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Here is my new weekly weather quiz question. Here are some hurricane names: Audrey, Agnes, Anita, Allen, Alicia, Andrew, Allison, Betsy, Beulah, and Bob. What do these hurricane names have in common? Please post your answer as a comment after the forecasts on  this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

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The upper air flow (yellow jet stream and dark colors for winds) shows a high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with lots of sunshine for a while. A trough of low pressure will slide in behind the ridge toward the weekend.  A  warm front is warming us up a bit and bringing some rain with it. Another  frontal system will bring the chance of rain back by late Thursday and Friday.

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Advisories:   A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL UNTIL 8 AM TODAY FOR THE COAST RANGE OF NORTHWESTERN OREGON. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE WESTERN COLUMBIA GORGE AND THE UPPER HOOD RIVER VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE SOUTH WILLAMETTE VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, NORTHERN, CENTRAL, WESTERN,  AND EASTERN KLAMATH COUNTY,  THE KLAMATH BASIN, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY. A DENSE FOG ADVISORY IS IN EFFECT UNTIL 8 AM TODAY FOR EASTERN CURRY C OUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, AND THE KLAMATH BASIN.

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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 patchy fog early this AM and rain becoming likely (60%) this afternoon, a (30%) chance of rain this evening, a slight (20%) chance of rain tonight, patchy AM fog, then mostly cloudy Thursday and Thursday night, mostly cloudy with rain likely (60%) Friday (0.25 in. of rain possible),  and showers likely (60%) Friday night highs 43-48 lows 34-38. Mostly cloudy with a (40%) chance of rain Saturday through Sunday night,  a mix of clouds and sun Monday, then mostly cloudy with a (40%) chance of rain Monday night and Tuesday highs 40-44 lows 30-33. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog early this AM, mostly cloudy with a slight (20%) chance of rain this afternoon and evening, just mostly cloudy tonight through Thursday night,  mostly cloudy with a slight chance of AM rain, a good (50%) chance of rain Friday afternoon, then showers likely (60%) Friday night highs 44-49 lows 35-38. Cloudy with AM rain and snow showers likely (60%), then a good (50%) chance of rain and snow showers Saturday afternoon through Sunday, mostly cloudy with a  slight (20%) chance of rain and snow showers Sunday night, a slight (20%) chance of rain Monday, then mostly cloudy with a (40%) chance of rain and snow Monday night and Tuesday highs 44-49 lows 29-36. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a slight (20%) chance of rain today and this evening, just mostly cloudy Thursday and Thursday night with a slight (20%) chance of coastal rain late Thursday night, cloudy with a (40%) chance of AM rain Friday, rain likely (60%) Friday afternoon and in the evening, then showers likely (60%) Friday night highs 50-53 lows near 40. Cloudy with showers likely (60%) Saturday AM, a good (50%) chance of showers Saturday afternoon and night, (30%) Sunday, and mostly cloudy with a slight (20%) chance of rain Sunday night and Monday, then a good (50%) chance of rain Monday night and Tuesday highs 45-52 lows 35-40. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy with a (40%) chance of AM freezing rain mainly North diminishing in the afternoon, snow or rain likely (60%) mainly North today (2-5 in. of snow possible mainly North), rain likely (60%) tonight, mostly cloudy with a slight (20%) chance of rain mainly North Thursday and a slight (20%) chance Thursday night,  a (%) chance of rain Friday AM, then increasing rain in the afternoon, snow showers likely (60%) Friday night snow level 3,000 ft. rising to 4,000 ft. this afternoon, rising to 6,500 ft. tonight, and 7,000 ft. Thursday and Thursday night, 5,500 ft. falling to 5,000 ft. Friday afternoon, and 2,500 ft. Friday evening highs 34-38 lows near 32-25. Mostly cloudy with snow showers likely (60%) Saturday, mostly cloudy with a good (50%) chance of snow showers Saturday night, (40%) Sunday, and (30%) Sunday night, a mix of clouds and sun Monday, then mostly cloudy with a (40%) chance of snow Monday night and Tuesday snow level at the surface Saturday through Sunday night, free air freezing level 3,000 ft. Thursday, and back down to the surface Monday night and Tuesday highs 30-34 lows 22-25.

