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The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) that has kept us under a relatively calm weather pattern is moving Eastward away from us and a large trough of low pressure swinging in behind it. A frontal system pushed through and it will return as a warm front then other frontal systems will be following behind it (positions shown are for Wednesday). Remember that, particularly this time of the year, often when it’s not raining it is usually fogging.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 4 AM UNTIL 10 PM MONDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH WIND WARNING IS IN EFFECT FROM 8 AM UNTIL 8 PM MONDAY FOR THE NORTH AND CENTRAL OREGON COAST AND THE NORTH AND CENTRAL COAST RANGE. A HIGH WIND WARNING IS IN EFFECT FROM 10 AM MONDAY UNTIL 4 PM TUESDAY FOR CENTRAL AND EASTERN LAKE COUNTY.  A WIND ADVISORY IS IN EFFECT FROM 4 AM UNTIL 10 PM MONDAY FOR JACKSON COUNTY.  A WIND ADVISORY IS IN EFFECT FROM 10 AM UNTIL 4 PM MONDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.  A WINTER STORM WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON FOR THE NORTH OREGON CASCADES  INCLUDING THE CASCADES OF LANE COUNTY. A WINTER STORM WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY MORNING FOR THE SOUTH CENTRAL OREGON CASCADES AND SOUTH CASCADES AND THE SISKIYOU MOUNTAINS AND FROM TUESDAY MORNING UNTIL WEDNESDAY MORNING FOR  NORTHERN AND EASTERN KLAMATH COUNTY,  CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

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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 rain likely (60%) this evening (0.10 in. of rain possible) cloudy with rain redeveloping Monday (0.25 in. of rain possible) and windy (wind: S 20-30 mph),  rain (0.75 in. of rain possible) Monday night and windy (wind: S 20-30 mph shifting to SW 15 mph late), periods of rain Tuesday (0.50 in. of rain possible), and showers likely (60%) Tuesday night (0.25 in. of rain possible) lows 39-32 highs 54-44. Mostly cloudy with showers likely (60%) Wednesday, mostly cloudy with a (40%) chance of showers Wednesday night through Friday night, (40%) Friday night and Saturday, and (30%) Saturday night and Sunday highs 45-50 lows near 30. (seasonal  averages high 51 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with a slight (20%) chance of rain this evening, mostly cloudy with a slight (20%) chance of AM rain Monday, rain likely (60%) in the afternoon and breezy (wind: S 15-25 mph gusts to 40 mph), rain  (snow level 3,500 ft. falling to 3,000 ft. late Monday night) and breezy (wind: S 15-25 mph gusts to 40 mph) Monday night, rain Tuesday (snow level 2,500 ft.), rain and snow Tuesday evening, rain and snow likely (60%) late Tuesday night (snow level 1,500 ft.) lows 40-33 highs 55-47. Mostly cloudy with snow and rain likely (60%) Wednesday AM, snow and rain showers Wednesday afternoon, rain and snow showers likely (60%) Wednesday night and Thursday, a good (50%) chance of rain and snow showers Thursday night through Sunday highs 45-48 cooling to near 45 Sunday lows 33-38. (seasonal averages high 55 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (40%) chance of rain this evening and breezy (wind: S 20-30 mph at the beaches S 10-20 mph inland, gusts to 40 mph late tonight), cloudy with a slight (20%) chance of rain Monday AM, then rain in the afternoon and windy (wind: S 25-35 mph at the shore, S 20-30 mph inland), rain and windy (wind: S 25-35 mph gusts to 50 mph shifting SW 20-25 mph gusts to 40 mph late at night) Monday night, mostly cloudy with rain (snow level 2,000 ft. in the afternoon) and breezy (wind: Sw  20-25 mph) Tuesday, coastal rain Tuesday night, evening rain then rain and snow  likely (60%) late Tuesday night inland lows 45-37 highs 56-47. Mostly cloudy with AM rain likely (60%) Wednesday, showers likely (60%) Wednesday evening, rain and snow showers likely (60%) late at night, showers likely (60%) Thursday,  mostly cloudy with a (40%) chance of showers Thursday night, a good (50%) chance of showers Friday through Saturday, showers likely (60%) Saturday night, a good (50%) chance of rain and snow showers Sunday AM, then a good (50%) chance of showers Sunday afternoon highs 47-52 lows 35-40. (seasonal averages high 55 low 41).

