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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 offshore) sliding Eastward into the coast as a frontal system pushed through the Pacific Northwest and another frontal system will follow close behind Monday night intoTuesday (position shown on Wednesday).

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Advisories:  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL TO 4 AM MONDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE  OF WESTERN OREGON, THE NORTH OREGON CASCADE FOOTHILLS,  AND THE FOOTHILLS OF LANE COUNTY THE NORTH OREGON CASCADES AND THE CASCADES OF LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY. A WINTER STORM WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON FOR THE NORTH OREGON CASCADES AND THE CASCADES OF LANE COUNTY. A HIGH WIND WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING FOR THE NORTH AND CENTRAL OREGON COAST.

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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  showers this evening, showers likely (60%) late tonight (0.25 in. of rain possible), showers likely (60%) Monday AM, rain likely (60%) in the afternoon (0.25 in. of rain possible),  rain Monday night (1.0 in of rain possible) and Tuesday (1.0 in of rain possible) and Tuesday night (0.50 in. of rain possible), showers possibly mixed with snow Wednesday, then showers likely (60%) Wednesday night lows 35-45 and back to 32 Wednesday night highs 48-38. Mostly cloudy with a chance of rain and snow showers Thursday, a good (50%) chance of showers Thursday night, partly cloudy with a (30%) chance of showers Friday, a slight (20%) chance of showers Friday night (snow level 1,000 ft.), then mostly cloudy with a slight (20%) chance of showers Saturday (New Years Day) through Sunday (snow level 1,000 ft. Saturday night) highs near 40 lows near 32. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with  rain and snow showers tonight (snow level 2,000 ft. 1 in. of snow possible), showers likely (60%) Monday (snow level 3,500 ft.), rain Monday night through Tuesday night (snow level 2,500 ft.),  rain and snow showers Wednesday, then rain and snow showers likely (60%) Wednesday night lows 35-44-36-32 highs 49-53-42. Mostly cloudy with rain and snow showers likely (60%) Thursday, a (%) chance of rain and snow showers Thursday night, mostly cloudy with a good (50%) chance of rain and snow Friday, a (40%) chance of rain and snow Friday night and Saturday (New Years Day), then mostly cloudy with a (40%) chance of rain and snow showers Saturday night and Sunday highs 40-45 lows near 26-34. (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 showers tonight and breezy (wind: SW 15-25 mph decreasing to SW 10-15 mph late at night), showers likely (60%) Monday and windy (wind: S 20-30 mph gusts to 45 mph), rain  Monday night and windy (wind: SW 20-30 mph gusts to 45 mph), then rain Tuesday and  breezy (wind: S 15-25 mph), rain Tuesday and breezy (wind: S 15-25 mph), rain Tuesday night, rain and snow showers Wednesday and breezy, then rain and snow showers likely (60%) Wednesday night lows 42-32 highs 54-44.  Mostly cloudy with rain and snow showers likely (60%) Thursday, a (60%) chance of rain and snow showers Thursday night, mostly cloudy with a good (50%) chance of rain Friday and Friday night, a (40%) chance of rain Saturday (New Years Day),  then a (40%) chance of showers Saturday night and a good (50%) chance Sunday highs 44-49 lows 32-36. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Cloudy with snow showers tonight (5-9 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph higher elevations), snow showers likely (60%) Monday AM, snow and rain likely (60%) in the afternoon (2-4 in. of snow possible), snow and rain Monday night (12 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph in higher elevations), then rain and snow Tuesday (8-14 in. of snow possible), then snow at times Tuesday night (8-14 in. of snow possible) snow level 2,500 ft. rising to 3,000 ft. Monday afternoon, 3,000 ft. rising to 4,000 ft. late Monday night, 5,000 ft. Tuesday, falling to between 1,000 ft. and and 2,500 ft. Tuesday night lows 22-33-23 highs near 33. Mostly cloudy with snow showers Wednesday, snow showers likely (60%) Wednesday night and Thursday, mostly cloudy with a good (50%) chance of snow showers Thursday night, partly cloudy with a slight (20%) chance of snow showers Friday and Friday night, mostly cloudy with a (30%) chance of snow showers Saturday (New Years Day) and Saturday night, then a (40%) chance of snow showers Sunday snow level at the surface Wednesday through Sunday highs 26-32 lows 18-24.

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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 upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure a (“U” shape offshore) sliding toward the coast  as a frontal system starts to push through the Pacific Northwest and more frontal systems will follow close behind starting Tuesday.