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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.

_______________

Here is my new weekly weather quiz question. Here are some hurricane names: Audrey, Agnes, Anita, Allen, Alicia, Andrew, Allison, Betsy, Beulah, and Bob. What do these hurricane names have in common? Please post your answer as a comment after the forecasts on  this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

________________

The upper air flow (yellow jet stream and dark colors for winds) shows a high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with lots of sunshine for a while. A trough of low pressure will slide in behind the ridge toward the weekend.  A new frontal system will bring the chance of rain back by late Thursday and Friday.

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Advisories:   A WINTER WEATHER ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON WEDNESDAY FOR THE WESTERN COLUMBIA GORGE AND THE UPPER HOOD RIVER VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE SOUTH WILLAMETTE VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, NORTHERN, CENTRAL, WESTERN,  AND EASTERN KLAMATH COUNTY,  THE KLAMATH BASIN, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

________________

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 a slight (20%) chance of rain (0.10 in of rain possible) late tonight with patchy fog late at night and early Wednesday AM, mostly cloudy with a good (50%) chance of rain Wednesday afternoon, and a (30%) chance of rain Wednesday night, mostly cloudy with a slight (20%) chance of rain Thursday and (40%) Thursday night, mostly cloudy with rain likely (60%) Friday and Friday night lows 34-38 highs near 45. Mostly cloudy with a (40%) chance of rain Saturday through Sunday night,  a mix of clouds and sun Monday, then mostly cloudy with a (40%) chance of rain Monday night and Tuesday highs 40-44 lows 30-33. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog late tonight early Wednesday AM, mostly cloudy with a slight (20%) chance of rain Wednesday afternoon and evening, just mostly cloudy Wednesday night through Thursday night,  mostly cloudy with a good (50%) chance of rain Friday, then showers likely (60%) Friday night lows 34-38 highs 40-48. Cloudy with AM rain and snow showers likely (60%), then a good (50%) chance of rain and snow showers Saturday afternoon through Sunday, mostly cloudy with a  slight (20%) chance of rain and snow showers Sunday night, a slight (20%) chance of rain Monday, then mostly cloudy with a (40%) chance of rain and snow Monday night and Tuesday highs 42-49 lows 30-34. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy tonight, cloudy with a slight (20%) chance of rain Wednesday and Wednesday evening, just mostly cloudy Thursday and Thursday night, cloudy with a (40%) chance of AM rain Friday, afternoon rain likely (60%), showers in the evening, then showers likely (60%) Friday night lows near 40 highs 50-53. Cloudy with showers likely (60%) Saturday AM, a good (50%) chance of showers Saturday afternoon and night, (30%) Sunday, and mostly cloudy with a slight (20%) chance of rain Sunday night and Monday, then a good (50%) chance of rain Monday night and Tuesday highs 45-52 lows 35-40. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of snow mainly North late tonight, snow or rain likely (60%) North Wednesday (3-6 in. of snow possible North), a (30%) chance of rain Wednesday night, mostly cloudy with a slight (20%) chance of rain Thursday and Thursday night, rain Friday, then snow and rain likely (60%) Friday night snow level 4,000 ft. tonight Wednesday and Wednesday, rising to 6,500 ft. Wednesday night, and 7,000 ft. Thursday and Thursday night, 5,000 ft. Friday, and 3,000 ft. Friday night lows near 30-32 highs 34-38. Mostly cloudy with  snow likely (60%) Saturday, mostly cloudy with a good (50%) chance of snow Saturday night, (40%) Sunday, and (30%) Sunday night, just mostly cloudy Monday, then mostly cloudy with a (40%) chance of snow Monday night and Tuesday snow level at the surface Saturday through Sunday night, free air freezing level 3,000 ft. Thursday, and back down to the surface Monday night and Tuesday highs 30-34 lows 22-25.

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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.

