Here is my new weekly weather quiz question. What is “Shear?” 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. Good luck.

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An upper level low pressure trough has moved down from Canada to returning the chance of rain. We will dry out and see plenty of sunshine Sunday into next week when the trough moves away from us.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 27 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 5 in the Good category measuring Ozone.

Cottage Grove: The Air Quality Index is 28 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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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 showers likely (70%) and a slight (20%) chance of thunderstorms this evening with small hail possible, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
• A mix of clouds and sun with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Thursday afternoon and evening (under 0.10 in. of rain possible, more in storms), partly cloudy with a good (50%) chance of showers late Thursday night (0.10 in. of rain possible),
• A mix of clouds and sun Friday with good (50%) chance of AM showers, showers likely (70%) with a slight (20%) chance of thunderstorms in the afternoon and evening showers, mostly cloudy with a slight (20%) chance of showers late Friday night,
• A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Saturday, partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late Saturday night.
• lows 47-43 highs 65-72.
• Mostly sunny and a bit warmer Sunday and Monday, mostly clear at night,
• Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
• Then mostly sunny and a bit cooler Wednesday.
• highs 77-89 cooling to 82 Wednesday lows 46-53. (seasonal averages high 73 low 48).

 

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Eugene-Springfield Pollen Count:

Grass………. High (23)

Trees………. Low (6)

Last Counted: 6/15/16

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Mostly cloudy with a (30%) chance of showers tonight (under 0.10 in. of rain possible),
• Mostly cloudy with a (40%) chance of AM showers, showers likely (60%) with a slight (20%) chance of thunderstorms Thursday afternoon (0.10 in. of rain possible), a (40%) chance of evening showers and a slight (20%) chance of thunderstorms, a (40%) chance of showers late Thursday night (under 0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of showers AM, showers likely (70%) Friday afternoon, partly cloudy with a slight (20%) chance of showers Friday night,
• Partly cloudy with a slight (20%) chance of showers Saturday AM, sunny and a bit warmer in the afternoon, then clear Saturday night.
• lows 47-50 highs 67-73.
• Mostly sunny and a bit warmer Sunday through Tuesday, mostly clear at night,
• Then sunny and cooler Wednesday.
• highs 83-93 cooling to 84 Wednesday lows 52-57. (seasonal averages high 76 low 52).

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy with a (30%) chance of showers tonight (under 0.10 in. of rain possible),
• Mostly cloudy with a (30%) chance of coastal showers Thursday while a (30%) chance of inland AM showers and showers likely (70%) with a slight (20%) chance of thunderstorms inland in the afternoon (under 0.10 in. of rain possible), a (30%) chance of showers Thursday night (under 0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of showers Friday AM, showers likely (70%) in the afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Friday night,
• Partly cloudy with a slight (20%) chance of showers in the AM, sunny and a bit warmer Saturday afternoon, clear at night.
• lows 49-52 highs near 60.
• Mostly sunny Sunday through Tuesday, mostly clear at night,
• Then sunny Wednesday.
• highs 64-70 cooling to 64 Wednesday lows near 52. (seasonal averages high 62 low 51)

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy with showers and a slight (20%) chance of thunderstorms and small hail possible this evening, a good (50%) chance of rain and snow showers late tonight (0.10 in. of rain possible, 1 in. of snow possible),
• A mix of clouds and sun with a good (50%) chance of AM rain and snow showers, showers with a slight (20%) chance of thunderstorms and a bit cooler Thursday afternoon, showers likely (70%)  and a slight (20%) chance of thunderstorms in the evening, showers likely (70%) late Thursday night and Friday AM, showers with a slight (20%) chance of thunderstorms Friday afternoon and evening, a slight (20%) chance of showers late Friday night,
• A mix of clouds sun and a bit warmer with a slight (20%) chance of showers Saturday, partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late Saturday night.
• snow level 4,000 ft. tonight, 4,000 ft. rising to 5,500 ft. Thursday afternoon, 6,000 ft. Thursday night and Friday, 6,500 ft. Friday night, above 8,000 ft. Saturday, then above 8,000 ft. Saturday night.
• lows 30-35 cooling to 32 Saturday night highs 46-55.
• Mostly sunny and a bit warmer Sunday and Monday, partly cloudy Sunday night, clear Monday night,
• Sunny and a bit warmer Tuesday, mostly clear at night,
• Then mostly sunny and a bit cooler Wednesday.
• free air freezing level 10,000 ft. Sunday, 11,000 ft. Sunday night, 12,000 ft. Monday, 13,000 ft. Monday night, then 14,000 ft. Tuesday through Wednesday.
• highs 67-79 cooling to 75 Wednesday lows 40-47.

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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 and Lane County news on-line at eugenedailynews.com.

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