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Advisories: A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM THIS AFTERNOON ABOVE 2,000 FT. FOR EASTERN CURRY COUNTY,  JOSEPHINE COUNTY, AND THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND THE SOUTH CENTRAL OREGON CASCADES. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL TO 4 AM MONDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE  OF WESTERN OREGON, THE NORTH OREGON CASCADE FOOTHILLS,  AND THE FOOTHILLS OF LANE COUNTY THE NORTH OREGON CASCADES AND THE CASCADES OF LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

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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  showers today (0.50 in. of rain possible) and breezy (wind: S 15-25 mph), showers tonight (0.25 in. of rain possible), showers likely (60%) Monday AM, rain likely (60%) in the afternoon (0.25 in. of rain possible),  rain Monday night (1.0 in of rain possible) and breezy (wind: S 15-30 mph), then rain Tuesday and Tuesday night highs 44-47 lows 36-43 . Mostly cloudy with rain Wednesday, showers Wednesday night, showers likely (60%) Thursday, a good (50%) chance of showers Thursday night, showers likely (60%) Friday and Friday night, and a good (50%) chance of showers Saturday (New Years Day) highs 38-46 lows 36-34. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with rain and snow this AM, rain and snow showers in the afternoon (snow level 2,500 ft. falling to 2,000 ft. in the afternoon, 1-2 in. of snow possible), showers tonight (snow level 2,500 ft.), rain likely (60%) Monday (snow level 3,000 ft.), then rain Monday night through Tuesday night highs 45-52 lows 40-36 . Mostly cloudy with rain and snow Wednesday, rain and snow showers Wednesday night, rain and snow showers likely (60%) Thursday and Thursday night, mostly cloudy with a good (50%) chance of rain and snow showers Friday, rain likely (60%) Friday night, and a good (50%) chance of rain and snow showers Saturday (New Years Day) highs 45-42 and rising to 46 Saturday lows near 32. (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 coastal AM showers and isolated thunderstorms this AM, AM rain inland, then showers in the afternoon, windy (coastal winds: SW 25-35 mph decreasing to SW 20-25 mph in the afternoon and gusts to 45 mph in the morning), showers tonight and breezy (wind: SW 15-25 mph gusts to 45 mph in the evening), coastal rain and inland rain likely (60%) Monday, rain  Monday night and windy (wind: S 20-30 mph gusts to 45 mph), then rain Tuesday and Tuesday night highs 47-53 lows 40-46 and back to 40 Tuesday night. Mostly cloudy with rain Wednesday, rain and snow showers Wednesday night, rain and snow showers likely (60%) Thursday, showers likely (60%) Thursday night, mostly cloudy with a good (50%) chance of showers Friday, rain likely (60%) Friday night, then showers likely (60%) Saturday (New Years Day) highs 45-49 lows 39-35. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Cloudy with snow showers today (4-9 in. of snow possible) and windy (wind: W 10-20 mph gusts to 45 mph in higher elevations),  snow showers tonight (3-6 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph), snow showers likely (60%) Monday AM, snow likely (60%) in the afternoon (2-4 in. of snow possible), rain and snow Monday night (12 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph in higher elevations), then snow and rain Tuesday and Tuesday night snow level 2,500 ft. this AM through Monday, 4,000 ft. rising to 4,500 ft. late Monday night,  4,500 ft. Tuesday, and 3,500 ft. Tuesday night highs 27-36 lows near 26
Read the rest of the entry »

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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 offshore) sliding toward the coast  as a frontal system starts to push into the Pacific Northwest and more frontal systems will follow close behind starting Tuesday.

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Advisories: A WINTER STORM WARNING IS IN EFFECT FROM 1 AM TO 4 PM SUNDAY AFTERNOON ABOVE 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 AM SUNDAY UNTIL TO 4 AM MONDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE  OF WESTERN OREGON, THE NORTH OREGON CASCADE FOOTHILLS,  AND THE FOOTHILLS OF LANE COUNTY THE NORTH OREGON CASCADES AND THE CASCADES OF LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.  A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM TO 4 PM SUNDAY ABOVE 2,000 FT. FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND THE SOUTH CENTRAL OREGON CASCADES,

