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

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Upper level high pressure (“Arch” shape with blue arrows) takes over again to warm us up quickly. It looks like a cold front will move through the Pacific Northwest next Sunday bringing the temperatures back down to near normal again.

 

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 31 in the good category measuring Ozone.

Oakridge: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 31 in the Good category measuring Ozone.

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

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Advisories:

• A Blue-Green Algae health advisory remains in effect for Howard Bay (sometimes called Howards Bay or Howard’s Bay) in Upper Klamath Lake. It now includes all of Agency and Upper Klamath Lakes. People should avoid swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing or power boating, in areas where blooms are identified. Although toxins are not absorbed through the skin, people who have skin sensitivities may experience a puffy, red rash at the affected area.

 

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly clear tonight,
• Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear at night,
• Sunny and a bit warmer Thursday, clear Thursday night,
• Sunny and hot Friday, then clear Friday night.
• lows 55-58 cooling to 56 Friday night highs 92-94.
• Sunny and a bit cooler Saturday, clear in the evening, partly cloudy late Saturday night through Sunday evening (a bit cooler Sunday), mostly cloudy late Sunday night,
• Mostly cloudy Monday AM, mostly sunny and a bit warmer in the afternoon, mostly clear in the evening, mostly cloudy late Monday night,
• A mix of clouds and sun Tuesday AM, then mostly sunny in the afternoon.
• highs 87-80 warming to 83 Monday and Tuesday lows near 53. (seasonal averages high 84 low 52)

 

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Eugene-Springfield Pollen Count:

Grass………. Moderate (5)

Trees………. Low (0)

Last Counted: 7/26/16

Data Courtesy of Oregon Allergy Associates.

The Grass and Tree Pollen season is officially over now.

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Forecast for Roseburg:

• Clear tonight,
• Sunny and a bit warmer Wednesday, Thursday and Friday, clear each night.
• lows near 60-62 cooling back to 60 Friday night highs near 95.
• Partly cloudy Saturday, clear in the evening, mostly cloudy Saturday through Sunday night,
• Mostly cloudy and a bit cooler Sunday and Sunday night,
• Then partly cloudy Monday through Tuesday.
• highs 87-84 lows near 57. (seasonal averages high 86 low 57)

 

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

• Clear this evening, partly cloudy late tonight and Wednesday AM, sunny and a bit warmer in the afternoon, mostly clear Wednesday night,
• AM coastal clouds and sunny in the afternoon while sunny inland Thursday afternoon, mostly clear at night,
• Partly cloudy in the AM, sunny Friday afternoon, then partly cloudy Friday night.
• lows 55-57 highs near 72.
• Partly cloudy and a bit cooler Saturday, clear in the evening, then mostly cloudy late Saturday night through Tuesday.
• highs 68-66 lows near 56. (seasonal averages high 65 low 53)

 

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Forecast for the Cascades in Lane County:

• Clear  tonight,
• Sunny and a bit warmer Wednesday, Thursday and Friday, clear each night,
• free air freezing level 16,000 ft. tonight, 15,000 ft. Wednesday, then 16,000 ft. Wednesday night through Friday night.
• lows 50-54 cooling to 52 Friday night highs 82-85.
• Sunny Saturday, mostly clear at  night,
• Then mostly sunny and a bit cooler Sunday, Monday and Tuesday, mostly clear each night.
• free air freezing level 16,000 ft. Saturday and Saturday night, 15,000 ft. Sunday, 13,000 ft. Sunday night and Monday, 15,000 ft. Monday night, then 13,000 ft. Tuesday.
• highs 78-70 warming to 72 Monday and Tuesday lows near 45.

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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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