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Forecast for the Cascades of Lane County:  Mostly cloudy rain likely this evening (2 in.. of snow possible, 0.10 in. of rain possible),  cloudy with rain redeveloping Monday (2-5 in. of snow possible) and windy (wind: S 15-20 mph increasing to S 20-30 mph gusts to 45 mph higher elevations),  snow and rain Monday night (5-10 in. of snow possible) and windy (wind: S 20-30 mph), periods of snow Tuesday (5-9 in. of snow possible), snow showers in the evening, and snow showers likely (60%) Tuesday night (3-6 in. of snow possible) snow level 5,500 ft. tonight, 4,500 ft. Monday afternoon, 3,500 ft.  Monday night,  2,500 ft. Tuesday, and at the surface Tuesday night lows 30-23 highs 40-33. Mostly cloudy with a snow showers likely (60%) Wednesday through Thursday, then mostly cloudy with a good (50%) chance of snow showers Thursday night through Sunday snow level at the surface Wednesday and Wednesday night, 2,500 ft. Thursday, and down to the surface through, then 3,000 ft. Saturday through Sunday highs 30-38 lows 20-24.

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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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The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) that has kept us under a relatively calm weather pattern is moving Eastward away from us and a large trough of low pressure swinging in behind it.  The next frontal system is pushing through with other frontal systems following behind it (positions shown are for Tuesday). Remember that, particularly this time of the year, often when it’s not raining it is usually fogging.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 5 AM UNTIL 10 PM MONDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A WIND ADVISORY IS IN EFFECT FROM 4 AM UNTIL 10 PM MONDAY FOR JACKSON COUNTY AND THE KLAMATH BASIN. A HIGH WIND WARNING IS IN EFFECT FROM 10 AM MONDAY UNTIL 4 PM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

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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: Cloudy with rain likely (60%) this AM, a (40%) chance of afternoon rain (0.10 in. of rain possible), a (30%) chance of rain this evening (0.10 in. of rain possible) and again Monday AM, rain likely (60%) Monday afternoon (0.25 in. of rain possible), then rain Monday night (0.50 in. of rain possible) and windy (wind: S 15-25 mph gusts to 35 mph), periods of rain Tuesday, and showers likely (60%) Tuesday night highs 53-45 lows 38-33. Mostly cloudy with showers likely (60%) Wednesday and Wednesday night, then a good (50%) chance of showers Thursday through Saturday highs 49-44 lows 34-30. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Cloudy with rain likely (60%) this AM, a (40%) chance of rain this afternoon, mostly cloudy tonight, mostly cloudy with a slight (20%) chance of AM rain Monday, rain likely (60%) in the afternoon, rain and breezy (wind: S 15-25 mph gusts to 40 mph in the evening) Monday night (snow level 3,500 ft. falling to 3,000 ft. late) highs 58-53 lows 42-38. Mostly cloudy with rain Tuesday, rain and snow showers Tuesday evening, rain and snow showers likely (60%) Tuesday night through Thursday, rain and snow showers likely (60%) Thursday night and Friday AM, then a good (50%) chance of rain and snow showers Friday night and  and a (30%) chance Saturday highs 45-42 rising to near 50 Saturday lows 37-32. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with AM coastal rain today, AM rain likely (60%) inland, a good (50%) chance of rain this afternoon, a slight (20%) chance of coastal rain this evening and breezy (wind: S 15-25 mph at the beaches S 10-20 mph inland, gusts to 40 mph late tonight), a slight (20%) chance of rain Monday AM, then rain and windy (wind: S 25-35 mph at the shore, S 20-30 mph inland) Monday afternoon, and  rain and windy (wind: S 25-35 mph gusts to 50 mph shifting SW 20-25 mph gusts to 40 mph late at night) Monday night, mostly cloudy with rain and breezy (wind: Sw 15-25 mph) Tuesday, evening showers, then showers likely (60%) Tuesday night highs 56-45 lows 43-38. Mostly cloudy with showers likely (60%) Wednesday and Wednesday evening, rain and snow showers late at night, showers likely (60%) Thursday,  a (40%) chance of rain and snow showers Thursday night and a good (50%) chance Friday, then a  good (50%) chance of showers Friday night, and a (30%) chance of showers Saturday highs 44-50 lows 35-39. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County:  Periods of AM rain and snow, then rain likely (60%) this afternoon (1-2 in. of snow possible), a slight (20%) chance of rain this evening, then just mostly cloudy tonight, mostly cloudy with a slight (20%) chance of rain Monday AM, rain and snow likely (60%) Monday afternoon, rain and snow Monday night (3-7 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 35 mph), periods of snow Tuesday, and snow showers likely (60%) Tuesday night snow level 4,000 ft. rising to 5,500 ft.  today, 6,000 ft. tonight, 5,000 ft. Monday afternoon, 3,500 ft.  Monday night, 3,000 ft. Tuesday, and 2,500 ft. Tuesday night highs 43-33 lows 30-24. Mostly cloudy with a snow showers likely (60%) Wednesday through Thursday, mostly cloudy with snow showers likely (60%) Thursday, then a good (50%) chance of snow showers Thursday night through Saturday snow level 2,500 ft. Wednesday and Saturday, at the surface Thursday night through Friday night highs 34-40 lows 23-27.

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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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The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) that has kept us under a relatively calm weather pattern is moving Eastward away from us.  The next frontal system (shown offshore) will start moving through with other frontal systems following behind it (positions shown are for Tuesday). Remember that, particularly this time of the year, often when it’s not raining it is usually fogging.