_______________

Here is my new weekly weather quiz question. Here are some hurricane names: Audrey, Agnes, Anita, Allen, Alicia, Andrew, Allison, Betsy, Beulah, and Bob. What do these hurricane names have in common? Please post your answer as a comment after the forecasts on  this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

________________

The upper air flow (yellow jet stream and dark colors for winds) shows a  low (yellow circle) moving through California as a high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with lots of sunshine for a while. A frontal system has been pushing along the Southern California coast giving them just what they don’t need, more rain. They have already suffered from flooding and mud slides caused by the heavy rain. A new frontal system will bring the chance of rain back by late Thursday.

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Advisories:   AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE SOUTH WILLAMETTE VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, NORTHERN, CENTRAL, WESTERN,  AND EASTERN KLAMATH COUNTY,  THE KLAMATH BASIN, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

________________

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 patchy fog and freezing fog this AM, a mix of clouds and sun this afternoon, mostly cloudy with a slight (20%) chance of rain and snow late tonight and early Tuesday AM with patchy fog and freezing fog late at night and early Wednesday AM also, then mostly cloudy Wednesday with a slight (20%) chance of rain in the evening, and mostly cloudy Wednesday  evening with a (30%) chance of rain, then just mostly cloudy Wednesday night and Thursday, and mostly cloudy with a slight (20%) chance of rain Thursday night highs 40-49 lows 32-37. Mostly cloudy with rain likely (60%) Friday, showers likely (60%) Friday night, and mostly cloudy with a good (50%) chance of showers Saturday through Monday highs 48-40 lows 38-32. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog and freezing fog this AM, mostly cloudy in the afternoon with some lingering fog, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late tonight with patchy fog and freezing fog late tonight and early Wednesday AM, then mostly cloudy with a slight (20%) chance of rain Wednesday afternoon and evening, mostly cloudy Wednesday night through Thursday night highs 38-45 lows near 36. Mostly cloudy with a good (50%) chance of rain Friday, rain likely (60%) Friday night, AM showers likely (60%), then a good (50%) chance of showers Saturday afternoon through Sunday, mostly cloudy with a (30%) chance of showers Sunday night, then a (40%) chance of rain Monday highs 50-45 lows 38-34. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  AM with clouds with patchy fog inland, mostly cloudy this afternoon, partly cloudy this evening with some lingering patchy fog, then just mostly cloudy with a slight (20%) chance of rain tonight, mostly cloudy Thursday and Thursday night highs 47-53 lows near 42. Mostly cloudy with a good (50%) chance of rain Friday, rain likely (60%) Friday night, cloudy with showers likely (60%) Saturday AM, a good (50%) chance of showers Saturday afternoon through Sunday night, and mostly cloudy with a (40%) chance of rain Monday highs 53-48 lows 42-36. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: A mix of clouds and sun today, partly cloudy this evening, mostly cloudy with a (30%) chance of snow mainly North late tonight, mostly cloudy with a (30%) chance snow South, rain and snow likely (60%) North 2-5 in. of snow possible, Wednesday, a (30%) chance of evening snow decreasing late at night, rain and snow likely (60%) North 1-3 in. of snow possible  free air freezing level 4,000 ft. today, 3,500 ft. tonight, snow level 4,000 ft. Wednesday and Wednesday night highs 32-35 lows near 28. Mostly cloudy with a slight (20%) chance of rain and snow mainly North Thursday, a slight (20%) chance of rain and snow Thursday night, rain and snow likely (60%) Friday, rain and snow showers likely (60%) Friday night, snow showers likely (60%) Saturday, then mostly cloudy with a good (50%) chance of snow Saturday night through Monday  snow level  4,500 ft. Thursday, 4,000 ft. Thursday night, 5,000 ft. Friday, falling to 3,000 ft. Friday night, and at the surface Saturday through Sunday highs 40-30 lows 30-25.

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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.

_______________

Here is my new weekly weather quiz question. Here are some hurricane names: Audrey, Agnes, Anita, Allen, Alicia, Andrew, Allison, Betsy, Beulah, and Bob. What do these hurricane names have in common? Please post your answer as a comment after the forecasts on  this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

________________

The upper air flow (yellow jet stream and dark colors for winds) shows a  low (yellow circle) moving through California as a high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with lots of sunshine for a while. A frontal system has been pushing through Southern California giving them just what they don’t need, more rain. They have already suffered from flooding and mud slides caused by the heavy rain. A new frontal system will bring the chance of rain back by late Thursday.

