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Here is my weekly weather quiz question. This is your last chance this week to win. How do scientists forecast volcanic eruptions? Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.
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A high pressure (shaded “Arch” shaped area) has moved away from us while a trough of low pressure (Shaded “U” shaped area with blue arrows) has moved over us sending waves of moisture our way. A frontal system will push through the Pacific Northwest Monday leading a parade of storms that will increase the rain chances again.
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Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 9 AM SATURDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY LAKE COUNTY.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a (40%) chance of scattered showers and a slight (20%) chance of thunderstorms with possible small hail this evening, partly cloudy with patchy fog and a slight (20%) chance of isolated showers late tonight (under 0.10 in. of rain possible, more in storms), patchy AM fog, a mix of clouds and sun Saturday afternoon, partly cloudy with patchy fog late Saturday night, mostly cloudy with AM fog and a slight (20%) chance of showers Sunday (Veterans Day), rain likely (70%) in the afternoon (under 0.10 in. of rain possible), rain Sunday night (0.35 in. of rain possible), mostly cloudy with rain Monday (Federal Holiday), then showers Monday night lows 38-34 warming to near 40 Monday night highs 48-53. Mostly cloudy with a good (50%) chance of showers Tuesday, a slight (20%) chance of showers Tuesday night, a mix of clouds and sun with a slight (20%) chance of showers Wednesday, mostly cloudy with (30%) chance of showers Wednesday night, partly cloudy with a (40%) chance of showers Thursday, then mostly cloudy with a good (50%) chance of rain Thursday night and Friday highs near 52 lows 39-36 warming to 42 Thursday night. (seasonal averages high 54 low 39)
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a (40%) chance of rain and snow showers tonight (snow level 2,000 ft. rising to 2,500 ft. late, 1 in. of snow possible, under 0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of rain and snow showers Saturday, partly cloudy with patchy fog late Saturday night, AM fog with a slight (20%) chance of rain, mostly cloudy with rain (under 0.10 in. of rain possible) likely (60%) Sunday afternoon (Veterans Day), rain Sunday night (0.15 in. of rain possible) and Monday, then rain likely (60%) Monday night lows 32-45 highs 48-56. Mostly cloudy with showers likely (70%) Tuesday, a good (50%) chance of showers Tuesday night and Wednesday, a slight (20%) chance of showers Wednesday night and Thursday, a (30%) chance of showers Thursday evening, a (40%) chance of rain late Thursday night, then mostly cloudy with rain likely (60%) Friday highs 53-58 cooling to 54 Friday lows 43-47 cooling to 44 Thursday night. (seasonal averages high 56 low 41)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (30%) chance of showers tonight (under 0.10 in. of rain possible) and Saturday (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of showers in the evening, mostly cloudy with patchy fog late Saturday night (under 0.10 in. of rain possible), AM fog with a slight (20%) chance of showers, cloudy with rain (0.15 in. of rain possible) likely (70%) Sunday afternoon (Veterans Day), rain Sunday night (0.50 in. of rain possible), rain and breezy Monday (Federal Holiday), then rain Monday night lows 34-48 highs 50-55. Mostly cloudy with showers likely (60%) Tuesday, a good (50%) chance of showers Tuesday night through Thursday evening, a good (50%) chance of rain late Thursday night, then rain likely (60%) Friday highs 57-53 lows 48-50 cooling to 43 Thursday night. (seasonal averages high 56 low 44)
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Forecast for the Cascades of Lane County: Mostly cloudy with scattered snow showers this evening, snow showers likely (60%) tonight (1 in. of snow possible), a mix of clouds and sun with a slight (20%) chance of snow showers Saturday, just partly cloudy Saturday night, a mix of clouds and sun Sunday AM (Veterans Day), cloudy with a (40%) chance of snow in the afternoon, rain and snow Sunday night, rain Monday (Federal Holiday), then rain and snow showers Monday night snow level at the surface tonight and Saturday, free air freezing level at the surface Saturday night, snow level at the surface Sunday, 5,000 ft. Sunday night, 6,000 ft. Monday, then 5,500 ft. Monday night lows 23-20 warming to near 30 Monday night highs 29-40. Mostly cloudy with rain and snow showers likely (60%) Tuesday, a slight (20%) chance of rain and snow showers Tuesday night, a (30%) chance of rain and snow showers Wednesday and Wednesday night, mostly cloudy with a good (50%) chance of rain and snow showers Thursday, mostly cloudy with a good (50%) chance of rain and snow Thursday night, then a mix of clouds and sun with a good (50%) chance of rain and snow Friday snow level 6,000 ft. Tuesday, 4,500 ft. Tuesday night, 5,000 ft. Wednesday, 5,500 ft. Wednesday night, 4,500 ft. Thursday, then 5,000 ft. Thursday night and Friday highs 40-42 lows 24-30.
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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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