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Sorry no winner this week. Here is my weather quiz question for the last time. Since the tropical storm season has officially started as of today and we have already had a tropical disturbance that pushed into northern Florida I thought a hurricane question would be in order. What are the three main things needed to form a tropical storm/hurricane? Here is the answer. In order to produce a tropical storm which could grow into a hurricane three main things are necessary. The ocean water temperature has to be 85 degrees F. or more, low pressure has to be building at the surface and high pressure must be in the upper levels above the surface low pressure. I’ll have another weekly weather quiz question for you starting next Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count.

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Advisories: NONE AT THIS TIME.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:  Mostly cloudy with a slight (20%) chance of showers this AM, showers likely (60%) this afternoon (0.10 in. of rain possible), showers likely (60%) tonight (0.25 in. of rain possible), showers Monday (0.25 in. of rain possible), showers likely (60%) Monday night (under 0.10 in. of rain possible), mostly cloudy with a good (50%) chance of showers Tuesday, a (40%) chance showers Tuesday evening, then partly cloudy late Tuesday night highs 65-60 lows 48-43. A mix of clouds and sun with a slight (20%) chance of showers Wednesday AM, a mix of clouds and sun in the afternoon, becoming mostly cloudy in the evening, partly cloudy Wednesday night, a mix of clouds and sun with a slight (20%) chance of rain Thursday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers Thursday night, a mix of clouds and sun with a (30%) chance of showers Friday, mostly cloudy with a (40%) chance of showers Friday night, then a mix of clouds and sun with a slight (20%) chance of showers Saturday highs 64-70 cooling to 64 Saturday lows 45-48. (seasonal averages high 70 low 46)

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Forecast for the Umpqua Basin including Roseburg: Cloudy with a slight (20%) chance of showers this AM, showers likely (60%) this afternoon (0.10 in. of rain possible) and evening, showers late tonight (0.30 in. of rain possible), showers and a slight (20%) chance of thunderstorms Monday (0.25 in. of rain possible), cloudy with showers Monday evening, colder with a (40%) chance of showers Monday night (0.10 in. of rain possible), mostly cloudy with a (40%) chance of showers Tuesday (AM snow level 3,500 ft.) and Tuesday night highs 67-60 lows 53-44. Mostly cloudy with a slight (20%) chance of showers Wednesday and Wednesday evening, partly cloudy Thursday AM, mostly cloudy Thursday afternoon, mostly cloudy with a slight (20%) chance of rain late Thursday night, mostly cloudy Friday AM,partly cloudy with a slight (20%) chance of rain Friday afternoon, then partly cloudy with a slight (20%) chance of showers Friday night and Saturday highs 68-75 cooling to near 70 Friday and Saturday lows 46-50. (seasonal averages high 73 low 50)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a (40%) chance of AM showers, showers likely (60%) this afternoon (0.15 in. of rain possible), showers tonight (0.40 in. of rain possible), showers Monday (0.30 in. of rain possible), cloudy with evening coastal showers likely (60%), a good (50%) chance of showers Monday night (0.10 in. of rain possible), mostly cloudy with a (40%) chance of showers Tuesday and Tuesday night highs 59-54 warming to near 57 Tuesday lows 51-44.  Mostly cloudy with a slight (20%) chance of showers Wednesday and Wednesday evening, mostly cloudy Thursday AM, partly cloudy with a slight (20%) chance of showers Thursday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Thursday night, mostly cloudy Friday AM, partly cloudy with a (30%) chance of rain Friday afternoon, then mostly cloudy with a (30%) chance of showers Friday night and Saturday highs near 60 lows 46-50. (seasonal averages high 60 low 49).

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Forecast for the Cascades of Lane County: Cloudy with a slight (20%) chance of showers this AM, showers becoming likely (60%) this afternoon (0.10 in. of rain possible), showers tonight (0.50 in. of rain possible), showers and a slight (20%) chance of thunderstorms Monday (0.50 in. of rain possible), mostly cloudy with rain and snow showers and colder Monday night, mostly cloudy with rain and snow showers likely (60%) Tuesday, mostly cloudy with a (30%) chance of  rain and snow showers Tuesday evening, then a slight (20%) chance of rain and snow showers late Tuesday night snow level 7,500 ft. rising to 8,000 ft. this afternoon through Monday, 5,500 ft. Monday night, 3,500 ft. Tuesday, then 4,000 ft. Tuesday night highs 54-42 lows 42-30. Mostly cloudy Wednesday AM with a slight (20%) chance of rain and snow showers, a mix of clouds and sun Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers Wednesday evening, a mix of clouds and sun with a slight (20%) chance of rain Thursday, mostly cloudy with a slight (20%) chance of showers Thursday night, a (40%) chance of showers Friday, a good (50%) chance of showers Friday night, then  mostly cloudy with a good (50%) chance of rain and snow showers Saturday snow level 4,000 ft. Wednesday, 6,500 ft. Wednesday night, 7,500 ft. Thursday, 8,000 ft. Thursday night, 7,000 ft. Friday, 6,000 ft. Friday night, then 4,000 ft. Saturday highs 52-60 cooling to 53 Saturday lows 34-37.

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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.

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Get your local Eugene-Springfield news on-line at Eugene Daily News.com

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