Here is my weather quiz question for this week. How much water is in the oceans of the  Earth? Your answer should be in gallons. Please place your answer as a comment to this post. The first person to post the correct answer will win one week of free personalized forecasts tailored to your needs. Good luck.

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A warm front pushed warmer  air through Oregon that is moving in on the “Pineapple Express” (warm moist air from Hawaii). A cold front is on the way and will bring more valley rain and mountain snow. Weak high pressure builds Tuesday then weakens  allowing another weak front to try to move in Wednesday. The ridge gets a little stronger Thursday (arrows moving up and over the Pacific Northwest) then allows yet another storm to move in late in the week (Friday) bringing back a better chance of rain.

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Advisories: None at this time.

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Forecast for the Central and Southern Willamette Valley:  Mostly cloudy, patchy fog with a (50%) chance of rain this morning  and rain likely (60%) this afternoon high 52. Mostly cloudy with showers likely tonight low in the low 40s. Showers likely (60%) Tuesday high in the low 50s. Tuesday night mostly cloudy  with a (40%-50%) chance of rain Tuesday night low 40. Mostly cloudy with a  (30%) chance of rain Wednesday then partly cloudy at night high near 50 low a cooler 35. A mix of clouds and sun Thursday partly cloudy Thursday night high in the upper 40s low in the mid 30s. Mostly cloudy with a (50%) chance of rain Friday and Friday night high in the upper 40s low in the upper 30s. Saturday and  Saturday night  a (30%) chance rain of high near 50 low down to the low 30s. Just a slight (20%) chance of rain Sunday high 50.

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Forecast for the Umpqua Basin including Roseburg:   AM fog and a (30%)  chance of rain today high in the low 50s. Rain likely (60%) tonight with patchy fog low 40. AM fog then mostly cloudy Tuesday with a good (50%) chance of rain high 54. A (40%) chance of rain at night with patchy fog late low near 40. Mostly cloudy with morning fog Wednesday and a good (50%) chance of rain high 50. Late night and early morning fog and mostly cloudy Wednesday night through Thursday night highs in the upper 40s lows near 40. AM fog with a good (50%) chance of rain Friday high near 48. Mostly cloudy Friday night and Saturday with AM and late night fog and a good  (50%) chance of rain low in the upper 30s  high near 50. Mostly cloudy with patchy late night and early morning fog Saturday night and Sunday with a (20%-30%) chance of rain low 38 high again 50.

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Forecast for the South Oregon Coast: Mostly cloudy & breezy today with patchy AM fog inland and a (30%) chance of rain with afternoon rain likely (60%) high near 55.  Evening rain along the coast otherwise rain likely (60%) tonight with fog late low near 43. Rain likely (60%) Tuesday along the coast, morning fog with a good (50%) chance of rain inland high in the upper 50s. A good (50%) chance of rain Tuesday night, patchy fog inland lows in the mid 40s. Patchy AM fog mostly cloudy with a (40%) chance of rain Wednesday high near 60. Mostly cloudy with areas of late night and early morning fog Wednesday night through Thursday night lows in the mid 40s high 56. Mostly cloudy with a good (50%) chance of rain Friday through Saturday high 54 low 42 . A slight (20%) chance if rain Saturday night and a (40%) chance of rain Sunday low near 40 high 53.

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Forecast for the Cascades of Lane County:  Mostly cloudy with rain today snow level 6,000′ rising to 7,000′. Evening showers, then likely overnight, snow level 6,500′. Showers likely (60%) Tuesday with a good (50%) chance of rain at night snow level 6,000′. A chance of rain and a slight (20%) chance of snow Wednesday snow level 6,000′. Partly cloudy Wednesday night with a slight (20%) chance of showers snow level 6,000′. A mix of clouds and sun Thursday free air freezing level holding at 5,500. Partly cloudy Thursday night free air freezing level 5,500′. A good (50%) chance of rain Friday snow level 6,500′. Mostly cloudy with a (30%) chance of rain Saturday and rain and snow Saturday night and Sunday snow level 5,000′ Saturday and Saturday night and 4,000′ Sunday.

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