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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 this evening, occasional showers tonight (0.25 in. of rain possible), showers Sunday (0.50 in. of rain possible) and breezy (wind: S 15-25 mph), showers Sunday night (0.25 in. of rain possible), showers likely (60%) Monday AM, rain likely (60%) in the afternoon (0.25 in. of rain possible),  rain Monday night (1.0 in of rain possible) and breezy (wind: S 15-30 mph), then rain Tuesday and Tuesday night lows 36-43 highs 44-47. Mostly cloudy with rain Wednesday, showers Wednesday night, showers likely (60%) Thursday, a good (50%) chance of showers Thursday night, showers likely (60%) Friday and Friday night, and a good (50%) chance of showers Saturday (New Years Day) highs 38-46 lows 36-34. (seasonal averages highs 45 low 32)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with rain tonight (snow level 3,000 ft. falling to 2,500 ft. late tonight),  rain and snow Sunday AM, rain and snow showers in the afternoon (snow level 2,500 ft. falling to 2,000 ft. in the afternoon, 1-2 in. of snow possible), showers Sunday night (snow level 2,500 ft.), rain likely (60%) Monday (snow level 3,000 ft.), then rain Monday night through Tuesday night lows 40-36 highs 45-52. Mostly cloudy with rain and snow Wednesday, rain and snow showers Wednesday night, rain and snow showers likely (60%) Thursday and Thursday night, mostly cloudy with a good (50%) chance of rain and snow showers Friday, rain likely (60%) Friday night, and a good (50%) chance of rain and snow showers Saturday (New Years Day) highs 45-42 and rising to 46 Saturday lows near 32. (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 coastal rain this evening and showers and isolated thunderstorms late tonight, rain inland, windy (wind: SW 10-15 mph at the shore increasing to SW 20-30 mph late tonight),  coastal AM showers and isolated thunderstorms Sunday, AM rain inland, then showers in the afternoon, windy (coastal winds: SW 25-35 mph decreasing to SW 20-25 mph in the afternoon and gusts to 45 mph in the morning), showers Sunday night and breezy (wind: SW 15-25 mph gusts to 45 mph in the evening), coastal rain and inland rain likely (60%) Monday, rain  Monday night and windy (wind: S 20-30 mph gusts to 45 mph), then rain Tuesday and Tuesday night lows 40-46 and back to 40 Tuesday night highs 47-53. Mostly cloudy with rain Wednesday, rain and snow showers Wednesday night, rain and snow showers likely (60%) Thursday, showers likely (60%) Thursday night, mostly cloudy with a good (50%) chance of showers Friday, rain likely (60%) Friday night, then showers likely (60%) Saturday (New Years Day) highs 45-49 lows 39-35. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Cloudy with snow and rain increasing tonight (2-5 in. of snow possible),  snow showers Sunday night (4-9 in. of snow possible) and windy (wind: W 10-20 mph gusts to 45 mph in higher elevations),  snow showers Sunday night (3-6 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph), snow showers likely (60%) Monday AM, snow likely (60%) in the afternoon (2-4 in. of snow possible), rain and snow Monday night (12 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph in higher elevations), then snow and rain Tuesday and Tuesday night snow level falling to 3,000 ft. late tonight, 2,500 ft. Sunday AM through Monday, 4,000 ft. rising to 4,500 ft. late Monday night,  4,500 ft. Tuesday, and 3,500 ft. Tuesday night lows near 26 highs 27-36. Mostly cloudy with snow Wednesday, snow showers Wednesday night, snow showers likely (60%) Thursday, then mostly cloudy with a good (50%) chance of snow showers Friday, and snow showers likely (60%) Friday night and Saturday snow level 2,500 ft. Wednesday, then at the surface Wednesday night through Saturday highs 26-32 lows near 23.

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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 swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing this frontal system in for today and more storm systems will follow close behind. No real chance of a “White Christmas” in the valleys because it will be too warm with rain. Our best chance of valley snows usually comes in January and February.

