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We had a bit of a break from the more serious rain and now a weak cold front (still offshore) is headed our way and will make landfall by Monday. An upper level High Pressure ridge (“Arch” shaped shaded area) will build up and protect us from any storms. Another large trough of low pressure (“U” shaded area over the ocean) will come in behind the ridge by late in the week. A cold front will be moving through the Pacific Northwest Friday bringing back more wet weather.
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Advisories: A HIGH SURF WARNING IS IN EFFECT FROM 11 PM MONDAY UNTIL 11 PM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH 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 tonight, mostly cloudy with a slight (20%) chance of rain Monday AM, rain likely (60%) in the afternoon, rain in the evening, a (30%) chance of rain Monday night (0.25 in. possible), mostly cloudy Tuesday with a slight (20%) chance of AM rain, partly cloudy Tuesday night with areas of patchy fog late lows 48-43 highs 64-66. Early AM and late night fog then mostly sunny Wednesday and Thursday, mostly cloudy with a slight (20%) chance of rain Thursday night, rain likely (60%) Friday, mostly cloudy with a good (50%) chance of showers Friday night, a (40%) chance of rain Saturday, then mostly cloudy with a (40%) chance of rain Saturday night and Sunday highs 64-56 lows 44-40. (seasonal averages highs 58 low 39)
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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with a slight (20%) chance of showers this evening with fog late tonight and Monday AM, mostly cloudy with a (40%) chance of rain Monday afternoon, cloudy with a good (50%) chance of rain Monday night with patchy fog late, mostly cloudy with patchy fog and a slight (20%) chance of showers Tuesday AM, partly cloudy Tuesday night with fog late lows 54-48 highs 63-68. AM and late night fog then partly cloudy Wednesday and Thursday, mostly cloudy with a slight (20%) of rain Thursday night, rain likely (60%) Friday, a good (50%) chance of rain Friday night, a (40%) chance of chance of showers Saturday, and mostly cloudy with a good (50%) chance of rain Saturday night and Sunday highs 65-54 lows holding near 45. (seasonal averages high 62 low 42)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy a (30%) chance of rain and breezy (winds: S 15-25 mph gusts to 40 mph) late at night with patchy fog late, AM fog, mostly cloudy with AM fog and breezy (winds: S 15-25 at the shore and S 10-20 inland) Monday, a slight (20%) chance of showers at the shore in the afternoon and afternoon rain likely (60%) inland, evening rain then rain likely (60%) at night at the shore, evening rain likely (60%) then a good (50%) chance of rain late, areas of fog late Monday night and Tuesday AM, just a slight (20%) chance of rain in the AM Tuesday then mostly cloudy in the afternoon, partly cloudy with patchy fog late Tuesday night lows 56-46 highs 62-67. Partly cloudy with AM and late night patchy fog Wednesday through Thursday, mostly cloudy Thursday night with a (30%) chance of rain, mostly cloudy with rain likely (60%) Friday, a good (50%) chance of rain Friday night, a good (50%) chance of showers Saturday, and rain likely (60%) Saturday night and Sunday highs 64-54 lows 50-45. (seasonal averages high 60 lows 44).
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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of rain late tonight and Monday (0.25 in. of rain ) afternoon, breezy (winds: S 15-25 mph), a (30%) chance of rain Monday evening and again Tuesday AM, a mix of clouds and sun Tuesday afternoon, and partly cloudy Tuesday night free air freezing level 7,50 ft. rising to 10,000 ft. late tonight, snow level above 8,000 ft. Monday through Tuesday, a free air freezing level 13,000 ft. Tuesday night lows 34-39 highs 49-58. Mostly sunny Wednesday, partly cloudy Wednesday night, a mix of clouds and sun Thursday, mostly cloudy Thursday night, rain likely (60%) Friday, mostly cloudy with a (20%) chance of showers Friday night, then mostly cloudy with a good (50%) chance of rain Saturday through Sunday snow level above 8,000 ft. Tuesday, free air freezing level 13,000 ft. Wednesday, 12,000 ft. Wednesday night, 11,000 ft. Thursday and Thursday night, snow level 8,000 ft. Friday, and 6,000 ft. Friday night, 5,500 ft. Saturday, and 6,000 ft. Saturday night and Sunday highs 62-47 lows near 39 cooling to near 34 Friday night and Saturday night.
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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.