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Advisories:  A WINTER WEATHER ADVISORY IS IN EFFET FROM 8 PM TONIGHT UNTIL 4 AM SUNDAY ABOVE  5,000 FT. FOR THE NORTH CASCADES NOT INCLUDING THE CASCADES OF LANE COUNTY. A HIGH WIND WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE BEACHES AND HEADLANDS OF THE NORTH AND CENTRAL OREGON COAST AND THE NORTH AND CENTRAL COAST RANGE. A HIGH WIND WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH WIND WATCH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY EVENING FOR JACKSON COUNTY. A HIGH WIND WATCH IS IN EFECT FROM MONDAY MORNING THROUGH TUESDAY AFTERNOON FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

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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 rain beginning this evening and increasing tonight (0.50 in. of rain possible), mostly cloudy with rain likely (60%) Sunday, a (30%) chance of rain Sunday evening (0.10 in. of rain possible) and again Monday AM, rain likely (60%) Monday afternoon (0.25 in. of rain possible), then rain Monday night (0.50 in. of rain possible) and windy (wind: S 15-25 mph gusts to 35 mph), periods of rain Tuesday, and showers likely (60%) Tuesday night lows 40-33 highs 53-45. Mostly cloudy with showers likely (60%) Wednesday and Wednesday night, then a good (50%) chance of showers Thursday through Saturday highs 49-44 lows 34-30. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with a good (50%) chance of rain this evening, rain late tonight and breezy (wind: S 15-25 mph decreasing to S 10-15 mph very late), cloudy with rain likely (60%) Sunday AM, a (40%) chance of rain Sunday afternoon, mostly cloudy Sunday night, mostly cloudy with a slight (20%) chance of AM rain Monday, rain likely (60%) in the afternoon, rain and breezy (wind: S 15-25 mph gusts to 40 mph in the evening) Monday night (snow level 3,500 ft. falling to 3,000 ft. late) lows 45-38 highs 58-53. Mostly cloudy with rain Tuesday, rain and snow showers Tuesday evening, rain and snow showers likely (60%) Tuesday night through Thursday, rain and snow showers likely (60%) Thursday night and Friday AM, then a good (50%) chance of rain and snow showers Friday night and  and a (30%) chance Saturday highs 45-42 rising to near 50 Saturday lows 37-32. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (30%) chance of rain this evening, rain late tonight and windy (wind: S 20-30 mph decreasing to S 15-20 mph late at night), cloudy with AM coastal rain Sunday, AM rain likely (60%) inland, a good (50%) chance of rain Sunday afternoon, a slight (20%) chance of coastal rain Sunday evening, a slight (20%) chance of rain Monday AM, then rain and windy (wind: S 20-30 mph gusts to 45 mph in the afternoon) Monday afternoon, and  rain and windy (wind: S 25-35 mph gusts to 50 mph shifting SW 20-25 mph gusts to 40 mph late at night) Monday night, mostly cloudy with rain and breezy Tuesday, evening showers, then showers likely (60%) Tuesday night lows 49-38 highs 56-45. Mostly cloudy with showers likely (60%) Wednesday, rain and snow showers likely (60%) Wednesday night, showers likely (60%) Thursday,  a (40%) chance of rain and snow showers Thursday night and a good (50%) chance Friday, then a  good (50%) chance of showers Friday night, and a (30%) chance of showers Saturday highs 44-50 lows 35-39. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County:  Cloudy with a (30%) chance of rain this evening, rain and snow late tonight (2-4 in. of snow possible), periods of AM rain and snow, then rain likely (60%) Sunday afternoon (1-2 in. of snow possible), a slight (20%) chance of rain Sunday evening, then just mostly cloudy, mostly cloudy with a slight (20%) chance of rain Monday AM, rain and snow likely (60%) Monday afternoon, rain and snow Monday night (3-7 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 35 mph), periods of snow Tuesday, and snow showers likely (60%) Tuesday night snow level 5,000 ft. falling to 4,500 ft. late tonight, 4,500 ft. rising to 6,000 ft. Sunday, 6,000 ft. Sunday night, 5,000 ft. Monday afternoon, 3,500 ft.  Monday night, 3,000 ft. Tuesday, and 2,500 ft. Tuesday night lows 30-24 highs 43-33. Mostly cloudy with a snow showers  likely (60%) Wednesday through Thursday, mostly cloudy with snow showers likely (60%) Thursday, then a good (50%) chance of snow showers Thursday night through Saturday snow level 2,500 ft. Wednesday and Saturday, at the surface Thursday night through Friday night highs 34-40 lows 23-27.