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Advisories: A WINTER STORM WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY AFTERNOON ABOVE 2,000 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR JACKSON 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%) today (Christmas Day) (0.25 in. of rain possible), rain tonight (0.25 in. of rain possible) and Sunday (0.25 in. of rain possible), and showers Sunday night (0.25 in. of rain possible), showers likely (60%) Monday, and rain Monday night highs near 48 lows 37-40. Mostly cloudy with rain Tuesday through Wednesday, showers Wednesday night, and showers likely (60%) Thursday highs 48-42 lows near 37. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Cloudy with rain today (Christmas Day), showers tonight and Sunday (snow level 3,500 ft.), showers likely (60%) Sunday night (snow level 2,500 ft.), rain likely (60%) Monday, showers likely (60%) Monday night highs 50-46 lows 40-36. Mostly cloudy with rain Tuesday through Wednesday, rain and snow showers Wednesday night, rain and snow showers likely (60%) Thursday and Thursday night, mostly cloudy with a good (50%) chance of showers Friday highs 50-42 lows 38-33. (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 rain today (Christmas Day), showers tonight and Sunday windy (wind: SW 20-30 mph at the shore and SW 15-25 mph inland),  coastal showers with showers likely (60%) inland Sunday night and breezy (wind: SW 15-25 mph gusts to 45 mph in the evening), rain likely (60%) and breezy Monday, then showers Monday night highs 47-50 lows 46-42. Mostly cloudy with rain Tuesday through Wednesday, rain and snow showers Wednesday night, showers likely (60%) Thursday and Thursday night, then mostly cloudy with a good (50%) chance of showers Friday highs 52-46 lows 38-40. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Cloudy with AM rain and snow likely (60%), a  good (50%) chance of rain and snow this afternoon (Christmas Day) (1 in. of snow possible), rain and snow tonight (1-3 in. of snow possible),  mostly cloudy with rain and snow Sunday (2-5 in. of snow possible) and breezy (wind: S 15-25 mph gusts to 40 mph), snow showers Sunday night (5-8 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph), snow showers likely (60%) Monday, and snow Monday snow level 8,000 ft tonight, falling to 4,500 ft. Saturday and Saturday night, then 3,000 ft. Sunday through Monday night highs 39-29 lows 27-20. Mostly cloudy with snow and rain Tuesday through Wednesday, snow showers Wednesday night, then snow showers likely (60%) Thursday through Friday snow level 3,000 ft. Monday through Tuesday, 3,500 ft. Tuesday night, and 3,000 ft. Wednesday highs 33-29 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.

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Santa will need an umbrella. He’ll need to get up into the mountains to see some snow.

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The upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing this frontal system, still offshore, that will come in for Christmas Day and more storm systems will follow close behind. No real chance of a “White Christmas” in the valleys because it will be too warm with rain. Our best chance of valley snows usually comes in January and February.

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Advisories: A WIND ADVISORY IS IN EFFECT UNTIL 10 AM SATURDAY (CHRISTMAS DAY) FOR JACKSON COUNTY OF OREGON.

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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%) tonight (Christmas Eve)(0.10 in. of rain possible), rain likely (60%) Saturday (Christmas Day) (0.25 in. of rain possible), rain Saturday night (0.25 in. of rain possible) and Sunday (0.25 in. of rain possible), and showers Sunday night (0.25 in. of rain possible), showers likely (60%) Monday, and rain Monday night lows 37-40 highs near 48. Mostly cloudy with rain Tuesday through Wednesday, showers Wednesday night, and showers likely (60%) Thursday highs 48-42 lows near 37. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Cloudy with rain likely (60%) tonight (Christmas Eve),  rain Saturday (Christmas Day), showers Saturday night and Sunday (snow level 3,500 ft.), showers likely (60%) Sunday night (snow level 2,500 ft.), rain likely (60%) Monday, showers likely (60%) Monday night, lows 40-36 highs 50-46. Mostly cloudy with rain Tuesday through Wednesday, rain and snow showers Wednesday night, rain and snow showers likely (60%) Thursday and Thursday night, mostly cloudy with a good (50%) chance of showers Friday highs 50-42 lows 38-33. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with rain tonight (Christmas Eve) and breezy (wind: S 15-25 mph decreasing to S 10-15 mph late tonight at the shore and S 10-20 mph shifting SE 5-10 mph late tonight inland) tonight (Christmas Eve), rain Saturday (Christmas Day), showers Saturday night and Sunday windy (wind: SW 20-30 mph at the shore and SW 15-25 mph inland),  coastal showers with showers likely (60%) inland Sunday night and breezy (wind: SW 15-25 mph gusts to 45 mph in the evening), rain likely (60%) and breezy Monday, then showers Monday night lows 46-42 highs 47-50. Mostly cloudy with rain Tuesday through Wednesday, rain and snow showers Wednesday night, showers likely (60%) Thursday and Thursday night, then mostly cloudy with a good (50%) chance of showers Friday highs 52-46 lows 38-40. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Cloudy with a (30%) chance of rain and snow this evening, then a (40%) chance of rain late tonight (Christmas Eve), cloudy with AM rain and snow likely (60%), a  good (50%) chance of rain and snow Saturday afternoon (Christmas Day) (1 in. of snow possible), rain and snow Saturday night (1-3 in. of snow possible),  mostly cloudy with rain and snow Sunday (2-5 in. of snow possible) and breezy (wind: S 15-25 mph gusts to 40 mph), snow showers Sunday night (5-8 in. of snow possible) and breezy (wind: SW 15-25 mph gusts to 40 mph), snow showers likely (60%) Monday, and snow Monday snow level 8,000 ft tonight, falling to 4,500 ft. Saturday and Saturday night, then 3,000 ft. Sunday through Monday night lows 27-20 highs 39-29. Mostly cloudy with snow and rain Tuesday through Wednesday, snow showers Wednesday night, then snow showers likely (60%) Thursday through Friday snow level 3,000 ft. Monday through Tuesday, 3,500 ft. Tuesday night, and 3,000 ft. Wednesday highs 33-29 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.

