_______________
Check out my new Eugene Daily News column Weather or Not: TBA ASAP.
________________
Here is my new weekly weather quiz question. Please define the term “backdoor cold front.” 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.
________________
An upper level low (Shaded “U” shape, more like a donut) has taken over bringing rain and dropping temperatures drastically. This unsettled weather will continue for the rest of the week as the low rotates over and then past us late Friday. It looks like there will still be just a chance of showers for the long Memorial Day Holiday weekend so plan accordingly. It will feel the coldest near or on the water. A complex frontal system will be approaching the West Coast Wednesday.
________________
Advisories: NONE AT THIS TIME.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with AM sun peeks and a slight (20%) chance of rain, increasing clouds to mostly cloudy with rain becoming likely (70%) this afternoon (0.25 in. of rain possible), evening rain, showers late tonight (0.50 in. of rain possible), showers likely (70%) Friday (0.10 in. of rain possible), a slight (20%) chance of showers Friday night (under 0.10 in. of rain possible) and Saturday AM, mostly cloudy with a (40%) chance of showers Saturday afternoon (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of showers at night, mostly cloudy with a good (50%) chance of showers Sunday, then a (40%) chance of rain Sunday night highs 58-65 lows 47-42 warming to 45 Sunday night. Cloudy with a (40%) chance of rain Monday (Memorial Day), a good (50%) chance of rain at night, rain likely (70%) Tuesday and Tuesday night, then mostly cloudy with showers likely (60%) Wednesday highs 66-63 lows 45-50 cooling to 46 Tuesday night. (seasonal averages high 68 low 45)
________________
Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a good (50%) chance of showers this AM, showers likely (60%) this afternoon (0.10 in. of rain possible), showers tonight (0.30 in. of rain possible), AM showers likely (70%), a (30%) chance of showers Friday afternoon (under 0.10 in. of rain possible), a slight (20%) chance of showers at night, then mostly cloudy with a (40%) chance of showers Saturday and Saturday night (under 0.10 in. of rain possible) highs 62-70 lows 47-45 warming to near 50 Saturday night. Mostly cloudy with a (30%) chance of showers Sunday, a slight (20%) chance of showers at night, mostly cloudy with a (40%) chance of showers Monday (Memorial Day), mostly cloudy with showers likely (60%) Monday night through Tuesday night, then mostly cloudy with a (40%) chance of showers Wednesday highs 72-66 warming to 72 Wednesday lows 48-52 cooling to 48 Tuesday night. (seasonal averages high 71 low 48)
_________________
Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with showers spreading this afternoon (0.30 in. of rain possible), showers tonight (0.45 in. of rain possible), coastal showers likely (70%) Friday AM, a good (50%) chance of showers in the afternoon (under 0.10 in. of rain possible), a slight (20%) chance of showers Friday night, then mostly cloudy with a (40%) chance of showers Saturday and Saturday night (under 0.10 in. of rain possible) highs 58-56 lows 49-46. Mostly cloudy with a good (50%) chance of showers Sunday, showers likely (60%) at night, mostly cloudy with a (40%) chance of showers Monday (Memorial Day), showers likely (70%) Monday night through Tuesday night, then mostly cloudy with a good (50%) chance of showers Wednesday highs 60-64 lows 49-52 cooling to 47 Tuesday night. (seasonal averages high 60 low 48)
________________
Forecast for the Cascades of Lane County: Mostly cloudy with a (40%) chance of rain and snow this AM, rain and snow likely (70%) this afternoon (0.10 in. of rain possible, 1 in. of snow possible), rain and snow this evening, rain and snow showers late tonight (0.75 in. of rain possible, 3-6 in. of snow possible), rain and snow showers Friday (0.10 in. of rain possible, 1 in. of snow possible), a (40%) chance of evening showers, a slight (20%) chance of showers late Friday night and Saturday AM, a mix of clouds and sun and a bit warmer with a (40%) chance of showers Saturday afternoon, then mostly cloudy with a good (50%) chance of showers Saturday night snow level 3,500 ft. today, and tonight, 5,000 ft. Friday, 6,000 ft. Friday night and Saturday, then 7,000 ft. Saturday night highs 40-53 lows 30-35. Mostly cloudy with a good (50%) chance of showers Sunday, a good (50%) chance of rain at night, cloudy with a (40%) chance of rain Monday (Memorial Day), mostly cloudy with rain likely (60%) Monday night through Tuesday night, then mostly cloudy with showers likely (60%) Wednesday snow level 7,000 ft. Sunday, 7,500 ft. Sunday night, 8,000 ft. Monday, above 8,000 ft. Monday night, 8,000 ft. Tuesday and Tuesday night, then 7,000 ft. Wednesday highs 50-55 cooling to 50 Wednesday lows 36-40 cooling to 36 Tuesday night.
________________
**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.
________________
Get your local Eugene-Springfield news on-line at Eugene Daily News.com.
________________