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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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Sorry, but no winner this week. Here is the question again. What is a blocking ridge? Here is the answer.  Blocks in meteorology are large scale patterns in the atmospheric pressure field that are nearly stationary, effectively “blocking” or redirecting migratory cyclones. They are also known as blocking highs or blocking anticyclones.^[1] These blocks can remain in place for several days or even weeks, causing the areas affected by them to have the same kind of weather for an extended period of time (e.g.- precipitation for some areas, clear skies for others).^[2] In the Northern Hemisphere, extended blocking occurs most frequently in the spring over the eastern Pacific and Atlantic oceans.^[1] (From Wikipedia)

I’ll have another weather quiz question for you starting next Monday. Please post your answer as a comment by clicking on “no 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.

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The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) that has kept us under a relatively calm weather pattern is moving Eastward away from us.  The next frontal system (shown offshore) should move in by late today with other frontal systems following behind it (positions shown are for Monday). Remember that, particularly this time of the year, often when it’s not raining it is usually fogging.

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Advisories: A HIGH WIND WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH WIND WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY AFTERNOON FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

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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 today, rain likely (60%) this evening, rain  tonight (0.50 in. of rain possible), mostly cloudy with rain likely (60%) Sunday, a (30%) chance of rain Sunday evening and again Monday AM, rain likely (60%) Monday afternoon, then rain Monday night highs 55-52 lows 43-36. Mostly cloudy with rain likely (60%) Tuesday, showers likely (60%) Tuesday night through Wednesday night, then a good (50%) chance of showers Thursday through Friday highs 49-44 lows 34-30. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy today, a good (50%) chance of rain this evening, rain late tonight, mostly cloudy with a good (50%) chance of rain Sunday, a slight (20%) chance of rain Sunday evening, cloudy with a slight (20%) chance of AM rain Monday, then rain in the afternoon and Monday night highs 58-53 lows 43-36. Mostly cloudy with rain and windy Tuesday, showers Tuesday night, showers likely (60%) Wednesday through Thursday, rain and snow showers likely (60%) Thursday night and Friday AM, then showers likely (60%) Friday afternoon highs 49-45 lows 37-32. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy today, cloudy with coastal rain likely (60%) this evening, a (40%) chance of rain inland, rain late tonight and windy (wind: S 20-30 mph decreasing to S 15-20 mph late at night at the shore), mostly cloudy with AM rain likely (60%), and a good (50%) chance of rain Sunday afternoon, a good (50%) chance of rain inland,  a (30%) chance of rain Sunday evening, a slight (20%) chance of rain Monday AM, then rain and windy (wind: S 20-30 mph gusts to 45 mph in the afternoon) Monday afternoon, and  rain and windy Monday night highs 57-52 lows 45-38. Mostly cloudy with rain and windy Tuesday, showers and colder Tuesday night, showers likely (60%) Wednesday, rain and snow showers likely (60%) Wednesday night, showers likely (60%) Thursday, rain and snow showers likely (60%) Thursday night and Friday AM, then showers likely (60%) Friday afternoon highs 50-45 lows near 38. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County:  Mostly cloudy today and breezy (wind: S 5-15 mph increasing to SW 15-25 mph this afternoon), cloudy with a slight (20%) chance of rain this evening, rain late tonight (0.25 in. of rain possible), AM rain, then rain likely (60%) Sunday afternoon (1-3 in. of snow possible, 0.25 in. of rain possible),  a (40%) chance of rain Sunday evening, a slight (20%) chance of ran late Sunday night, mostly cloudy with a good (50%) chance of rain Monday AM, rain likely (60%) Monday afternoon (1 in. of snow possible, 0.10 in. of rain possible), then rain and snow Monday night free air freezing level  7,000 ft. today, snow level 5,500 ft. falling to 5,000 ft. late tonight, 5,000 ft. Sunday, 5,500 ft.  Sunday night, 4,500 ft. Monday and Monday night highs 46-40 lows 30-27. Mostly cloudy with snow Tuesday, snow showers likely (60%) Tuesday night through Thursday, then mostly cloudy with a good (50%) chance of snow showers Thursday, mostly cloudy with snow showers likely (60%) Thursday night and a good (50%) chance of snow showers Friday snow level 2,500 ft. Tuesday, falling to the surface and holding there from Tuesday night through Friday highs near 36 lows near 25.

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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.

________________

This is your last chance to win by correctly answering my weekly weather quiz question. Here it is. What is a blocking ridge?  Please post your answer as a comment by clicking on “no 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.

________________

The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) is keeping us under a relatively calm weather pattern through the rest of the week. Remember that, particularly this time of the year, often when it’s not raining it is usually fogging. The next frontal system (shown offshore) should move in Saturday with other frontal systems following behind it (positions shown are for Monday).

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Advisories: NONE AT THIS TIME.