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Advisories:  A FREEZE WARNING IS IN EFFECT FROM 10 PM  TONIGHT UNTIL 9 AM TUESDAY FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 9 AM TUESDAY FOR THE SOUTH OREGON COAST (CURRY COUNTY COAST). AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE SOUTH WILLAMETTE VALLEY. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, NORTHERN, CENTRAL, WESTERN,  AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

________________

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, mostly cloudy with patchy fog and freezing fog late tonight and Tuesday AM, a mix of clouds and sun Tuesday afternoon, partly cloudy  in the evening, mostly cloudy with patchy fog and freezing fog late at night and early Wednesday AM, then mostly cloudy Wednesday with a slight (20%) chance of rain Wednesday afternoon and Wednesday night,  just mostly cloudy Thursday, and mostly cloudy with a slight (20%) chance of rain Thursday night lows 23-37 highs 40-49. Mostly cloudy with a good (50%) chance of rain Friday through Monday highs 48-42 lows 38-32. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy this evening, mostly cloudy with patchy fog and freezing fog late at night and Tuesday AM, partly cloudy in the afternoon with some lingering fog, partly cloudy in the evening, mostly cloudy with patchy fog and freezing fog late Tuesday night and early Wednesday AM, then just mostly cloudy Wednesday afternoon through Thursday night lows 28-38 highs 38-48. Mostly cloudy with a good (50%) chance of rain Friday, rain likely (60%) Friday night, AM showers likely (60%), then a good (50%) chance of showers Saturday through Sunday, mostly cloudy with a (40%) chance of showers Sunday night, then a (40%) chance of rain Monday highs 53-44 lows 38-34. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear tonight, sunny Tuesday AM with patchy fog inland, partly cloudy Tuesday afternoon and evening, then just mostly cloudy Tuesday night through Thursday night lows 30-40 highs 46-53. Mostly cloudy with a good (50%) chance of rain Friday, rain likely (60%) Friday night, cloudy with showers likely (60%) Saturday AM, a good (50%) chance of showers Saturday afternoon through Sunday night, and mostly cloudy with a (40%) chance of rain Monday highs 53-48 lows 42-36. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Partly cloudy tonight, a mix of clouds and sun Tuesday, partly cloudy Tuesday evening, mostly cloudy Tuesday night, mostly cloudy with a (30%) chance snow and a slight (20%) chance of light AM rain and freezing rain Wednesday, a (30%) chance of rain and snow with a slight (20%) chance of light freezing rain in the afternoon, mostly cloudy with a (30%) chance of rain and a slight (20%) chance of freezing rain in the evening, and a slight (20%) chance of rain late Wednesday night free air freezing level  3,000 ft. tonight,  4,000 ft. Tuesday, 4,500 ft. Tuesday night, 4,000 ft. Wednesday, rising to 5,500 ft. Wednesday night lows 20-30 highs 34-32. Mostly cloudy with a slight (20%) chance of rain and snow Thursday, a (40%) chance of rain and snow Thursday night and Friday, rain and snow likely (60%) Friday night, snow likely (60%) with a good (50%) chance of rain Saturday, then mostly cloudy with a good (50%) chance of snow Saturday night through Monday  snow level  4,000 ft. Thursday and Thursday night, 5,500 ft. Friday, 4,500 ft. Friday night, falling to 3,000 ft. Saturday, and 2,500 ft. Sunday highs 40-30 lows 30-25.

_________________

**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

_______________

Here is my new weekly weather quiz question. Here are some hurricane names: Audrey, Agnes, Anita, Allen, Alicia, Andrew, Allison, Betsy, Beulah, and Bob. What do these hurricane names have in common? Please post your answer as a comment after the forecasts on  this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

________________

The upper air flow (yellow jet stream and dark colors for winds) shows a  low (yellow circle) moving through California as a high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with lots of sunshine for a while. A frontal system has been pushing through Southern California giving them just what they don’t need, more rain. They have already suffered from flooding and mud slides caused by the heavy rain. A new frontal system will bring the chance of rain back by late Thursday.

