Here again is my weekly weather quiz question. What is the difference between freezing rain and sleet? Please post your answer as a comment after the forecasts on this page. The first person to post the correct answer will win one free week of personalized forecasts tailored to your needs.
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High Pressure (the arch-shaded and with blue arrows-moving ashore) is moving away from us to be replaced, temporarily by a low pressure trough (the “U” shape shaded with blue arrows in it) which has pushed a new frontal system through Oregon. High pressure will return for a while and then it’s back to low pressure and more storms next week.
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Advisories: A FROST ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 8 AM FRIDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A FREEZE WARNING IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 8 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY INCLUDING ROSEBURG, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY. A FREEZE WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING FOR CENTRAL DOUGLAS COUNTY INCLUDING ROSEBURG, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND 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: Partly cloudy this evening and mostly cloudy with a slight (20%) chance of showers tonight low near 30. Partly cloudy Friday with a slight (20%) chance of showers, just partly cloudy Friday night high 56 low 34. A mix of clouds and sun and warmer Saturday then mostly cloudy with a slight (20%) chance of showers Saturday night and Sunday highs 62-59 low 40. Partly cloudy Sunday night with a slight (20%) chance of showers low 42. Mostly cloudy with a (40%-50%) chance of showers Monday through Wednesday night and (30%) Thursday highs 57-53 lows near 39.
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy this evening and mostly cloudy tonight and Friday morning, breaking out to partly cloudy in the afternoon low 28 high 60. Partly cloudy Friday night and Saturday morning with patchy fog then mostly cloudy with a slight (20%) chance of showers Saturday afternoon low 30 high 62. Mostly cloudy with a slight (20%) chance of of evening thundershowers then a slight (20%) chance showers late Saturday night low 40. Mostly cloudy with a slight (20%) chance of showers Sunday and Sunday night and (30%) Monday highs 60-55 low near 40 . Mostly cloudy with good (50%) chance of rain Monday night low 40. A good (50%) chance of rain and snow Tuesday and Tuesday night high 55 low 39. Mostly cloudy with a (40%) chance of showers Wednesday and (30%) Wednesday night and Thursday highs in the upper 50s low 38.
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy tonight and Friday with a slight (20%) chance of AM showers at the beaches, patchy fog inland then partly cloudy Friday night and Saturday morning and becoming mostly cloudy Saturday afternoon with a slight (20%) chance of coastal showers lows 34 highs 55. Mostly cloudy with a slight (20%) chance of evening showers inland Saturday night low 40. Mostly cloudy Sunday and Sunday night with a slight (20%) chance of showers then a slight (20%) chance of rain Monday highs near 55 low 42-39. Mostly cloudy with a (20%) chance of rain Monday night through Tuesday night lows 42-40 highs near 54 . Mostly cloudy with a (40%) chance of showers Wednesday through Thursday highs 57 lows near 40 .
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Forecast for the Cascades of Lane County: Cloudy with a (30%) chance of snow showers and colder tonight snow level 2,500′ low 20. A (30%) chance of scattered snow showers Friday snow level 3,500′ in the afternoon high 40. Partly cloudy Friday night with a slight (20%) chance of evening snow showers free air freezing 5,500′ falling to 5,000′ late at night low 22. A mix of clouds and sun Saturday and a bit warmer free air freezing level 4,500′ rising to 5,000′ high 49. Mostly cloudy Saturday night with a (30%) chance of showers snow level 4,500′ low 27. A (40%) chance of rain and snow showers Sunday through Thursday snow level 4,000′ to 4,500′ falling to 3,500′ Tuesday rising to 4,000′ Tuesday night through Thursday highs 47-40 lows 30-25.
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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.