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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 tonight and Saturday, rain likely (60%) Saturday evening, rain  Saturday night (0.50 in. of rain possible), mostly cloudy with AM rain likely (60%) Sunday, a good (50%) chance of afternoon rain (0.25 in. of rain possible), a slight (20%) chance of rain Sunday evening, rain likely (60%) Monday, then rain Monday night lows 34-43 cooling to 40 Sunday night and 35 Monday night highs 52-55. Mostly cloudy with rain likely (60%) Tuesday, showers likely (60%) Tuesday night through Thursday, then a good (50%) chance of showers Thursday night and Friday highs 49-44 lows 33-30. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy tonight, mostly cloudy with a slight (20%) chance of rain Saturday afternoon, rain likely (60%) in the evening, rain late Saturday night, mostly cloudy with a good (50%) chance of rain Sunday, a slight (20%) chance of rain Sunday evening, cloudy with a slight (20%) chance of AM rain Monday, then rain in the afternoon and Monday night lows near highs 59-55. Mostly cloudy with rain Tuesday, rain and snow showers Tuesday night through Friday highs 49-45 lows 37-32. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy tonight, mostly cloudy with a slight (20%) chance of rain Saturday afternoon, rain likely (60%) in the evening, rain Saturday night, mostly cloudy with AM coastal rain likely (60%), and a good (50%) chance of rain Sunday afternoon, a good (50%) chance of rain inland,  a (30%) chance of rain Sunday evening, then rain and breezy Monday and Monday night lows 42-47 cooling to 43 Monday night highs 54-50 warming to 56 Monday. Mostly cloudy with rain and breezy Tuesday, showers and colder Tuesday night, showers likely (60%) Wednesday, rain and snow showers likely (60%) Wednesday night, showers likely (60%) Thursday, rain and snow showers likely (60%) Thursday night and Friday AM, then showers likely (60%) Friday afternoon highs 50-45 lows near 38. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County:  Mostly cloudy tonight, mostly cloudy with a slight (20%) chance of rain mainly North Saturday afternoon, cloudy with rain increasing and moving Southward Saturday night (0.50 in. of rain possible), AM rain, then rain likely (60%) Sunday afternoon (1-3 in. of snow possible, 0.25 in. of rain possible),  a slight (20%) chance of rain Sunday night, mostly cloudy with rain Monday, then rain and snow Monday night free air freezing level 8,000 ft. tonight and Saturday, 7,000 ft. falling to 6,000 ft. Saturday late night, 6,000 ft. Sunday and Sunday night, 5,500 ft. Monday, and 4,500 ft. Monday night lows 27-32 highs near 43. Mostly cloudy with occasional snow Tuesday, snow showers likely (60%) Tuesday night through Thursday, then mostly cloudy with a good (50%) chance of snow showers Thursday night and Friday snow level 2,500 ft. Tuesday, falling to the surface and holding there from Tuesday night through Friday highs near 35 lows 27-22.

_________________

**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.

________________

It’s time for my new weekly weather quiz question. Here it is. What is a blocking ridge?  Please post your answer as a comment by clicking on “no 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.

________________

The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) is keeping us under a relatively calm weather pattern through the rest of the week. Remember that, particularly this time of the year, often when it’s not raining it is usually fogging. The next major frontal system should move in between tonight and Saturday with another one behind it (positions shown are for Sunday).

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Advisories: NONE AT THIS TIME.

________________

Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Areas of patchy fog and freezing this AM, a mix of clouds and sun today, mostly cloudy tonight, cloudy with a (60%) chance of rain Saturday (0.10 in. of rain possible), rain Saturday night (0.10 in. of rain possible), a good (50%) chance of rain Sunday, then a slight (20%) chance of rain Sunday night highs 50-54 lows 32-39. Mostly cloudy with a good (50%) chance of rain Monday, rain likely (60%) Monday night and Tuesday, then showers likely (60%) Tuesday night through Thursday highs 54-44 lows 38-32. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog early this  AM, mostly cloudy this afternoon and tonight, cloudy with a (30%) chance of rain Saturday, rain Saturday night (snow level 3,500 ft. late at night), mostly cloudy with a (40%) chance of rain Sunday,then  a slight (20%) chance of rain Sunday night highs 55-58-54 lows 38-42. Mostly cloudy with rain likely (60%) Monday through Tuesday night, rain and snow Wednesday, then rain and snow likely (60%) Wednesday night, and rain and snow showers likely (60%) Thursday highs 56-46 lows 40-35. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:Mostly cloudy today and tonight, cloudy with a slight (20%) chance of rain  Saturday AM, rain likely (60%) Saturday afternoon and breezy (wind: SW 15-25 mph), coastal rain Saturday night, and rain likely (60%) inland Saturday night, cloudy with a (60%) chance of rain Sunday, and a slight (20%) chance of rain Sunday night highs 50-56 lows 42-46.  Mostly cloudy with rain likely (60%) Monday, then rain Monday night through Wednesday, rain likely (60%) Wednesday night, and showers likely (60%) Thursday highs 49-56 lows 56-49. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: A mix of clouds and sun today, mostly cloudy tonight, cloudy with a good (50%) chance of rain Saturday (0.10 in. of rain possible) and windy (wind: SW 10-15 mph gusts to 30 mph increasing to SW 20-30 mph in the afternoon), rain and a good (50%) chance of snow Saturday night (3-6 in. of snow possible) and breezy Wind: SW 15-25 mph), a good (50%) chance of rain Sunday, then a slight (20%) chance of rain Sunday night free air freezing level 8,000 ft. today,  7,500 ft. tonight, snow level 6,000 ft. Saturday, and  5,000 ft. Saturday night, 6,000 ft. Sunday, and  5,500 ft. Sunday night highs 47-40 lows 30-27. Mostly cloudy with rain likely (60%) Monday,  mostly cloudy with rain and snow likely (60%)  Monday night and Tuesday, then snow showers likely (60%) Tuesday night through Thursday snow level 5,000 ft.  Monday, 4,000 ft. Monday night, 3,500 ft. Tuesday, falling to 2,500 ft. Tuesday night, and at the surface Wednesday through Thursday highs 42-35 lows 27-22.