_______________

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Advisories:  A FREEZE WARNING IS IN EFFECT FROM UNTIL 9 AM  TODAY FOR THE SOUTH CENTRAL OREGON COAST. A FREEZE WATCH IS IN EFFECT FROM THIS EVENING THROUGH TUESDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT UNTIL 9 AM TODAY FOR THE SOUTH OREGON COAST (CURRY COUNTY COAST). AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

________________

Here are your detailed forecasts. **

_________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with patchy early AM fog and freezing fog, then mostly sunny this afternoon, partly cloudy in the evening, mostly cloudy with patchy fog and freezing fog late tonight and Tuesday AM, a mix of clouds and sun Tuesday afternoon, partly cloudy with patchy fog and freezing fog late at night and early Wednesday AM, then mostly cloudy Wednesday afternoon and Wednesday night highs 35-46 lows 24-35. Mostly cloudy Thursday, mostly cloudy with a (30%) chance of rain Thursday night, a good (50%) chance of rain Friday through Saturday night, and  a (40%) chance of showers Sunday highs 50-42 lows 35-40. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Cloudy with patchy fog and freezing fog this AM, partly cloudy in the afternoon, mostly clear this evening,  partly cloudy with patchy fog and freezing fog late at night and Tuesday AM, partly cloudy to mostly sunny in the afternoon, mostly cloudy with patchy fog and freezing fog late Tuesday night and early Wednesday AM, then mostly cloudy Wednesday afternoon through Thursday night highs 40-56 lows 32-40. Mostly cloudy with a (40%) chance of rain Friday, a good (50%) chance of rain Saturday and Saturday night, and a (40%) chance of rain Sunday highs 56-52 lows near 37. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly sunny today, mostly clear tonight, sunny Tuesday AM, partly cloudy Tuesday, then just mostly cloudy Tuesday night through Thursday night highs 47-55 lows 36-39. Mostly cloudy with a (30%) chance of rain Friday, a good (50%) chance of rain Friday night through Saturday, a good (50%) chance of showers night, then a (40%) chance of showers Sunday highs near 54 lows 40-42. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly sunny today, partly cloudy tonight, a mix of clouds and sun Tuesday, partly cloudy Tuesday night, mostly cloudy with a slight (20%) chance of light freezing rain Wednesday, then mostly cloudy with a slight (20%) chance of rain and snow Wednesday night free air freezing level 3,500 ft. today, 3,000 ft. tonight,  4,000 ft. Tuesday through Wednesday night  highs 32-36 lows 22-30. Mostly cloudy with a slight (20%) chance of rain and snow Thursday, a (40%) chance of rain and snow Thursday night, (40%) Friday night, then a good (50%) chance of rain and snow showers Friday night through Sunday snow level  4,000 ft. Thursday, 3,500 ft. Thursday through Friday night, and falling to 3,000 ft. Saturday highs 37-33 lows 30-25.

_________________

**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

_______________

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The upper air flow (yellow jet stream and dark colors for winds) shows a  low (yellow circle) moving through California as a high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with some sunshine for a while. A frontal system has been pushing through Southern California giving them just what they don’t need, more rain. They have already suffered from flooding and mud slides caused by the heavy rain.

_______________

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Advisories:  A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM MONDAY FOR THE SOUTH CENTRAL OREGON COAST. A FREEZE WATCH IS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 9 AM MONDAY FOR THE SOUTH OREGON COAST (CURRY COUNTY COAST). AN AIR STAGNATION ADVISORY IS IN EFFECT FROM 4 AM MONDAY UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

