Another Monday and that means it’s time for my weekly weather quiz question. Here it is. Scientists have determined that if we listen to the sound a particular creature makes we can determine the current ambient air temperature. What creature are they describing and how do you calculate the temperature? Please post your answer as a comment at the end of these forecasts. The first person to post the correct answer will win one week of free personalized weather forecasts tailored to your needs. Good luck.

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Remember, the Vernal Equinox (the beginning of spring) takes place next Saturday March 20th at 10:32 AM.

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The latest frontal system approaching the Oregon coast will be held off by a ridge of high pressure keeping us relative dry through the day today. The precipitation will last a short time then we go back to high pressure that will hold off any storms and return the sunshine that should last through Saturday, the first day of  spring. The next storm system will be setting up offshore by Saturday morning to bring the chance of rain back by Sunday.

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Advisories: A HIGH SURF ADVISORY IS IN EFFECT FROM 5 AM TUESDAY UNTIL 11 AM WEDNESDAY 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:  A mix of clouds and sun and warmer today and mostly cloudy late tonight  high 67 low 45. Occasional rain Tuesday high near 60. Mostly cloudy with a (40%) chance of showers and colder Tuesday night low 35. A mix of clouds and sun Wednesday with a slight (20%) chance of morning showers then mostly clear Wednesday night high 62 low 36. Mostly sunny  Thursday and partly cloudy Thursday night high 65 low 33. Sunny Friday and clear at night high 68 low 35. Mostly sunny Saturday and partly cloudy at night high near 62 low near 40. Mostly cloudy Sunday with a slight (20%) chance of rain high 59.

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Forecast for the Umpqua Basin including Roseburg:  Mostly cloudy today then mostly cloudy with a slight (20%) chance of rain late tonight high near 69 low 45. Mostly cloudy  rain likely (60%) Tuesday changing to a slight (20%) chance of showers Tuesday night high 62 low 40. Partly cloudy Wednesday high 60.  Mostly clear Wednesday night and Thursday night and mostly sunny Thursday lows 37 and high 65. Partly cloudy Friday through Saturday night high 67 Friday, and 62 Saturday  lows 39. Mostly cloudy Sunday with a (30%) chance of rain returning high 57.

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy today  and tonight with rain likely (60%) after midnight at the coast and a (40%) chance of rain inland also after midnight high 62 low 47. Mostly cloudy with morning rain Tuesday then afternoon rain likely (60%) high 56. Mostly cloudy with a (30%) chance of showers Tuesday night and partly cloudy Wednesday low 40 high 58 . Mostly clear Wednesday night though Thursday night and mostly sunny Thursday and Friday lows 39-42 highs 58-60. Partly cloudy Friday night through Saturday night then mostly cloudy with a (30%) chance of rain Sunday lows 42 highs 57 Saturday and 54 Sunday .

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Forecast for the Cascades of Lane County:  A mix of clouds and sun today free air freezing level 9,000′ rising to 10,000′ this afternoon high 58. Partly cloudy this  evening then mostly cloudy at night, free air freezing level 10,000′ low 35. Mostly cloudy with rain likely (60%) Tuesday snow level 8,000′ falling to 6,000′, then rain and snow showers  likely (60%) Tuesday evening then a (40%) chance of rain and snow showers and colder late at night snow level falling to 3,000′  high 44 low 26. Mostly cloudy Wednesday morning then a mix of clouds and sun and a slight (20%) chance of rain and snow showers snow level 3,000′ rising to 4,000′ high 45. Partly cloudy Wednesday night free air freezing level 5,500′ low 25. Mostly sunny Thursday and mostly clear at night free air freezing level 6,000′ rising to 8,000′ high 52 low 28. Sunny Friday and mostly clear at night free air freezing level 8,000′ high 54 low. Mostly sunny Saturday and partly cloudy at night free air  freezing level 8,000′  high near 54  low 28. Mostly cloudy with a (40%) chance of rain Sunday snow level 6,500′  high 47.

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