Here 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)  will build in making for clearing skies and dry through Wednesday. Low pressure returns and still another storm system will move Southeastward into California for at least a slight chance of wet weather then it’s back to sunshine by Friday.

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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: Mostly cloudy tonight with a slight (20%) chance of some sprinkles, then a mix of clouds and sun after morning clouds and warmer Wednesday low 36 high 64. Partly cloudy Wednesday evening, becoming mostly cloudy at night with rain becoming likely by late night low 40. Mostly cloudy with AM rain Thursday then afternoon showers and much cooler high 48. Mostly cloudy with a slight (20%) chance of showers Thursday night low 33. Partly cloudy Friday  and Friday night high 50 low 30. A mix of clouds and sun Saturday then partly cloudy at night with a slight (20%) chance of showers Saturday night through Sunday night lows near  36-40 highs 58-55. Mostly cloudy with a (30%) chance of showers Monday then a (40%) chance of rain Monday night and Tuesday highs 57-55 low 37 .

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy this evening then partly cloudy late tonight low near 40. Partly cloudy Wednesday and Wednesday evening then mostly cloudy with a (40%) chance of rain late Wednesday night high 66 low 40. Cloudy with AM rain Thursday  then afternoon showers then mostly cloudy Thursday night  through Saturday highs 52-59 lows 36. A slight (20%) chance of showers Saturday night and a slight (20%) chance of rain and snow showers Sunday low 38 high 55. Mostly  cloudy with a slight (20%) chance of evening showers then a slight (20%) chance or rain and snow showers late at night and a (40%) chance of rain and snow showers Monday low 37 high 62. Mostly cloudy with a (40%) chance of rain and snow Monday night and Tuesday low 40 high 55.

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy tonight then partly cloudy Wednesday and Wednesday evening then becoming mostly cloudy with rain late along the coast and likely (60%) inland late lows 39 high 56. Cloudy with AM rain Thursday then a good (50%) chance of afternoon showers and breezy (winds Northwest 15-25 mph decreasing to 10-15 mph in the afternoon high 53.  Mostly cloudy Thursday night then mostly cloudy with a slight (20%) chance of showers Friday morning low 37 high 51. Mostly cloudy Friday night and Saturday then a slight (20%) chance of showers Saturday night through Sunday night lows 38-42 highs 50-53 . Mostly cloudy with a (20%) chance of showers Monday then a good (50%) chance of rain Monday night and Tuesday low 40 high 55.

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Forecast for the Cascades of Lane County:  Mostly cloudy with a (40%) chance of evening then a () chance of rain and snow late mainly North of Santiam pass snow level 4,500′ low 24. AM clouds then a mix of clouds and sun Wednesday free air freezing level 7,000′ high 52. Partly cloudy Wednesday evening then mostly cloudy with a slight (20%) chance of rain Wednesday night with rain developing North of Santiam Pass with a (40%) chance South of the pass snow level 6,500′ high 49 low 32. Mostly cloudy with AM rain or snow then showers in the afternoon windy (winds becoming West 20-30 mph with gusts 40-60 mph on the ridges and higher terrain) and colder Thursday snow level 5,000′ falling to 3,500′ high 34. Cloudy with showers likely (60%) Thursday night and windy (winds West 20-30 mph with gusts 40-60 mph on the ridges and higher terrain then decreasing to 10-20 mph late) snow level 3,500′ low 20. A slight (20%) chance of snow showers Friday snow level 3,000′ high 38. Partly cloudy Friday night with a slight (20%) chance of showers snow level 3,000′ low 23. A mix of clouds and sun Saturday free air freezing level 4,500’and partly cloudy Saturday night  and Sunday with a (30%) chance of showers snow level 5,000′ Saturday night and 3,500′ Sunday highs 46-42 low 22. Mostly cloudy with a (40%) chance of  showers Sunday night and Monday snow level 3,000′ falling to 2,500′ Monday highs low 25 near 45 . Mostly cloudy with a good (50%) chance of snow or rain Monday night and Tuesday snow level 3,000′ low 25 high 40.

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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.