY  FOR THE KLAMATH BASIN. A WINTER STORM WARNING IS IN EFFECT FROM 9 PM TONIGHT UNTIL 1 PM TUESDAY ABOVE 2,000 FT. CENTRAL DOUGLAS COUNTY,  EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 1 PM TUESDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOUS MOUNTAINS, THE KLAMATH BASIN. A HIGH WIND WARNING IS IN EFFECT UNTIL 11 AM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 2 AM TUESDAY FOR JACKSON COUNTY AND UNTIL 8 AM TUESDAY FOR THE KLAMATH BASIN.

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A high pressure ridge (“Arch” shape on the yellow line) has moved eastward away from Oregon as the next trough of low pressure trough (“U” shape on the jet stream) approaches returning the clouds. A frontal system is pushing through Oregon  continuing the wet weather and bringing some swift winds. Yet another frontal system (position shown for Wednesday) with others following behind it will continue the threat of rain next week.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain (0.25 in. of rain possible) and windy (wind: S 25-35 mph gusts to 50 mph) today, rain, heavy at times, (1.00 in. of rain possible) tonight, showers Tuesday (snow level 1,000 ft., 0.25 in. of rain possible), cloudy with a good (50%) chance of showers Tuesday night (under 0.10 in. of rain possible), rain likely (60%) Wednesday (under 0.10 in. of rain possible), then rain Wednesday night highs 50-45 warming to 53 Wednesday lows 35-42. Mostly cloudy with rain Thursday, rain likely (60%) Thursday night, then mostly cloudy with showers likely (60%) Friday through Sunday highs 51-46 warming to 52 Sunday lows 42-36. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with AM rain and snow (snow level 2,000 ft. rising to 3,500 ft., under 0.10 in. of rain possible) likely (60%) today and windy (wind: S 20-30 mph gusts to 50 mph late AM and afternoon), evening rain, rain and snow (snow level 2,000 ft. late at night, 1 in. of snow possible, 0.65 in. of rain possible) late tonight and breezy (wind: S 15-25 mph gusts 40 mph, shifting SW 10-15 mph late tonight), AM rain and snow Tuesday (0.15 in. of rain possible), rain and snow likely (60%) in the afternoon (snow level 1,000 ft. rising to 1,500 ft., 1-2 in. of snow possible) rain and snow showers likely (60%) Tuesday night (snow level 2,000 ft, 0.10 in. of rain possible), then mostly cloudy with showers likely (60%) Wednesday AM, rain likely (60%) in the afternoon (snow level 3,500 ft.), then rain Wednesday night lows 36-40 cooling to 36 Wednesday night highs 52-48 warming to near 53 Wednesday. Mostly cloudy with rain Thursday and Thursday night, showers Friday, rain and snow showers Friday night, then rain and snow showers likely (60%) Saturday through Sunday highs 53-46 lows 42-35. (seasonal averages high 57 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain (early AM snow level 2,000 ft., 0.50 in. of rain possible) today and very windy (wind: S 35-50 mph at the shore and S 25-35 mph inland), rain (snow level 2,000 ft., 2.00 in. of rain possible), heavy at times, tonight and windy (wind S 20-30 mph gusts to 50 mph switching SW 10-20 mph late), coastal rain Tuesday AM, showers likely (60%) in the afternoon (0.20 in. of rain possible),  AM rain and snow inland Tuesday, rain and snow showers likely (60%) in the afternoon inland (snow level 1,000 ft. rising to 1,500 ft. in the afternoon, 0.20 in. of rain possible), showers likely (60%), Tuesday night (snow level 2,000 ft., under 0.10 in. of rain possible), showers likely (60%) Wednesday AM, rain in the afternoon (0.10 in. of rain possible), then mostly cloudy with rain Wednesday night highs 50-47 warming to 53 Wednesday lows 39-45. Mostly cloudy with rain Thursday and Thursday night, showers Friday and Friday night, showers likely (60%) Saturday and Saturday night, then mostly cloudy with rain and snow showers likely (60%) Sunday highs 52-45 lows 42-35. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly cloudy with snow likely (60%) this AM, rain and snow (1 in. of snow possible, 0.10 in. of rain possible) likely (60%) this afternoon and windy (wind: S 20-30 mph gusts to 65 mph), rain and snow (5-9 in. of snow possible) tonight and windy (wind: S 20-30 mph gusts to 60 mph decreasing to 45 mph late), mostly cloudy with snow showers (4-8 in. of snow possible) Tuesday, rain and snow showers likely (60%) Tuesday night, rain and snow likely (60%) Wednesday, then rain Wednesday night snow level 2,500 ft. rising to 4,000 ft. today, 3,000 ft. tonight, at the surface Tuesday, 3,000 ft. Tuesday night, 4,000 ft. Wednesday, then 5,500 ft. Wednesday night highs 37-30 warming to near 40 Wednesday lows 25-30. Mostly cloudy with  rain and snow Thursday and breezy, rain Thursday night, rain and snow showers likely (60%) Friday, then snow showers likely (60%) Friday night through Sunday snow level 5,000 ft. Thursday, 6,000 ft. Thursday night, 4,000 ft. Friday, 2,500 ft. Friday night, at the surface Saturday, 2,500 ft. Saturday night then at the surface Sunday highs 39-32 lows 27-24.

