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Advisories: NONE AT THIS TIME.
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The upper air flow (shaded area with blue arrows) will keep clouds and moisture over us through tonight and then migrate to the North a bit. A frontal system is sliding down today with that airflow, but it looks like it will clear out more quickly behind it. That jet stream will move to the North allowing high pressure to take over and bring back the sun, for a while at least, starting Monday. That’s a day sooner than I originally expected.
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WEEKEND METEOR SHOWER: The Earth has entered a stream of debris from Halley’s comet, source of the annual Orionid meteor shower. Forecasters expected the shower to peak Saturday morning with more than 15 meteors per hour, but it will continue for the next few days too. Check http://spaceweather.com for links to a live meteor radar, sky maps and observing tips. Good luck finding them through the clouds until Monday night, but remember you need to be away from the city lights to se much of anything.
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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, mostly cloudy with a slight (20%) chance of showers today, mostly cloudy with a slight (20%) chance of showers this evening, partly cloudy late tonight, a mix of clouds and sun Monday, partly cloudy and colder Monday night patchy frost late at night and early Tuesday AM, mostly sunny Tuesday, then mostly clear Tuesday night with a chance of patchy frost late highs 65-56 lows 42-33. Mostly sunny Wednesday with a chance of patchy AM frost, partly cloudy Wednesday night, just mostly cloudy Thursday and Thursday night, mostly cloudy with a slight (20%) chance of rain Friday and Friday night, then mostly cloudy with a (30%) chance of rain Saturday highs 58-65 cooling to near 60 Saturday lows near 43. (seasonal averages high 61 low 40)
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with patchy fog early this AM, mostly cloudy this afternoon through Monday AM, partly cloudy Monday afternoon and evening, mostly clear with patchy frost late Monday night and early Tuesday AM, mostly sunny in the afternoon, then mostly clear with patchy frost late Tuesday night highs 67-58 lows 45-33. Patchy AM frost, mostly sunny Wednesday, partly cloudy Wednesday night, mostly cloudy Thursday and Thursday night, mostly cloudy with a slight (20%) chance of rain Friday and Friday night, then cloudy with a slight (20%) chance of rain Saturday highs 58-69 cooling to 62 Saturday lows 37-47. (seasonal averages high 63 low 44)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with coastal fog early this AM, mostly cloudy this afternoon, a slight (20%) chance of showers this evening, mostly cloudy tonight and Monday AM, mostly sunny in the afternoon, partly cloudy Monday evening, mostly clear Monday night, mostly sunny Tuesday, then mostly clear Tuesday night highs 63-58 lows 48-42. Mostly sunny Wednesday, partly cloudy Wednesday night, mostly cloudy Thursday and Thursday night, mostly cloudy with a slight (20%) chance of rain Friday, a (30%) chance of rain Friday night, then cloudy with a (30%) chance of rain Saturday highs 60-65 cooling to near 60 Saturday lows 43-50. (seasonal averages high 60 low 45).
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Forecast for the Cascades of Lane County: A mix of clouds and sun today, mostly cloudy with a slight (20%) chance of showers tonight, partly cloudy Monday and Monday night, colder at night, mostly sunny Tuesday, then mostly clear Tuesday night free air freezing level 12,000 ft. falling to 11,000 ft. this afternoon, snow level 8,000 ft. falling to 7,000 ft. tonight, free air freezing level 6,000 ft. Monday, 5,000 ft. Monday night, 5,000 ft. rising to 6,000 ft. Tuesday, rising to 7,500 ft. Tuesday night highs 56-42 warming to 48 Tuesday lows 32-28. Mostly sunny Wednesday, partly cloudy Wednesday night, a mix of clouds and sun Thursday, mostly cloudy Thursday night, mostly cloudy with a slight (20%) chance of rain Friday and Friday night, then a mix of clouds and sun with a (40%) chance of rain Saturday free air freezing level 10,000 ft. Wednesday, 11,000 ft. Wednesday night, 12,000 ft. Thursday, 11,000 ft. Thursday night, snow level above 8,000 ft. Friday and Friday night, then falling to 6,000 ft. Saturday highs 50-56 cooling to 52 Saturday lows near 35.
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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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Get your local Eugene-Springfield news on-line at Eugene Daily News.com.
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