________________

Here is my new weekly weather quiz question. What is “meteoric water”? 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.

________________

Another upper level high pressure ridge (the shaded “Arch” shape) is sitting just off shore. The ridge has flattened out (not as high an arch) so a frontal system is on its way to the Oregon coast. By the weekend another frontal system will move in keeping the chance of rain alive.

________________

Advisories: AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR THE KLAMATH BASIN, NORTHERN, AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a (30%) chance of rain this AM, a good (50%) chance of rain this afternoon (under 0.10 in. of rain possible), cloudy with rain likely (60%) this evening, patchy fog with a good (50%) chance of rain late tonight (under 0.10 in. of rain possible), mostly cloudy with patchy fog and a (30%) chance of AM showers, a slight (20%) chance of showers Thursday afternoon, partly cloudy in the evening, mostly cloudy with areas of fog late at night, AM clouds and fog, then partly cloudy Friday afternoon and evening with areas fog late Friday night highs 50-55 lows 39-35. Mostly cloudy with a good (50%) chance of rain Saturday, a good (50%) chance of showers Saturday night, a slight (20%) chance of showers Sunday, just mostly cloudy Sunday night, mostly cloudy with a good (50%) chance of rain Monday (Presidents’ Day), rain likely (70%) Monday night, then mostly cloudy with showers likely (70%) Tuesday highs 47-45 lows 35-32 warming to 36 Monday night. (seasonal averages high 51 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of rain with patchy fog this AM, mostly  cloudy with a slight (20%) chance of rain this afternoon, a slight (20%) chance of rain tonight with patchy fog late at night and Thursday AM, just mostly cloudy in the afternoon, partly cloudy with areas of fog late Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear in the evening, then just mostly cloudy late Friday night highs 52-58 lows near 42. Mostly cloudy with rain likely (60%) Saturday, a good (50%) chance of evening rain, a (40%) chance of rain and snow showers late Saturday night, mostly cloudy with a (30%) chance of of rain and snow showers Sunday, a slight (20%) chance of rain and snow showers Sunday night, mostly cloudy with a (30%) chance of rain and snow showers Monday (Presidents’ Day), rain and snow likely (70%) Monday night and Tuesday AM, then snow and rain showers in the afternoon highs 52-46 lows 39-36 warming to 42 Monday night. (seasonal averages high 53 low 37)

_________________

Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a slight (20%) chance of rain and patchy coastal fog this AM, cloudy with a slight (20%) chance of rain this afternoon and evening, patchy coastal fog with a slight (20%) chance of rain late tonight, patchy AM coastal fog, mostly cloudy Thursday, partly cloudy Thursday night with patchy coastal fog late at night, then partly cloudy after patchy AM fog Friday and Friday night highs 52-57 lows near 43. Mostly cloudy with rain likely (60%) Saturday, a good (50%) chance of evening rain, a (40%) chance of showers late Saturday night and Sunday, a slight (20%) chance of showers Sunday night, mostly cloudy with a (40%) chance of showers Monday (Presidents’ Day), rain at night, AM rain likely (60%), then showers Tuesday afternoon highs 52-44 lows 39-36 warming to 42 Monday night. (seasonal averages high 53 low 40)

_______________

Forecast for the Cascades of Lane County: Cloudy a (30%) chance of AM rain and snow, rain and snow likely (60%) this afternoon (0.10 in. of rain possible), evening rain and snow, a (40%) chance of rain and snow late tonight (0.10 in. of rain possible), mostly cloudy with a good (50%) chance of rain and snow showers Thursday AM, a slight (20%) chance of showers in the afternoon, just partly cloudy Thursday night and Friday AM, mostly sunny in the afternoon, then partly cloudy Friday night snow level 4,500 ft. today, 5,000 ft. tonight and  Thursday, free air freezing level 7,000 ft. rising to 7,500 ft. late Thursday night, 8,000 ft. Friday, then 9,000 ft. Friday night highs 37-45 lows near 28. Mostly cloudy with a good (50%) chance of rain Saturday, a good (50%) chance of rain and snow Saturday night, a (30%) chance of snow showers Sunday, just partly cloudy at night, mostly cloudy with a slight (20%) chance of rain and snow Monday (Presidents’ Day), rain and snow likely (70%) at night, then snow showers likely (70%) Tuesday snow level 5,500 ft. falling to 4,500 ft. Saturday, 3,000 ft. Saturday night, 2,500 ft. Sunday, free air freezing level at the surface Sunday night, snow level 3,500 ft. Monday, 3,000 ft. Monday night, then at the surface Tuesday highs 38-40 cooling to near 30 Tuesday lows near 25.

________________

**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.

________________