________________

Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy this evening, mostly cloudy with patchy late night and early AM fog and freezing fog, then mostly sunny Monday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog and freezing fog late Monday night and Tuesday AM, a mix of clouds and sun Tuesday afternoon, partly cloudy with patchy fog and freezing fog late at night and early Wednesday AM, then mostly cloudy Wednesday afternoon and Wednesday night lows 24-35 highs 35-46. Mostly cloudy Thursday, mostly cloudy with a (30%) chance of rain Thursday night, a good (50%) chance of rain Friday through Saturday night, and  a (40%) chance of showers Sunday highs 50-42 lows 35-40. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog and freezing fog late tonight and early Monday AM, partly cloudy in the afternoon, mostly clear Monday evening,  partly cloudy with patchy fog and freezing fog late at night and Tuesday AM, partly cloudy in the afternoon,  mostly cloudy with patchy fog and freezing fog late Tuesday night and early Wednesday AM, then mostly cloudy Wednesday afternoon through Thursday night lows 30-40 highs 40-56. Mostly cloudy with a (40%) chance of rain Friday, a good (50%) chance of rain Saturday and Saturday night, and a (40%) chance of rain Sunday highs 56-52 lows near 37. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear tonight, mostly sunny Monday, mostly clear Monday night, partly cloudy Tuesday, then just mostly cloudy Tuesday night through Thursday night lows 33-39 highs 47-55. Mostly cloudy with a (30%) chance of rain Friday, a good (50%) chance of rain Friday night through Saturday night, then a (40%) chance of showers Sunday highs near 54 lows 40-42. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly clear tonight, mostly sunny Monday, partly cloudy Monday night, a mix of clouds and sun Tuesday, partly cloudy Tuesday night, mostly cloudy with a slight (20%) chance of light freezing rain, mainly North of  Mt. Hood, then mostly cloudy with a slight (20%) chance of rain and snow Wednesday night free air freezing level 2,500 ft. tonight, 3,500 ft. Monday, 3,000 ft. Monday night, 3,500 ft, Tuesday, and 4,000 ft. Tuesday night, rising to 5,000 ft. Wednesday, and 4,000 ft. Wednesday night lows 17-30 highs 32-36. Mostly cloudy with a slight (20%) chance of rain and snow Thursday, a (40%) chance of rain and snow Thursday night, (40%) Friday night, then a good (50%) chance of rain and snow showers Friday night through Sunday snow level  4,000 ft. Thursday, 3,500 ft. Thursday through Friday night, and falling to 3,000 ft. Saturday highs 37-33 lows 30-25.

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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

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The upper air flow (yellow jet stream and dark colors for winds) shows a  low (yellow circle) developing and moving through California as a frontal system moved slowly away from the Pacific Northwest with colder air behind it. A high pressure ridge (the “Arch” shape on the yellow line) will keep us dry with some sunshine for a while.

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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: Partly cloudy with patchy fog and freezing fog again early this AM, a mix of clouds and sun this afternoon, patchy late night and early AM fog and freezing fog, then a mix of clouds and sun Sunday, Monday and Tuesday, partly cloudy each night highs 38-42 lows 24-30. Just mostly cloudy Wednesday through Thursday, then mostly cloudy with a (40%) chance of rain Thursday night, a good (50%) chance of rain Friday through Saturday highs 45-50 lows 35-40. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog and freezing fog late this AM, mostly sunny  in the afternoon and partly cloudy tonight with areas of fog and freezing fog late at night and early Monday AM and Tuesday AM, partly cloudy both  days and nights highs 42-48 lows near 32. Just mostly cloudy Wednesday through Thursday, mostly cloudy with a (40%) chance of rain Friday and Friday night, then mostly cloudy with a (40%) chance of showers Saturday highs 53-48 lows near 38-30. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy inland fog and freezing fog this AM, mostly sunny  in the afternoon and partly cloudy with areas of fog tonight and Monday AM, sunny Monday afternoon, mostly clear with areas of fog late Monday night and Tuesday AM, partly cloudy Tuesday afternoon and mostly cloudy at night highs near 50 lows 33-37. Just mostly cloudy Wednesday through Thursday, mostly cloudy with a slight (20%) chance of rain Thursday night, a (50%) chance of rain Friday and Friday night, then mostly cloudy with a good (50%) chance of showers Saturday highs 54-50 lows near 37-43. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: A mix of clouds and sun today through Tuesday, partly cloudy each night free air freezing level 2,500 ft. rising to 3,000 ft. this afternoon and tonight, 3,500 ft. Monday and Monday night, 4,500 ft, Tuesday, and 4,000 ft. Tuesday night highs 28-32 lows 17-26. Mostly cloudy Wednesday, a slight (20%) chance of rain and snow Wednesday night and Thursday, then a good (50%) chance of rain and snow Thursday night through Saturday free air freezing level 5,000 ft. Wednesday, snow level  4,000 ft. Wednesday night and Thursday, 3,500 ft. Thursday night, and rising to 5,000 ft. Friday, 5,500 ft. Friday night, and 4,500 ft. Saturday highs 33-39 lows near 28.