________________

**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.

________________

________________

Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 2 AM UNTIL 5 PM MONDAY FOR THE NORTH AND CENTRAL OREGON COAST. A HIGH SURF ADVISORY IS IN EFFECT FROM 5 AM UNTIL 11 PM MONDAY FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE NORTHERN CASCADES AND THE CASCADES OF LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 3 PM MONDAY THROUGH 7 AM TUESDAY FOR THE NORTH OREGON CASCADES AND THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT FROM 5 AM MONDAY UNTIL 2 AM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT FROM 11 AM MONDAY UNTIL 2 AM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER STORM WARNING IS IN EFFECT FROM 8 PM MONDAY UNTIL 5 PM TUESDAY ABOVE 2,500 FT. EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 11 PM MONDAY UNTIL 5 PM TUESDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES AND THE SISKIYOUS MOUNTAINS. A HIGH WIND WARNING IS IN EFFECT FROM 11 AM MONDAY UNTIL 11 AM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT FROM 11 AM MONDAY UNTIL 2 AM TUESDAY FOR JACKSON COUNTY AND FROM 11 AM MONDAY UNTIL 8 AM TUESDAY FOR THE KLAMATH BASIN.  A WINTER STORM WATCH IS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY EVENING FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES AND THE SISKIYOUS MOUNTAINS. A WIND ADVISORY IS IN EFFECT UNTIL 8 PM THIS EVENING FOR CENTRAL AND EASTERN LAKE COUNTY.