________________

Santa will need an umbrella. He’ll need to get up into the mountains to see some snow.

________________

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The upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing this frontal system , still offshore, that will come in for Christmas Day (Sunday position shown) and another will follow close behind. Not much of a chance of a “White Christmas” in the valleys because it will be too warm. Our best chance of valley snows usually comes in January and February.

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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: Cloudy with a slight (20%) chance of AM rain, a (30%) chance of rain this afternoon (0.10 in. of rain possible), cloudy with a good (50%) chance of rain tonight (Christmas Eve), rain likely (60%) Saturday (Christmas Day) (0.10 in. of rain possible), rain Saturday night (0.25 in. of rain possible), rain Sunday, and showers Sunday night highs near 48 lows 37-42. Mostly cloudy with showers likely (60%) Monday, then rain Monday night through Wednesday, showers Wednesday night, and showers likely (60%) Thursday highs 48-42 lows near 37. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Cloudy with a (40%) chance of rain today and breezy (wind: SE 15-25 mph gusts to 40 mph), rain likely (60%) tonight (Christmas Eve) and breezy (wind: SE 15-25 mph gusts to 40 mph in the evening), rain likely (60%) Saturday (Christmas Day), rain Saturday night, rain and showers Sunday AM, rain Sunday afternoon, rain and snow Sunday night highs 50-46 lows 42-37. Mostly cloudy with rain likely (60%) Monday through Tuesday, and rain Tuesday night, mostly cloudy with rain Wednesday, rain and snow showers likely (60%) Wednesday night and Thursday highs 45-48 lows 38-42. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a good (50%) chance of rain today and windy (wind: S 25-40 mph at the shore and S 20-30 mph inland),  rain likely (60%) and windy (wind: S 25-35 mph gusts to 55 mph, then SE 15-25 mph late tonight) tonight (Christmas Eve), coastal rain and rain  likely (60%) inland Saturday (Christmas Day) and breezy (wind: S 15-25 mph gusts to 40 mph late AM & early afternoon), rain Saturday night with a slight (20%) chance of thunderstorms late, showers likely (60%) Sunday with a slight (20%) chance of AM thunderstorms, rain and breezy Sunday night, rain Monday and Monday night highs 56-47 lows 46-42. Mostly cloudy with rain Tuesday through Wednesday, then showers likely (60%) Wednesday night and Thursday highs 47-52 lows 45-39. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Cloudy with a slight (20%) chance of AM snow, a good (50%) chance of rain and snow this afternoon, cloudy with a (40%) chance of rain and snow tonight (Christmas Eve), cloudy with a (40%) chance of rain Saturday (Christmas Day) (0.10 in. of rain possible), rain and snow Saturday night (1-3 in. of snow possible),  mostly cloudy with rain and snow Sunday (1-3 in. of snow possible), then snow showers Sunday night snow level 4,500 ft. today, rising to  5,500 ft tonight, 4,500 ft. Saturday and Saturday night, then 3,000 ft. Sunday and Sunday night highs 37-30 lows 28-22. Mostly cloudy with snow showers likely (60%) Monday,  snow Monday night, snow and rain Tuesday through Wednesday, snow showers Wednesday night, and snow showers likely (60%) Thursday snow level 3,000 ft. Monday through Tuesday, 3,500 ft. Tuesday night, and 3,000 ft. Wednesday highs 30-33 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.

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The upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing this frontal system , still offshore, that will come in for Christmas Day (Saturday position). Not much of a chance of a “White Christmas” in the valleys because it will be too warm. Our best chance of valley snows usually comes in January and February.

