Here’s your last chance to answer this week’s weekly weather quiz. This one is relatively easy.  What is an ombrometer? Please post your answer as a comment following this forecast. The first person to post the correct answer will win one week of free personalized forecasts tailored to your personal needs.

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A high pressure ridge is slowly getting weaker and drifting eastward and a low pressure trough is moving in behind it.  A frontal system has pushed into Oregon with rain ahead of and behind it.

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Advisories:   A WIND ADVISORY IS IN EFFECT FROM 1 PM UNTIL 10 PM TONIGHT FOR NORTHERN AND EASTERN KLAMATH COUNTY AND EASTERN, CENTRAL, AND WESTERN LAKE COUNTY . A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE SOUTHERN AND SOUTH CENTRAL OREGON CASCADES ABOVE 5,500′ AND ABOVE 5,000′  FOR NORTHERN AND EASTERN KLAMATH COUNTY AND  WESTERN LAKE COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:  Rain today high 52. Mostly cloudy with periods of evening rain then showers likely (60%) tonight low 42. Mostly cloudy with a good (50%) chance of showers Saturday decreasing through the afternoon and partly cloudy with patchy fog late Saturday night high 55 low 37. A mix of clouds and sun Sunday after morning fog or low clouds and partly cloudy Sunday night with patchy fog late high 57 low 35. A mix of clouds and sun Monday morning then increasing clouds with rain likely (60%) at night high 56 low 37. Rain likely (60%) Tuesday high 54. Mostly cloudy with a good (40%-50%) chance of rain Tuesday night through Thursday lows near 40 highs  53-57.

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Forecast for the Umpqua Basin including Roseburg:  Rain today high 57.  Mostly cloudy with evening rain then showers likely (60%) late tonight snow level 3,500′ late low 43. Mostly cloudy Saturday with a good (50%) chance of showers  snow level 3,500′ in the morning high 55. Mostly cloudy with a slight (20%) chance of evening showers then patch fog late Saturday night low 39. AM and late overnight clouds and fog then just partly cloudy Sunday and Sunday night high 57 low 40. Mostly cloudy Monday with AM fog then a good (50%) chance of rain high 59. Rain likely (60%) Monday night through Tuesday and a good (50%) chance Tuesday night lows 40 high 57. Mostly cloudy with a (40%) chance of rain Wednesday through Thursday highs 56-59 lows near 40.

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy and breezy ( South 20-30 mph then East 10-15 this afternoon at the coast and Southeast 10-15 inland) with rain today high 55. Evening rain then showers likely (60%) late tonight low 44. Mostly cloudy Saturday with a (40%) chance of showers high 52. Mostly cloudy Saturday evening with a slight (20%) chance of showers then partly cloudy with areas of fog late low 43. Partly cloudy Sunday and Sunday night with AM and late night fog or clouds high 55 low 43.  Mostly cloudy with AM fog and a (40%) chance of rain Monday high 53. Rain Monday night and Tuesday with rain likely (60%) Tuesday night lows 44 high. Mostly cloudy with a good (50%) chance of rain Wednesday through Thursday highs 56 low.

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Forecast for the Cascades of Lane County:  Rain today snow level 6,000′ 4-8″ of snow high 39. Occasional evening rain and snow then rain and snow showers tonight snow level 6,000′ falling to 4,000′ late 3-6″ of snow low 30.  Mostly cloudy with rain and snow showers likely (60%) Saturday snow level 3,500′ high 40. Scattered evening rain and snow showers then a slight (20%) chance of snow showers late Saturday night snow level 4,000′ low 26. A mix of clouds and sun Sunday free air freezing level 4,000′ rising to 7,500′ in the afternoon high 44. Partly cloudy Sunday night free air freezing level rising to 8,000′ low 28. A mix of clouds and snow Monday morning then increasing afternoon clouds free air freezing level 8,000′ high 44. Mostly cloudy rain and snow likely (60%) Monday night snow level falling to 4,000′ late low 27.  Mostly cloudy with rain or snow likely (60%) Tuesday snow level 3,500′ high 42. Mostly cloudy with a (50%) chance of rain and snow Tuesday through Thursday snow level stable at 4,500′ highs near 40 lows 30 .

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