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 this afternoon (maybe a sprinkle along the foothills) then dry through Wednesday.  Low pressure returns and still another storm system will move toward the Oregon coast Wednesday night and Thursday bringing back the wet weather.

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Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON  TODAY FOR THE NORTH CASCADES (2-5″OF SNOW POSSIBLE THIS MORNING SNOW LEVEL RISING FROM 2,500′ TO 3,000′ IN THE AFTERNOON) , BUT NOT INCLUDING THE WILLAMETTE PASS AREA.

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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 with showers likely (60%) this morning and a decreasing chance this afternoon high 54. Mostly cloudy this evening then partly cloudy tonight with a slight (20%) chance of rain then a mix of clouds and sun and warmer Wednesday low 38 high 64. Partly cloudy Wednesday evening, becoming mostly cloudy at night with a good (50%) chance of rain low 40. Mostly cloudy with rain and becoming breezy and cooler Thursday high 50. Partly cloudy with a (30%) chance of showers Thursday night and a slight (20%) chance Friday through Sunday night lows near 33-37 highs 54-57. Mostly cloudy with a (30%) chance of showers Monday high 56.

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy today with showers likely (60%) this morning tapering off in the afternoon high 54. Mostly cloudy tonight low near 40.   Partly cloudy Wednesday high 64. Partly cloudy in the evening and mostly cloudy with a (40%) chance of rain Wednesday night and rain likely (60%) Thursday low 40 high 52. Just a slight (20%) chance of rain and snow showers and colder Thursday night low 34. Mostly cloudy with a slight (20%) chance of rain and snow showers Friday morning and a slight (20%) of rain showers in the afternoon and Friday night high 54 low 36. A slight (20%) chance of rain and snow showers Saturday morning then a slight (20%) chance of rain showers in the afternoon and Saturday night through Sunday and (30% ) Sunday night highs 62-57 lows 40. Mostly cloudy with a (30%) chance of showers Monday high 60.

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy with AM showers likely (60%) chance then decreasing chance in the afternoon high 55. Mostly cloudy cloudy tonight then partly cloudy Wednesday and Wednesday evening then becoming mostly cloudy with a (40% ) chance of rain inland late and a good (50%) chance of rain late at the coast lows 40-45 high 57 . Morning rain likely (60%) then a good (50%) chance of  afternoon rain Thursday and a slight (20%) chance of showers at night  high 55 low 37. Mostly cloudy with a slight (20%) chance of showers Friday through Sunday night highs 53-56 lows 38-42. Mostly cloudy with a (30%) chance of showers Monday high 56.

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Forecast for the Cascades of Lane County:  Morning snow then rain and snow showers this afternoon snow level 2,500′ rising to 4,000′ 1-4″ of snow possible high 38. Mostly cloudy with a (40%) chance of evening rain and snow then slight (20%) chance of rain and snow late tonight snow level 4,500′ low 26. AM clouds then a mix of clouds and sun Wednesday free air freezing level 7,000′ and partly cloudy Wednesday evening then mostly cloudy with a slight (20%) chance of rain Wednesday night snow level 6,500′ high 49 low 32. Mostly cloudy with rain and snow and colder Thursday snow level 4,500′ falling to 3,500′ high 37. Scattered snow showers Thursday night and a (30%) chance of snow showers Friday snow level 2,500′ low 24 high 38. Partly cloudy Friday night free air freezing level 4,500′ low 20. Partly cloudy with a slight (20%) chance of showers and a (40%) chance of rain and snow showers Saturday night  snow level 4,000′ rising to 5,000′ Saturday night high 48 low 22. Mostly cloudy with a (40%) chance of rain and snow showers Sunday through Monday snow level 3,500′ Sunday, 3,000′ Sunday night, and 2,500′ Monday highs near 42 low 25.

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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.