_______________

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: Mostly cloudy with patchy fog late tonight, mostly cloudy with a slight (20%) chance of AM rain, a (40%) chance of rain Friday afternoon (0.10 in. of rain possible), cloudy with a good (50%) chance of rain Friday night (Christmas Eve), rain likely (60%) Saturday (Christmas Day) (0.10 in. of rain possible), rain Saturday night (0.25 in. of rain possible), rain Sunday, and showers Sunday night lows 34-42 highs near 48. Mostly cloudy with showers likely (60%) Monday, then rain Monday night through Wednesday, showers Wednesday night, and showers likely (60%) Thursday highs 48-42 lows near 37. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Cloudy tonight, cloudy with a (40%) chance of rain Friday, rain likely (60%) Friday night (Christmas Eve), rain likely (60%) Saturday (Christmas Day), rain Saturday night, showers likely (60%) Sunday, rain and snow showers Sunday likely (60%) Sunday night lows 42-37 highs 50-46.  Mostly cloudy with rain likely (60%) Monday through Tuesday, and rain Tuesday night, mostly cloudy with rain Wednesday, rain and snow showers likely (60%) Wednesday night and Thursday highs 45-48 lows 38-42. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy and breezy tonight (winds: S 20-30 mph at the shore and SE 10-20 mph inland),  cloudy with a good (50%) chance of rain Friday and breezy (wind: S 20-30 mph at the shore and SE 10-20 mph inland),  rain likely (60%) and breezy  (wind: SE 15-25 mph) Friday night (Christmas Eve), coastal rain and rain  likely (60%) inland Saturday (Christmas Day), rain Saturday night, showers likely (60%) Sunday through Monday, and rain Monday night lows 46-42 highs 56-47. Mostly cloudy with rain Tuesday through Wednesday, then showers likely (60%) Wednesday night and Thursday highs 47-52 lows 45-39. (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 rain this evening, a slight (20%) chance of AM snow, a (30%) chance of rain and snow Friday afternoon, cloudy with a (40%) chance of rain and snow Friday night (Christmas Eve), cloudy with a (40%) chance of rain Saturday (Christmas Day) (0.10 in. of rain possible), rain and snow Saturday night (1-3 in. of snow possible),  mostly cloudy with rain and snow Sunday, then snow showers Sunday night snow level 4,500 ft. tonight and Friday, rising to  5,500 ft Friday night, 4,500 ft. Saturday and Saturday night, then 3,000 ft. Sunday and Sunday night lows 28-22 highs 37-30. Mostly cloudy with snow showers likely (60%) Monday,  snow Monday night, snow and rain Tuesday through Wednesday, snow showers Wednesday night, and snow showers likely (60%) Thursday snow level 3,000 ft. Monday through Tuesday, 3,500 ft. Tuesday night, and 3,000 ft. Wednesday highs 30-33 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.

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We have a winner! Here is the question again. What is a “Radiosonde” used for in weather forecasting? Extra credit points if you can tell me what new technology is replacing radiosondes. Congratulations to Lon Nevler for your correct answer :”Radiosondes are Baloon born units that measure many different forces in our Atmosphere, also used are Microwave and Nano Tech which have made for great surprises in the field.”  I’ll have a new 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 swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing a new frontal system our way.  More storms will be coming at us including this frontal system , still offshore, that will come in for Christmas Day (Saturday position). Not much of a chance of a “White Christmas” in the valleys because it will be too warm. Our best chance of valley snows usually comes in January and February.

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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: Patchy AM fog, then mostly cloudy with a slight (20%) chance of rain this afternoon,  mostly cloudy tonight, mostly cloudy with a slight (20%) chance of AM rain, a (40%) chance of rain Friday (0.10 in. of rain possible), cloudy with a good (50%) chance of rain Friday night (Christmas Eve), rain likely (60%) Saturday (Christmas Day) (0.10 in. of rain possible), then rain Saturday night highs 45-49 lows 32-42. Rain Sunday, showers Sunday night, showers likely (60%) Monday, then rain Monday night through Wednesday highs 45-49 lows 39-37. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with patchy fog this AM, mostly cloudy this afternoon, cloudy tonight, cloudy with a (40%) chance of rain Friday (snow level 3,500 ft.), cloudy with a good (50%) chance of rain Friday night (Christmas Eve), rain likely (60%) and breezy (wind: SE 10-15 mph increasing to SE 15-25 mph in the afternoon) Saturday (Christmas Day), rain Saturday night, showers Sunday, rain and snow showers Sunday night highs 47-50 lows 35-45.  Mostly cloudy with rain and snow likely (60%) Monday, rain likely (60%) Monday night,  then rain Tuesday through Wednesday highs 44-50 lows 35-40. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy and breezy today (wind: S 15-25 mph at the shore and S 10-20 mph inland), cloudy with a slight (20%) chance of coastal rain tonight and breezy (winds: S 20-30 mph at the shore and S 10-20 mph inland),  cloudy with a good (50%) chance of rain Friday and breezy (wind: S 20-30 mph at the shore and S 10-20 mph inland),  coastal rain likely (60%) and breezy  (wind: SE 15-25 mph) Friday night (Christmas Eve) with a good (50%) chance of rain inland, rain  likely (60%) Saturday (Christmas Day), with rain Saturday night highs 56-50 lows 39-45. Mostly cloudy with showers and isolated thunderstorms Sunday, rain Sunday night, rain likely (60%) Monday and Monday night, then rain Tuesday through Wednesday highs 48-52 lows 46-39. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy with a (30%) chance of AM snow , a slight (20%) chance of afternoon and evening rain, a slight (20%) chance of AM snow, a (40%) chance of rain and snow Friday, cloudy with rain or snow in the evening, rain or snow likely (60%) Friday night (1 in. of snow possible), rain likely (60%) Saturday (Christmas Day) (1 in. of snow possible), rain Saturday night snow level 3,500 ft. to 4,000 ft. this afternoon, 4,500 ft. tonight and Friday, rising to 6,500 ft Friday night, 5,500 ft. Saturday and 4,500 ft. Saturday night highs 35-40 lows 22-32. Mostly cloudy with rain and snow Sunday,  snow showers Sunday night, snow showers likely (60%) Monday, snow Monday night, with rain and snow Tuesday through Wednesday snow level 3,500 ft.  Sunday, 3,000 ft. Sunday night,  2,500 ft. Monday, 3,000 ft. Tuesday, 4,000 ft. Tuesday night, and 3,500 ft. Wednesday highs 30-33 lows 22-25.