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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 upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure a (“U” shape) sliding Eastward through Oregon and a low (yellow circle) developing and moving through California as a frontal system moved slowly away from the Pacific Northwest with colder air behind it. The next frontal system offshore moved to the South and was supposed to have  little effect on the area, but it moved in farther North than expected spreading some light rain or freezing rain up to the mid and Northern Willamette Valley.  Notice that the jet stream airflow has set up a high pressure ridge (“Arch” shape on yellow line) that it brings mostly clear skies and the colder air in from the north and northwest for the end of the New Years Day Holiday weekend into early next week.

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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: Partly cloudy with patchy fog and freezing fog again late night and early Sunday AM, patchy late night and early AM fog and freezing fog, then a mix of clouds and sun Sunday, Monday and Tuesday, partly cloudy each night lows 24-30 highs 38-42. Just mostly cloudy Wednesday through Thursday, then mostly cloudy with a (40%) chance of rain Thursday night, a good (50%) chance of rain Friday through Saturday highs 45-50 lows 35-40. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog and freezing fog late tonight and Sunday AM, partly cloudy in the afternoon and Sunday night with areas of fog and freezing fog late at night and early Monday AM and Tuesday AM, partly cloudy both nights lows near 32 highs 42-48. Just mostly cloudy Wednesday through Thursday, mostly cloudy with a (40%) chance of rain Friday and Friday night, then mostly cloudy with a (40%) chance of showers Saturday highs 53-48 lows near 38-30. (seasonal averages high 49 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy inland fog and freezing fog tonight and Sunday AM, partly cloudy in the afternoon and evening, mostly cloudy with areas of fog Sunday night and Monday AM, partly cloudy Monday afternoon and evening, areas of fog late Monday night and Tuesday AM, partly cloudy Tuesday afternoon and night lows 38-34 highs near 50. Just mostly cloudy Wednesday through Thursday, mostly cloudy with a slight (20%) chance of rain Thursday night, a (50%) chance of rain Friday and Friday night, then mostly cloudy with a good (50%) chance of showers Saturday highs 54-50 lows near 37-43. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy this evening, partly cloudy tonight,  a mix of clouds and sun Sunday through Tuesday, partly cloudy each night free air freezing level at the surface tonight, 3,000 ft. Sunday afternoon and Sunday night, 3,500 ft. Monday and Monday night, 4,500 ft, Tuesday, and 4,000 ft. Tuesday night lows 15-26 highs near 32. Mostly cloudy Wednesday, a slight (20%) chance of rain and snow Wednesday night and Thursday, then a good (50%) chance of rain and snow Thursday night through Saturday free air freezing level 5,000 ft. Wednesday, snow level  4,000 ft. Wednesday night and Thursday, 3,500 ft. Thursday night, and rising to 5,000 ft. Friday, 5,500 ft. Friday night, and 4,500 ft. Saturday highs 33-39 lows near 28.

