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The jet stream shows another cold trough of low pressure ( “U” shaped area) pushing down toward the Pacific Northwest. A cold front is headed South from the Gulf of Alaska. Rain is moving in ahead of the front. More frontal systems will be coming our way this week producing even more precipitation.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 8 PM THIS EVENING UNTIL 6 AM MONDAY FOR THE NORTH AND CENTRAL OREGON COAST. A WINTER STORM WARNING IS IN EFFECT UNTIL 6 PM MONDAY FOR THE NORTHERN COAST RANGE OF OREGON AND FROM MIDNIGHT TONIGHT UNTIL MIDNIGHT MONDAY NIGHT FOR THE  CENTRAL COAST RANGE OF OREGON. A WINTER STORM WARNING IS IN EFFECT FROM 10 PM THIS EVENING THROUGH 10 PM MONDAY  FOR THE NORTH OREGON CASCADE FOOTHILLS  AND THE NORTH OREGON CASCADES, AND THE UPPER HOOD RIVER VALLEY .  A WINTER STORM WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT FOR THE CASCADES FOOTHILLS IN LANE COUNTY AND FOR THE CASCADES IN LANE COUNTY.  A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM MONDAY THROUGH 4 AM TUESDAY ABOVE 2,500 FT. FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND THE EASTERN JACKSON COUNTY FOOTHILLS. A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM MONDAY THROUGH 4 AM TUESDAY ABOVE 4,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.  A HIGH WIND WARNING IS IN EFFECT FROM 1 AM  THROUGH 7 PM MONDAY  FOR NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN , CENTRAL, AND EASTERN LAKE COUNTY.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain tonight (0.25 in. of rain possible) and windy (wind: S 15-20 mph increasing to S 25-30 mph late),  rain Monday (0.75 in. of rain possible) and windy (wind: S 25-30 mph shifting SW 10-15 mph in the afternoon),  rain Monday night (0.75 in. of rain possible), rain Tuesday (0.50 in. of rain possible), rain likely (60%) Tuesday night (0.25 in. of rain possible), rain and breezy Wednesday, then showers likely (60%) Wednesday night lows 34-39 highs 44-49. Mostly cloudy with showers likely (60%) Thursday and Thursday night, mostly cloudy with a (40%) chance of rain Friday, rain likely (60%) Friday night and Saturday, then mostly cloudy with a good (50%) chance of rain Saturday night and Sunday highs 46-50 lows 34-37. (seasonal  averages high 53 low 36)

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Forecast for the Umpqua Basin including, Roseburg:  Cloudy with rain and snow tonight (snow level 2,000 ft. falling to 1,500 ft. late, 1 in. of snow possible), rain and snow Monday (snow level 1,500 ft. rising to 2,000 ft. in the afternoon, 1-2 in. of snow possible) and breezy (wind: SW 15-25 mph), rain and snow Monday night (snow level 2,000 ft.), rain and snow Tuesday AM, rain likely (60%) Tuesday afternoon (snow level 2,000 ft. rising to 2,500 ft. in the afternoon),  rain likely (60%) Tuesday night (snow level 3,500 ft.),  rain and breezy Wednesday, then rain and snow showers Wednesday night lows 39-34 highs 46-53. Mostly cloudy with rain and snow showers likely (60%) Thursday and Thursday night, a good (50%) chance of rain Friday, rain likely (60%) Friday night, then rain likely (60%) Saturday through Sunday highs 46-50 lows near 35. (seasonal averages high 57 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain tonight (snow level 2,000 ft. late) and windy (winds: SW  25-35 mph at the beaches and S 15-25 mph inland, gusts to 50 mph late), rain Monday (snow level 2,000 ft.) and windy (wind: SW 25-35 mph decreasing to SW 15-20 mph in the afternoon at the shore), rain Monday night (snow level 2,000 ft.), AM rain, rain likely (60%) Tuesday afternoon and evening, rain Tuesday night, rain and windy Wednesday, then showers Wednesday night lows 42-38 highs 47-50. Mostly cloudy with showers likely (60%) Thursday and Thursday night, rain likely (60%) Friday through Saturday, rain Saturday night, and rain likely (60%) Sunday highs near 48 lows near 39.(seasonal averages high 55 low 41).

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Forecast for the Cascades of Lane County:  Mostly cloudy with snow and rain this evening,   snow late tonight (1-4 in. of snow possible) and windy (winds: SW 25-35 mph gusts to 45 mph increasing to 60 mph late tonight),  snow Monday (6-12 in. of snow possible) and windy (wind: SW 20-30 mph gusts to 50 mph in the afternoon), snow Monday night (6-12 in. of snow possible), AM snow, snow and rain likely (60%) Tuesday afternoon (2-5 in. of snow possible), rain and snow likely (60%) Tuesday night (1-3 in. of snow possible), rain and snow and breezy Wednesday, then snow showers likely (60%) Wednesday night snow level 3,000 ft. this evening, falling to 2,500 ft. late tonight through Tuesday AM rising to 3,000 ft. in the afternoon, 4,500 ft. falling to 3,500 ft. Tuesday night, 5,000 ft. falling to 3,500 ft. Wednesday, and 2,500 ft. Wednesday night lows 25-22 highs 30-37. Mostly cloudy with snow showers likely (60%) Thursday and Thursday night, snow likely (60%) with rain likely (60%) Friday, rain and snow likely (60%) Friday night and Saturday, then snow likely (60%) with rain likely (60%)  Saturday night and Sunday snow likely (60%) with a good (50%) chance of rain Saturday night snow level at the surface Thursday and Thursday night, 3,500 ft. Friday, 5,000 ft. Friday night, falling to 3,500 ft. Saturday, 4,000 ft. Saturday night, and 3,500 ft. Sunday highs 32-39 lows 20-27.

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