_________________

**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.

________________

We have a winner! Here is the question again. What is a “Radiosonde” used for in weather forecasting? Extra credit points if you can tell me what new technology is replacing radiosondes. Congratulations to Lon Nevler for your correct answer :”Radiosondes are Baloon born units that measure many different forces in our Atmosphere, also used are Microwave and Nano Tech which have made for great surprises in the field.”  I’ll have a new 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.

________________

________________

The upper air flow (yellow jet stream and dark colors for winds) shows a  trough of low pressure swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing a new frontal system our way.  More storms will be coming at us including this frontal system (position shown Sunday) that will come in for Christmas Day. Not much of a chance of a “White Christmas” in the valleys because it will be too warm. Our best chance of valley snows usually comes in January and February.

_______________

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 tonight, patchy AM fog, then mostly cloudy with a slight (20%) chance of rain Thursday afternoon,  mostly cloudy Thursday night, mostly cloudy with a (40%) chance of rain Friday (0.10 in. of rain possible), cloudy with a good (50%) chance of rain Friday night (Christmas Eve), rain likely (60%) Saturday (Christmas Day), then rain Saturday night lows 32-42 highs 45-49. Rain Sunday, showers Sunday night, showers likely (60%) Monday, then rain Monday night through Wednesday highs 45-49 lows 39-37. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with patchy fog late tonight and Thursday AM, mostly cloudy Thursday afternoon, cloudy Thursday night, cloudy with a (40%) chance of rain Friday (snow level 3,500 ft.), cloudy with a good (50%) chance of rain Friday night (Christmas Eve), rain likely (60%) and breezy Saturday (Christmas Day), rain Saturday night, showers Sunday, rain and snow Sunday night lows 35-45 highs 47-50.  Mostly cloudy with rain and snow likely (60%) Monday, rain likely (60%) Monday night,  then rain Tuesday through Wednesday highs 44-50 lows 35-40. (seasonal averages high 48 low 34)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy tonight, cloudy and breezy (wind: S 15-25 mph at the shore and S 10-20 mph inland), cloudy with a slight (20%) chance of coastal rain Thursday night and  breezy (winds: S 15-25 at the shore and SE 10-20 mph inland),  cloudy with a good (50%) chance of rain Friday and breezy (wind: S 20-30 mph at the shore and S 10-20 mph inland),  coastal rain likely (60%) and breezy Friday night (Christmas Eve) with a good (50%) chance of rain inland, rain  likely (60%) Saturday (Christmas Day), with rain Saturday night lows 39-45 highs 56-50. Mostly cloudy with showers and isolated thunderstorms Sunday, rain Sunday night, rain likely (60%) Monday and Monday night, then rain Tuesday through Wednesday highs 48-52 lows 46-39. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of snow tonight, mostly cloudy with a (30%) chance of AM snow, a (40%) chance of snow with a slight (20%) chance of rain Thursday afternoon, a slight (20%) chance of rain and snow Thursday night, a (40%) chance of rain and snow Friday, cloudy with rain or light freezing rain or snow Friday night (1 in. of snow possible), rain likely (60%) Saturday (Christmas Day), rain Saturday night snow level 2,500 ft. this evening,  3,500 ft. to 4,000 ft. Thursday afternoon, 4,500 ft. to 3,500 ft. Thursday night, 4,500 ft. Friday, rising to 6,500 ft Friday night, 5,500 ft. Saturday and Saturday night lows 22-32 highs 35-40. Mostly cloudy with rain and snow Sunday,  snow showers Sunday night, snow showers likely (60%) Monday, snow Monday night, with rain and snow Tuesday through Wednesday snow level 4,000 ft.  Sunday, 3,000 ft. Sunday night,  2,500 ft. Monday, 3,000 ft. Tuesday, 4,000 ft. Tuesday night, and 3,500 ft. Wednesday highs 30-33 lows 22-25.