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A high pressure ridge (“Arch” shape on the yellow line) has moved eastward away from Oregon as the next trough of low pressure trough (“U” shape on the jet stream) approaches returning the clouds. A frontal system moved through the Pacific Northwest with another front pushing through Oregon now continuing the wet weather. Yet another frontal system (position shown for Wednesday) with others following behind it will continue the threat of rain next week.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a (40%) chance of showers this evening, a good (50%) chance of rain (0.10 in. of rain possible) tonight, rain (0.30 in. of rain possible) and windy (wind: S 15-30 mph gusts to 40 mph in the AM) Monday, rain, heavy at times rain (1.00 in. of rain possible, 0.90 in. of rain possible) Monday night, showers Tuesday (0.25 in. of rain possible), cloudy with a good (50%) chance of showers Tuesday night (under 0.10 in. of rain possible), rain likely (60%) Wednesday, then rain Wednesday night lows 35-42 highs 50-45 warming to 53 Wednesday. Mostly cloudy with rain Thursday, rain likely (60%) Thursday night, then mostly cloudy with showers likely (60%) Friday through Sunday highs 51-48 lows 39-36. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a (40%) chance of rain and snow showers this evening, a good (50%) of rain and snow late tonight (snow level 2,000 ft. falling to 1,000 ft. late, under 0.10 in. of rain possible),  AM rain and snow (snow level 1,000 ft. rising to 2,000 ft., 0.10 in. of rain possible) likely (60%) Monday and windy (wind: S 20-30 mph gusts to 45 mph late AM and afternoon), evening rain, rain and snow (snow level 2,000 ft. late at night, 1 in. of snow possible, 0.65 in. of rain possible) late Monday night, AM rain and snow Tuesday (0.15 in. of rain possible), rain and snow likely (60%) in the afternoon (snow level 1,000 ft. rising to 1,500 ft.), evening rain and snow showers likely (60%), then rain and snow likely (60%) late Tuesday night (snow level 2,000 ft, 0.10 in. of rain possible), then mostly cloudy with rain Wednesday and Wednesday night lows 36-40 cooling to 36 Wednesday night highs 52-48 warming to near 55 Wednesday. Mostly cloudy with rain Thursday and Thursday night, showers Friday, rain and snow showers Friday night, then rain and snow showers likely (60%) Saturday through Sunday highs  53-46 lows 42-35. (seasonal averages high 57 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (40%) chance of showers this evening, coastal rain late at night with a good (50%) chance of rain and snow inland late (snow level 2,000 ft. falling to 1,500 ft. late, under 0.10 in. of rain possible), rain (AM snow level 2,000 ft., 0.50 in. of rain possible) Monday and very windy (wind: S 30-45 mph at the shore and S 20-35 mph inland, gusts to 60 mph increasing to 65 mph late afternoon), rain (snow level 1,500 ft. late, 2.00 in. of rain possible), heavy at times, Monday night and windy: wind S 20-30 mph gusts to 45 mph switching SW 10-20 mph late), coastal rain Tuesday AM, showers likely (60%) in the afternoon (0.20 in. of rain possible),  AM rain and snow inland Tuesday, rain and snow showers likely (60%) in the afternoon inland (snow level 1,000 ft. rising to 1,500 ft. in the afternoon), evening showers likely (60%) , rain likely (60%) late Tuesday night (0.10 in. of rain possible), rain likely (60%) Wednesday AM, rain in the afternoon, then mostly cloudy with rain (snow level 2,000 ft.) Wednesday night lows 39-45 highs 50-47 warming to 53 Wednesday. Mostly cloudy with rain Thursday and Thursday night, showers Friday and Friday night, showers likely (60%) Saturday and Saturday night, then mostly cloudy with rain and snow showers likely (60%) Sunday highs 52-45  lows 43-37. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Cloudy with a good (50%) chance of snow showers this evening, snow (3-5 in. of snow possible) likely (60%) late tonight and breezy (wind: SW 15-25 mph gusts to 50 mph), snow likely (60%) Monday AM, rain and snow (1-3 in. of snow possible, 0.10 in. of rain possible) in the afternoon and windy (wind: S 25-35 mph gusts to 65 mph), rain and snow (6-10 in. of snow possible) Monday night and windy (wind: S 20-30 mph gusts to 60 mph decreasing to 45 mph late), mostly cloudy with snow showers Tuesday, rain and snow showers likely (60%) Tuesday night, rain and snow likely (60%) Wednesday, then rain Wednesday night snow level at the surface tonight, 2,500 ft. rising to 4,500 ft.  Monday, 3,000 ft. Monday night, at the surface Tuesday, 3,000 ft. Tuesday night, 4,000 ft. Wednesday, then 5,500 ft. Wednesday night lows 23-30 highs 37-32 warming to near 40 Wednesday. Mostly cloudy with  rain and snow Thursday and breezy, rain Thursday night, rain and snow showers likely (60%) Friday, then snow showers likely (60%) Friday night through Sunday snow level 5,000 ft. Thursday, 6,000 ft. Thursday night, 4,000 ft. Friday, 2,500 ft. Friday night, at the surface Saturday, 2,500 ft. Saturday night then at the surface Sunday highs 39-32 lows 27-24.

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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.

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

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Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 2 AM UNTIL 5 PM MONDAY FOR THE NORTH AND CENTRAL OREGON COAST. A HIGH SURF ADVISORY IS IN EFFECT FROM 5 AM UNTIL 11 PM MONDAY FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE NORTHERN CASCADES AND THE CASCADES OF LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 3 PM MONDAY THROUGH 7 AM TUESDAY FOR THE NORTH OREGON CASCADES AND THE CASCADES IN LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT FROM 5 AM MONDAY UNTIL 2 AM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH SURF WARNING IS IN EFFECT FROM 11 AM MONDAY UNTIL 2 AM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WINTER STORM WARNING IS IN EFFECT FROM 8 PM MONDAY UNTIL 5 PM TUESDAY ABOVE 2,500 FT. EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 11 PM MONDAY UNTIL 5 PM TUESDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL AND SOUTH OREGON CASCADES AND THE SISKIYOUS MOUNTAINS. A HIGH WIND WARNING IS IN EFFECT FROM 11 AM MONDAY UNTIL 11 AM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY. A WIND ADVISORY IS IN EFFECT FROM 11 AM MONDAY UNTIL 2 AM TUESDAY FOR JACKSON COUNTY AND FROM 11 AM MONDAY UNTIL 8 AM TUESDAY FOR THE KLAMATH BASIN.  A WINTER STORM WATCH IS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY EVENING FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES AND THE SISKIYOUS MOUNTAINS. A WIND ADVISORY IS IN EFFECT UNTIL 8 PM THIS EVENING FOR CENTRAL AND EASTERN LAKE COUNTY.

