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Here is my new weather quiz question for this week. On average there are about 50,000 of these per day over the world and 10 million of them in a year. What kind of weather event am I describing? Please post your answer as a comment after the forecasts on this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

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The upper airflow is moving from Northwest to Southeast bringing warm then colder air toward us. A cold front cold front dropped down Monday bringing some light rain or drizzle. We’ll have a short break from the rain then another trough of low pressure will slide in along the coast sending more storms our way. A complex frontal system will push into Oregon Wednesday with rain as the result.

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Advisories:  NONE AT THIS TIME.

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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: Mostly cloudy with a slight (20%) chance of showers this AM, a mix of clouds and sun with a slight (20%) chance of showers this afternoon, then mostly cloudy and colder with patchy fog tonight, clouds and sun with patchy fog Wednesday AM, mostly cloudy with a good (50%) chance of rain  and breezy (wind: S 10-15 mph increasing to S 15-30 mph) in the afternoon, rain at night and Thursday, with rain likely (60%) Thursday night highs 54-47 lows 42-38. Mostly cloudy rain likely (60%) Friday through Saturday night, then mostly cloudy with a good (50%) chance of rain Sunday through Monday highs 47-42 lows 39-33. (seasonal averages highs 52 low 37)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with fog early this AM with a slight (20%) chance of rain, becoming partly cloudy this evening, then mostly cloudy with areas of fog late tonight and Wednesday AM, a slight (20%) chance of rain in the afternoon, a good (50%) chance in the evening, and rain Wednesday night highs near 53 lows 40-43. Mostly cloudy with rain Thursday (snow level 3,500 ft. falling to 2,500 ft. in the afternoon, rain and snow likely (60%) Thursday night, and Friday, rain and snow Friday night through Saturday night, rain and snow showers Sunday and Sunday night, and mostly cloudy with a (30%) chance of rain and snow showers Monday highs 48-44 lows 44-34. (seasonal averages high 55 low 40)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of fog this AM, mostly cloudy  with a slight (20%) chance of rain this morning,  partly cloudy this evening, mostly cloudy at night with more fog late, AM clouds and fog, mostly cloudy and breezy (wind: S 15-25 mph) Wednesday, a slight (20%) chance of rain in the afternoon, coastal rain Wednesday night, evening rain likely (60%) then rain late at night inland,  breezy (winds: SW 15-25 mph gusts to 40 mph in the evening), rain Thursday, and rain likely (60%) Thursday night highs 55-49 lows 40-44. Mostly cloudy with showers Friday, rain Friday night through Saturday night, showers Sunday and Sunday night, then a (40%) chance of showers Monday highs near 50 lows 40-37. (seasonal averages high 56 lows 43).

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Forecast for the Cascades of Lane County:  Mostly cloudy with a (30%) chance of showers early, rain and snow showers (2-4 in. of snow possible) and breezy (wind: W 15-25 mph decreasing to S 5-15 mph), decreasing clouds with a slight (20%) chance of rain and snow showers this evening, then more clouds with a (40%) chance of rain and snow and breezy (wind: SW 10-15 mph increasing to S 15-25 mph in the afternoon) Wednesday afternoon (0.25 in. of rain possible),  rain and snow likely (60%) Wednesday night (9-12 in. of snow possible),  snow Thursday (3-6 in. of snow possible), and rain and snow likely (60%) Thursday night snow level 5,000 ft. today through Wednesday, 4,500 ft.  falling to 4,000 ft. Wednesday night, falling to 2,500 ft. Thursday, and 3,000 ft. Friday night highs 40-34 lows 30-22. Mostly cloudy with snow likely (60%) Friday and Friday night, and a good (50%) chance Saturday through Monday snow level 3,000 ft. Friday and Friday night, 2,500 ft. Saturday, and 3,000 ft. Saturday night, and at the surface Sunday through Monday highs 33-28 lows near 22.

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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.