_________________

**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 this week’s weather quiz question. What is a “Radiosonde” used for in weather forecasting? Extra credit points if you can tell me what new technology is replacing radiosondes. 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  trough of low pressure swinging down from the Gulf of Alaska (“U” shape offshore) which is pushing a new frontal system our way.  More storms will be coming at us including this frontal system that will come in for Christmas Day. Not much of a chance of a “White Christmas” in the valleys because it will be too warm. Our best chance of valley snows usually comes in January and February.

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Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE WESTERN COLUMBIA RIVER GORGE.

________________

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 AM, scattered afternoon showers (0.10 in. of rain possible), partly cloudy this evening, mostly cloudy with a slight (20%) chance of rain tonight,  a (40%) chance of rain Thursday AM, a slight (20%) chance of rain Thursday afternoon (0.10 in. of rain possible) and Thursday night  highs 45-47 lows 33-39. Mostly cloudy with a  good (50%) chance of rain Friday (Christmas Eve), rain likely (60%) Friday night, rain Saturday (Christmas Day), then rain Saturday night through Tuesday highs 48-44 lows 37-40. (seasonal averages highs 45 low 33)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with rain likely (60%) this  AM, a (30%) chance of rain this afternoon (snow level 2,500 ft. rising to 3,000 ft,), a slight (20%) chance of showers tonight, cloudy with a  good (50%) chance of rain and snow showers Thursday AM, cloudy with a good (50%) chance of showers in the afternoon (snow level 2,000 ft. rising to 3,500 ft.), a slight (20%) chance of showers Thursday night (snow level 3,500 ft.) highs 47-50 lows 35-39. Cloudy with a good (50%) chance of showers Friday, rain likely (60%) Friday night (Christmas Eve), rain Saturday (Christmas Day), then rain Saturday night through Sunday evening, rain and snow showers Sunday night, then rain and snow showers likely (60%) Monday through Tuesday highs 50-45 lows 42-35. (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 with AM rain likely (60%), a good (50%) chance of showers this afternoon, cloudy with a  (40%) chance of showers tonight, a good (50%) chance of showers Thursday and breezy (wind: S 20-30 mph at the shore and S 10-20 mph inland, gusts to 40 mph increasing to 50 mph in the afternoon), a (40%) chance of showers Thursday night and  breezy (winds: S 20-30 at the shore and S 15-20 mph inland, gusts 50 mph decreasing to 40 mph late at night) highs 49-55 lows 39-45. Showers likely (60%) Friday and breezy, rain Friday night (Christmas Eve), rain Saturday (Christmas Day), rain and breezy Saturday night and Sunday, evening rain then showers late Sunday night and breezy, showers likely (60%) and breezy Monday, then showers likely (60%) Monday night and Tuesday highs 55-49 lows 46-39. (seasonal averages high 52 lows 39).

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Forecast for the Cascades of Lane County: Mostly cloudy with snow likely (60%) this  AM, rain and snow showers in the afternoon (1-3 in. of snow possible), mostly cloudy with a (30%) chance of rain and snow tonight, a (40%) chance of rain and snow Thursday and Thursday night snow 3,000 ft. today through Thursday, and 4,500 ft. to 3,500 ft. Thursday night highs 35-32 lows 24-28. Mostly cloudy with a good (50%) chance of rain or snow Friday and rain likely (60%) Friday night (Christmas Eve), rain likely (60%) Saturday (Christmas Day), rain and snow Saturday night and Sunday, then snow Sunday night through Tuesday snow level 5,000 ft. Friday, 6,500 ft. Friday night, 5,500 ft. Saturday and Saturday night, 4,000 ft. Sunday and 3,000 ft. Sunday night,  and 2,500 ft. Monday highs 38-30 lows between 29-23.

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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.