_________________

**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.

________________

It’s time for my new weekly weather quiz question. Here it is. What is a blocking ridge?  Please post your answer as a comment by clicking on “no 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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The jet stream shows a high pressure ridge ( “arch” shaped area over the Pacific Northwest) is keeping us under a relatively calm weather pattern through the rest of the week. Remember that, particularly this time of the year, often when it’s not raining it is usually fogging. The next major frontal system should move in between Friday night and Saturday with another one behind it (positions shown are for Sunday).

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Advisories: NONE AT THIS TIME.

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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 clear this evening, areas of patchy fog and freezing late tonight and Friday AM, a mix of clouds and sun Friday, mostly cloudy Friday night, cloudy with a (60%) chance of rain Saturday (0.10 in. of rain possible), rain Saturday night (0.10 in. of rain possible), a good (50%) chance of rain Sunday, then a slight (20%) chance of rain Sunday night lows 27-39 highs 50-54. Mostly cloudy with a good (50%) chance of rain Monday, rain likely (60%) Monday night and Tuesday, then showers likely (60%) Tuesday night through Thursday highs 54-44 lows 38-32. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog late tonight and early Friday AM, mostly cloudy Friday afternoon and Friday night, cloudy with a (30%) chance of rain Saturday, rain Saturday night (snow level 3,500 ft. late at night), mostly cloudy with a (40%) chance of rain Sunday,then  a slight (20%) chance of rain Sunday night lows 33-42 highs 55-58-54. Mostly cloudy with rain likely (60%) Monday through Tuesday night, rain and snow Wednesday, then rain and snow likely (60%) Wednesday night, and rain and snow showers likely (60%) Thursday highs 56-46 lows 40-35. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy

tonight, mostly cloudy Friday and Friday night, cloudy with a slight (20%) chance of rain  Saturday AM, rain likely (60%) Saturday afternoon and breezy (wind: SW 15-25 mph), coastal rain Saturday night, and rain likely (60%) inland Saturday night, cloudy with a (60%) chance of rain Sunday, and a slight (20%) chance of rain Sunday night lows 37-46 highs 50-56.  Mostly cloudy with rain likely (60%) Monday, then rain Monday night through Wednesday, rain likely (60%) Wednesday night, and showers likely (60%) Thursday highs 49-56 lows 56-49. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly clear tonight, a mix of clouds and sun Friday, mostly cloudy Friday night, cloudy with a (60%) chance of rain Saturday (0.10 in. of rain possible) and windy (wind: SW 10-15 mph gusts to 30 mph increasing to SW 20-30 mph in the afternoon), rain and a good (50%) chance of snow Saturday night (3-6 in. of snow possible) and breezy, a good (50%) chance of rain Sunday, then a slight (20%) chance of rain Sunday night free air freezing level rising to 7,500 ft. tonight, 8,000 ft. Friday,  7,500 ft. Friday night, snow level 6,000 ft. Saturday, and  5,000 ft. Saturday night, 6,000 ft. Sunday, and  5,500 ft. Sunday night lows 27-32 cooling to 27 Saturday night and Sunday night highs 47-40. Mostly cloudy with rain likely (60%) Monday,  mostly cloudy with rain and snow likely (60%)  Monday night and Tuesday, then snow showers likely (60%) Tuesday night through Thursday snow level  Monday, 4,000 ft. Monday night, 3,500 ft. Tuesday, falling to 2,500 ft. Tuesday night, and at the surface Wednesday through Thursday highs 42-35 lows 27-22.

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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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It’s time for my new weekly weather quiz question. Here it is. What is a blocking ridge?  Please post your answer as a comment by clicking on “no 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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The jet stream shows a high pressure ridge (shaded “arch” shape offshore) is aiming the airflow straight South toward the Pacific Northwest. The ridge will start to build in and that will keep us under a relatively calm weather pattern through the rest of the week. Remember that, particularly this time of the year, often when it’s not raining it is usually fogging. The next major frontal system should move in between Friday night and Saturday.