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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 in this week’s weather quiz.  Here is the question for the last time. What is the difference between Doppler Radar and the older generation radar?  Here is the answer. A Doppler radar is a specialized radar that makes use of the doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection, then analyzing how the frequency of the returned signal has been altered by the object’s motion. This variation gives direct and highly accurate measurements of the radial component of a target’s velocity relative to the radar. The specific term “Doppler Radar“, due in part to its extremely common use by television meteorologists in on-air weather reporting, has erroneously become popularly synonymous with the type of radar used in meteorology. Most modern weather radars use the pulse-doppler technique to examine the motion of precipitation, but it is only a part of the processing of their data. So, while these radars use a highly specialized form of doppler radar, the term is much broader in its meaning and its applications. The original radar only sent a beam outward and simply showed the echo of whatever it came in contact with when the signal came back. Doppler radar also measures the change in frequency of the return signal and literally can cut a section out of the sky, like a piece of pie, showing a 3-D picture of what it sees. I’ll have another weekly weather quiz question for you starting next Monday. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs.

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The upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure a (“U” shape) sliding Eastward through Oregon and a low (yellow circle) developing and moving through California as a frontal system moved slowly away from the Pacific Northwest with colder air behind it. The next frontal system offshore moved to the South and was supposed to have  little effect on the area, but it moved in farther North than expected spreading some light rain or freezing rain up to the mid and Northern Willamette Valley.  Notice that the jet stream airflow has set up a high pressure ridge (“Arch” shape on yellow line) that it brings mostly clear skies and the colder air in from the north and northwest for the end of the New Years Day Holiday weekend.

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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 with patchy fog and freezing fog again early this AM, mostly cloudy early this afternoon with sun breaks (New Years Day), partly cloudy tonight with patchy fog and freezing fog again late night and early Sunday AM, mostly sunny Sunday, partly cloudy Sunday night, a mix of clouds and sun Monday and Tuesday (patchy AM fog Tuesday), partly cloudy Monday night and Tuesday night (patchy fog again late Tuesday night) highs 38-43 lows 24-30. Mostly cloudy with a good (50%) chance of rain Wednesday through Thursday night, and rain likely (60%) Friday highs 43-49 lows 35-43. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with a slight (20%) chance of rain today (New Years Day)(snow level 500 ft.),  just mostly cloudy tonight and Sunday AM, and partly cloudy in the afternoon and Sunday night with areas of fog and freezing fog late at night and early Monday AM, patchy fog in the afternoon and evening, areas of fog late Monday night and early Tuesday AM, then just mostly cloudy Tuesday afternoon and night highs 42-48 lows near 32. Mostly cloudy with a (30%) chance of rain Wednesday, a good (50%) chance of rain Wednesday night through Friday highs 45-53 lows near 36-40. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (40%) chance of  coastal rain, a (30%) chance of rain and snow this AM then a (30%) chance of afternoon rain (snow level 1,000 ft. rising to 2,000 ft. in the AM) today (New Years Day), mostly cloudy tonight and Sunday AM, partly cloudy in the afternoon and evening, mostly cloudy with areas of fog Sunday night and Monday AM, partly cloudy with patchy fog Monday afternoon and evening, areas of fog late Monday night highs 47-50 lows 38-32. Mostly cloudy with areas of patchy fog Tuesday AM, partly cloudy in the afternoon and evening, then mostly cloudy Tuesday night, mostly cloudy with a (40%) chance of rain Wednesday, a good (50%) chance of rain Wednesday night and Thursday, then rain likely (60%) Thursday night and Friday highs 47-52 lows near 35-43. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy today  (New Years Day) with a slight (20%) chance of light freezing rain or sleet, South, early AM, partly cloudy with patchy fog and freezing fog late tonight and Sunday AM, mostly sunny Sunday, then a mix of clouds and sun Monday, and Tuesday, partly cloudy each night snow level at the surface today and tonight, 2,000 ft. Sunday afternoon, 2,500 ft. Sunday night, 3,500 ft. Monday and Monday night, 4,500 ft, Tuesday, and 4,000 ft. Tuesday night highs 29-35 lows 16-26. Mostly cloudy with a good (50%) chance of rain and snow Wednesday, rain and snow likely (60%) Wednesday night and Thursday, a good (50%) chance Thursday night,  and rain and snow likely (60%) Friday  snow level  4,000 ft. Wednesday through Thursday, 3,500 ft. Thursday night, and rising to 5,000 ft. Friday highs 37-34 lows near 28.

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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.