Here’s my new Weekly Weather Quiz. The question: When were clouds first classified and who was responsible for naming them? Please place your answer as a comment after this forecast. The first person to post the correct answer will win one week of free personalized weather forecasts tailored to your personal needs. Good luck!

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The high pressure ridge that gave us the sunshine has moved eastward enough to allow a frontal system to move in and bring back the rain. Another frontal system will approach the coast Friday.

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Advisories: A HIGH SURF ADVISORY IS IN EFFECT FROM 1 AM TO 4 PM TUESDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:  Mostly cloudy with a (30%) chance of  rain late tonight low 45. Mostly cloudy with rain likely (60%) Tuesday morning then afternoon rain high 52. A  (30%) chance of showers Tuesday evening with showers likely (60%) late at night low 42. Mostly cloudy with a  (40%) chance of showers Wednesday and a (30%) chance at night high 55 low 40. AM clouds Thursday then a mix of clouds and sun with a slight (20%) chance of rain high 55. Partly cloudy Thursday evening then mostly cloudy with a slight (20%) chance of showers at night low 40. Mostly cloudy with a (30%) chance of rain Friday high 55. Partly cloudy Friday evening then mostly cloudy at night with a slight (20%) chance of showers low 40. A mix of clouds and sun Saturday then partly cloudy at night high 57 low 42. A mix of clouds and sun Sunday morning then mostly cloudy with a slight chance of showers in the afternoon high near 56. Mostly cloudy with a (40%) chance of showers Sunday night and Monday low 42 high 55.

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Forecast for the Umpqua Basin including Roseburg:  Mostly cloudy with a (30%) chance of rain tonight low 42. Rain Tuesday, a good (50%) chance of showers Tuesday evening, and  showers  likely (60%) Tuesday night snow level 3,500′ falling to 3,000′ late at night high 57 low 40. Mostly cloudy with rain and snow showers Wednesday morning and likely (60%) in the afternoon snow level 2,500′ rising to 3,000′ in the afternoon high 55. A slight (20%) chance of showers Wednesday night through Thursday evening then a slight (20%) chance of rain overnight lows 38 high 57. Mostly cloudy with a (30%) chance of rain Friday and a slight (20%) chance of rain at night high 56 low 43. Mostly cloudy Saturday and Saturday night high 57 low 40. Mostly cloudy with a slight (20%) chance of showers Sunday with a (40%) chance of showers Sunday night and Monday highs 57-59 low 40.

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Cloudy with a (40%) chance of evening rain then rain likely (60%) late tonight and rain Tuesday low 46 high 55. A good (50%) chance of evening showers then showers Tuesday night lows 44. Mostly cloudy with a good (50%) chance of showers along the coast Wednesday and showers likely (60%) inland (Snow level 2,000′ early Wednesday morning) high 55. Partly cloudy a slight (20%) chance of showers Wednesday night low 40. Mostly cloudy with a slight (20%) chance of showers Thursday and Thursday evening, then a good (50%) chance of rain late at night highs 56 low 42. Mostly cloudy with a (30%) chance of rain Friday high 55. A slight (20%) chance of rain Friday night and Saturday low 44 high 55. Mostly cloudy with a slight (20%) chance of showers Saturday night and a (40%) chance of showers Sunday through Monday lows 44 highs 56.

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Forecast for the Cascades of Lane County: Mostly cloudy tonight with a slight (20%) chance of rain late snow level 5,500′  low 33.  Mostly cloudy with a (40%) chance of rain Tuesday morning then afternoon rain snow level 5,000′ 2-5″ of snow high 40.  Rain and snow showers likely (60%) Tuesday night snow level 4,000′ 1-3″ of snow low 29. A good (50%) chance of rain and snow showers Wednesday and Wednesday night snow level 4,500′ falling to 4,000′ high 37 low 27. Mostly cloudy with a  (20%) chance snow showers and a slight (20%) chance of showers Thursday snow level 4,000′ high 36. Mostly cloudy in the evening then partly cloudy with slight (20%) chance of rain and snow Thursday night snow level 4,000′ low 27. A mix of clouds and sun Friday morning then mostly cloudy with a (30%) chance of rain and snow, snow level 3,500′ high 40. Mostly cloudy Friday evening then partly cloudy at night, a slight (20%) chance of rain and snow showers snow level 4,000′ low 29. A mix of clouds and sun Saturday, partly cloudy in the evening, then mostly cloudy Saturday night free air freezing level 5,500′ high 40 low 30. Mostly cloudy Sunday with a slight (20%) chance of rain and snow showers snow level 4,500′ high 37. Mostly cloudy with a (40%) chance of rain and snow showers Sunday night and Monday snow level 3,500′ lows near 30 highs 40.

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