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Advisories:  A DENSE FOG  ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR THE GREATER PORTLAND-VANCOUVER AREA. A FROST ADVISORY IS IN EFFECT UNTIL 8 AM TODAY FOR THE SOUTH CENTRAL OREGON COAST, INCLUDING COOS BAY AND NORTH BEND.

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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 clear with areas of fog and freezing fog this AM, a mix of clouds and sun this afternoon, then partly cloudy with patchy fog tonight and Friday AM, a mix of clouds and sun Friday, and mostly cloudy Friday night highs 48-54 lows 30-36. Mostly cloudy with rain likely (60%) Saturday and Saturday night, mostly cloudy with a good (50%) chance of rain Sunday through Monday night, rain likely (60%) Tuesday, then showers likely (60%) Tuesday night and Wednesday highs 56-48 lows 42-37. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly clear with areas of fog and freezing fog this AM, sunny this aftenoon, mostly clear with patchy fog late at night and early Friday AM, mostly cloudy Friday afternoon and Friday night, a  slight (20%) chance of rain Saturday, then rain likely (60%) Saturday night highs 54-58 lows 34-39. Mostly cloudy with a (40%) chance of rain Sunday, a good (50%) chance of rain Sunday night and Monday, rain likely (60%) Monday night and Tuesday, rain and snow Tuesday night and Wednesday highs 50-56 cooling to near 40 Wednesday lows 42-34. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear

tonight with patchy fog this AM, sunny today, mostly clear this evening, partly cloudy tonight, mostly cloudy Friday and Friday night, mostly cloudy with a good (50%) chance of rain and breezy Saturday, then rain likely (60%) and breezy Saturday night highs 50-56 cooling to 45 by Wednesday lows 37-45. Mostly cloudy with rain likely (60%) Sunday and Sunday night, then rain Monday through Tuesday night, and rain and snow Wednesday highs 49-56 lows 45-38. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly sunny today, partly cloudy tonight, a mix of clouds and sun Friday, mostly cloudy Friday night, mostly cloudy with rain likely (60%) Saturday, and rain and snow likely (60%) Saturday night free air freezing level rising to 7,000 ft. this afternoon, 8,000 ft. tonight and Friday,  7,500 ft. falling to 7,000 ft. Friday night, snow level 5,000 ft. Saturday, and 3,500 ft. Saturday night highs 46-40 lows 27-32. Mostly cloudy with a good (50%) chance of snow Sunday, a good (50%) chance of rain and snow Sunday night through Monday night, mostly cloudy with rain and snow likely (60%) Tuesday, then snow showers likely (60%) Tuesday night and Wednesday snow level 4,000 ft. Sunday and Sunday night, 4,500 ft. Monday, 4,000 ft. Monday night and Tuesday, falling to 2,500 ft. Tuesday night, and at the surface Wednesday highs 40-35 lows 27-22.

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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.

________________

It’s time for my new weekly weather quiz question. Here it is. What is a blocking ridge?  Please post your answer as a comment by clicking on “no 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.

________________

The jet stream shows a high pressure ridge (shaded “arch” shape offshore) is aiming the airflow straight South toward the Pacific Northwest. The ridge will start to build in and that will keep us under a relatively calm weather pattern through the rest of the week. Remember that, particularly this time of the year, often when it’s not raining it is usually fogging. The next major frontal system should move in between Friday night and Saturday.

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Advisories:  A FROST ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 8 AM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST, INCLUDING COOS BAY AND NORTH BEND.

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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 clear with areas of fog and freezing fog late tonight and Thursday AM, a mix of clouds and sun Thursday afternoon, then partly cloudy with patchy fog Thursday night and Friday AM, a mix of clouds and sun Friday, and mostly cloudy Friday night lows 26-36 highs 48-54. Mostly cloudy with rain likely (60%) Saturday and Saturday night, mostly cloudy with a good (50%) chance of rain Sunday through Monday night, rain likely (60%) Tuesday, then showers likely (60%) Tuesday night and Wednesday highs 56-48 lows 42-37. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly clear with areas of fog and freezing fog late tonight and Thursday AM, sunny Thursday, mostly clear with patchy fog late at night and early Friday AM, mostly cloudy Friday afternoon and Friday night, a  slight (20%) chance of rain Saturday, then rain likely (60%) Saturday night lows 30-39 highs 54-58. Mostly cloudy with a (40%) chance of rain Sunday, a good (50%) chance of rain Sunday night and Monday, rain likely (60%) Monday night and Tuesday, rain and snow Tuesday night and Wednesday highs 50-56 cooling to near 40 Wednesday lows 42-34. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear

tonight with patchy fog late, sunny Thursday, mostly clear Thursday evening, partly cloudy Thursday night, mostly cloudy Friday and Friday night, mostly cloudy with a good (50%) chance of rain and breezy Saturday, then rain likely (60%) and breezy Saturday night lows 33-45 highs 50-56 cooling to 45 by Wednesday. Mostly cloudy with rain likely (60%) Sunday and Sunday night, then rain Monday through Tuesday night, and rain and snow Wednesday highs 49-56 lows 45-38. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly clear tonight, mostly sunny Thursday, partly cloudy Thursday night, a mix of clouds and sun Friday, mostly cloudy Friday night, mostly cloudy with rain likely (60%) Saturday, and rain and snow likely (60%) Saturday night free air freezing level 5,000 ft. tonight, rising to 7,000 ft. Thursday afternoon, 8,000 ft. Thursday night and Friday,  7,500 ft. falling to 7,000 ft. Friday night, snow level 5,000 ft. Saturday, and 3,500 ft. Saturday night lows 23-32 highs 46-40. Mostly cloudy with a good (50%) chance of snow Sunday, a good (50%) chance of rain and snow Sunday night through Monday night, mostly cloudy with rain and snow likely (60%) Tuesday, then snow showers likely (60%) Tuesday night and Wednesday snow level 4,000 ft. Sunday and Sunday night, 4,500 ft. Monday, 4,000 ft. Monday night and Tuesday, falling to 2,500 ft. Tuesday night, and at the surface Wednesday highs 40-35 lows 27-22.

_________________

**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.

________________

It’s time for my new weekly weather quiz question. Here it is. What is a blocking ridge?  Please post your answer as a comment by clicking on “no 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.

________________

The jet stream shows a high pressure ridge (shaded “arch” shape offshore) is aiming the airflow straight South toward the Pacific Northwest. The ridge will start to build in and that will keep us under a relatively calm weather pattern through the rest of the week. Remember that, particularly this time of the year, often when it’s not raining it is usually fogging. The next major frontal system should move in between Friday night and Saturday.

________________

Advisories:  NONE AT THIS TIME.

________________

Here are your detailed forecasts. **

_________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Patchy fog early this AM, a mix of clouds and sun this afternoon, and partly cloudy tonight with areas of fog late at night and Thursday AM, a mix of clouds and sun Thursday afternoon, then partly cloudy with patchy fog Thursday night highs 48-54 lows 28-35. A mix of clouds and sun Friday, mostly cloudy Friday night, mostly cloudy with rain likely (60%) Saturday and Saturday night, mostly cloudy with a (40%) chance of rain Sunday through Monday night, and rain likely (60%) Tuesday highs 56-48 lows 42-37. (seasonal  averages high 50 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog this AM, s at least partly cloudy this afternoon,  mostly clear tonight with areas of fog and freezing fog, mostly clear tonight, areas of fog and freezing fog late tonight and Thursday AM, sunny Thursday,  partly cloudy with patchy fog late at night and early Friday AM, mostly cloudy Friday, a  slight (20%) chance of rain late Friday night highs 48-57 lows 32-39. Mostly cloudy with a slight (20%) chance of rain Saturday, a good (50%) chance of rain Saturday night and Sunday, mostly cloudy with a (40%) chance of rain Sunday night, mostly cloudy with a good (50%) chance of rain Monday and Monday night, then rain likely (60%) Tuesday highs 58-52 rising to near 55 Monday and back to near 50 Tuesday lows 38-42. (seasonal averages high 54 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear with areas of patchy fog this AM, sunny this afternoon, mostly clear with areas of fog late tonight, sunny Thursday, partly cloudy Thursday night, mostly cloudy Friday, then mostly cloudy with a (30%) chance of rain late Friday night highs 52-59 cooling to 54 Friday lows 36-45. Mostly cloudy with a good (50%) chance of rain Saturday, rain likely (60%) Saturday night and Sunday, a good (50%) chance of rain Sunday night, then mostly cloudy rain likely (60%) Monday through Tuesday highs 49-56 cooling to 49 Tuesday lows near 45. (seasonal averages high 54 low 41).

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Forecast for the Cascades of Lane County: Mostly sunny today and Thursday, mostly clear tonight, partly cloudy Thursday night, a mix of clouds and sun Friday, mostly cloudy Friday night free air freezing level 3,000 ft. today, 7,000 ft. tonight, 8,000 ft. Thursday, 9,000 ft. Thursday night and Friday, and 7,500 ft. Friday night highs 42-49 lows 24-32. Mostly cloudy with snow and rain likely (60%) Saturday and Saturday night, a good (50%) chance of snow Sunday, a good (50%) chance of rain and snow through Monday night, and mostly cloudy with rain and snow likely (60%) Tuesday snow level 4,500 ft. Saturday, and 3,500 ft. Saturday night, 2,500 ft. Sunday, 3,500 ft. Sunday night, and 4,500 ft. Monday, 5,000 ft. Monday night, and 4,000 ft. Tuesday highs 42-37 lows 28-25.

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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.