Last chance to answer this week’s weather quiz question. What do “lake breezes” have to do with spiders? I’m not kidding. There is an answer. Please place your answer as a comment on this page. The first person to answer correctly will win a free week of personalized forecasts tailored to your needs. Good luck.

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The upper airflow(look at the little arrows in the shaded area off the coast) is curving from the southwest continuing to bring warm moist air into Oregon. It’s called the “Pineapple Express” because the airflow is actually coming from Hawaii. Here’s the next frontal system to bring more rain. Another one will move in between Saturday and Sunday.

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For the Central & Southern Willamette Valley: Mostly cloudy today with a  (40%) chance of showers this afternoon, light rain (60%) likely this evening and a (40%) chance at night high 50 low near 40. Rain likely (60%) Saturday high in the upper 40s. Rain will be likely Saturday night through Monday highs near 50 lows near 40. Mostly cloudy with showers likely Monday night low in the upper 30s. A good (50%) chance of showers Tuesday high 42-45. Partly cloudy Tuesday night through Thursday with decreasing chances of showers from 40% Tuesday night to 20% Thursday high mid 40s low in low 30s.

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For the Umpqua Basin: Patchy AM fog today a (40%) chance of rain highs in the low 50s. Rain likely (60%) this evening and  just a (30%) chance of rain with patchy fog late tonight low in the  low to mid 40s. Patchy AM and late night fog with rain likely (60%) Saturday turning to showers in the afternoon and Saturday night high mid 50s low in low to mid 40s. Sunday, Sunday night, Monday, and Monday night mostly cloudy with rain highs near 50  lows in upper 30s to low 40s. Rain likely (60%) Tuesday  high 44-47. There will be a chance of showers Tuesday night and a slight (20-30%) Wednesday through Thursday low in mid to upper 30s  high in mid to upper 40s.

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Forecast for the South Coast: Mostly cloudy today with rain likely at the shore and a good (50%) chance inland high in low to mid 50s. Tonight mostly cloudy a (30%) chance of rain with patchy fog late low near 40. Saturday with afternoon showers and Saturday night rain will be likely (60%) with late night and early morning fog high near 54 low in the low 40s. Rain Sunday, then showers Sunday night, Monday, and Monday night highs in the low to mid 50s lows in the low 40s. Chance of showers Tuesday (50%) through Thursday (dropping to 30%) highs near 50 lows near 40.

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For the Cascades of Lane County: Mostly cloudy (40%) chance of showers today snow level 6,500′, tonight snow level rising to 7,000′ with a (40%) chance of showers. Rain likely (60%) Saturday with rain Saturday night snow level 7,000′. Rain Sunday snow level 5,500′, likely (60%) at night snow level 6,500′. Rain likely Monday snow level 5,000′. Rain and snow showers likely Monday night snow level falling to 4,000′. Snow showers likely Tuesday snow level 2,500’with a chance of rain and snow showers at night snow level 3,000′ . Wednesday through Thursday partly cloudy chance of rain and snow showers, snow level 3,500′ rising to 4,500′ by Thursday.