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A high pressure ridge (“Arch” shape on the yellow line) has moved eastward away from Oregon as the next trough of low pressure trough (“U” shape on the jet stream) approaches returning the clouds. A frontal system moved through the Pacific Northwest with another front pushing through Oregon now continuing the wet weather. Yet another frontal system (position shown for Wednesday) with others following behind it will continue the threat of rain next week.

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Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with peeks of sunshine and showers today (0.25 in. of rain possible, some small hail possible), evening showers likely (60%), rain (0.10 in. of rain possible) likely (60%) late tonight and breezy (wind: S 15-25 mph), rain (0.30 in. of rain possible) and breezy wind: S 15-25 mph) Monday, rain, heavy at times in the evening, rain (0.80 in. of rain possible) late Monday night, rain likely (60%) Tuesday, then mostly cloudy with showers Tuesday night highs 48-45 lows 36-33 warming to 40 Tuesday night. Mostly cloudy with rain Wednesday through Thursday, rain likely (60%) Thursday night and Friday, then mostly cloudy with showers likely (60%) Friday night and Saturday highs 52-48 lows 42-38. (seasonal averages high 56 low 37)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with showers this AM, rain and snow showers this afternoon (snow level 2,500 ft. falling to 1,500 ft., 1 in. of snow possible, 0.15 in. of rain possible), rain and snow showers likely (60%) in the evening, rain and snow likely (60%) late tonight (snow level 1,000 ft., 1 in. of snow possible, under 0.10 in. of rain possible), then rain and snow (snow level 1,000 ft rising to 2,000 ft., 0.15 in. of rain possible) and breezy (wind: S 15-25 mph gusts to 40 mph) Monday, evening rain, rain and snow (snow level 3,500 ft. falling to 1,500 ft. late at night, 0.60 in. of rain possible) Monday night, AM rain and snow Tuesday, rain and snow likely (60%) in the afternoon, then rain and snow Tuesday night highs 52-48 lows 37-40. Mostly cloudy with periods of rain Wednesday, rain Wednesday night through Friday, rain and snow showers Friday night, then rain and snow showers likely (60%) Saturday highs  53-47 lows 42-38. (seasonal averages high 57 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with  coastal showers today with AM showers inland and rain and snow showers in the afternoon (afternoon snow level 1,000 ft., 0.25 in. of rain possible), evening coastal showers likely (60%) and rain late at night with evening rain and snow showers likely (60%) inland then rain and snow showers (snow level 1,000 ft., 1 in. of snow possible, under 0.10 in. of rain possible) likely (60%) late tonight and breezy (wind: S 15-25 mph), coastal rain Monday with inland AM rain and snow, then rain in the afternoon (snow level 1,000 ft. rising to 2,000 ft. in the afternoon, 0.75 in. of rain possible) and very windy (wind: S 30-35 mph at the shore and S 20-30 mph inland), coastal rain Monday night, evening rain then rain (1.50 in. of rain possible) and snow (snow level 1,000 ft. late) inland late at night, AM rain and snow Tuesday, rain likely (60%) in the afternoon, then rain Tuesday night highs 48-50 lows 39-43. Mostly cloudy with rain Wednesday through Friday, showers Friday night, then showers likely (60% Saturday highs 52-47  lows 45-40. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly cloudy with rain and snow showers today (3-5 in. of snow possible) and breezy (wind: SW 10-15 mph increasing to SW 15-25 mph gusts to 40 mph), evening snow showers likely (60%),  snow (2 in. of snow possible) likely (60%) late tonight and windy (wind: S 20-35 mph gusts to 55 mph increasing to 65 mph late at night) Sunday night, rain and snow and windy (wind: S 20-35 mph gusts to 65 mph) Monday, rain and snow Monday night and windy (wind: S 25-35 mph gusts to 55 mph decreasing to 40 mph late), mostly cloudy with snow Tuesday, then rain and snow showers Tuesday night snow level 3,500 ft. falling to 3,000 ft. today, at the surface tonight, 2,500 ft. Monday, 3,000 ft. Monday night, at the surface Tuesday, then 3,000 ft. Tuesday night highs 30-35 cooling to near 32 Tuesday lows 22-29. Mostly cloudy with rain and snow Wednesday, rain Wednesday night, rain and snow Thursday, rain Thursday night, rain and snow likely (60%) Friday, then rain and snow showers Friday night and Saturday snow level 5,000 ft. Wednesday, 5,500 ft. Wednesday night, 5,000 ft. Thursday, 6,000 ft. Thursday night, 4,500 ft. Friday, 3,500 ft. Friday night, then 2,500 ft. Saturday highs 39-33 lows near 27.

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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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