Here is my new weekly weather quiz question. What is a “Symmetric Double Eye?”  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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An upper level low pressure trough cools us down as it moves in today, but then high pressure takes over to raise the temperatures again Wednesday.  By Friday another frontal system will move through Oregon.

 

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 29 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 33 in the Good category measuring Ozone.

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

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Advisories:

• A RED FLAG WARNING IS IN EFFECT FOR GUSTY WINDS AND LOW HUMIDITY FROM NOON UNTIL 9 PM TODAY FOR THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE COUNTY AND WESTERN HARNEY COUNTY.
• A Blue-Green Algae health advisory is in effect for Odell Lake in Lane County. Water testing has confirmed the presence of blue-green algae and the toxins they produce. 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.
• A Blue-Green Algae health advisory remains in effect for Howard Bay (sometimes called Howards Bay or Howard’s Bay) in Upper Klamath Lake ONLY. 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:

• A mix of clouds and sun and a bit cooler this afternoon, partly cloudy tonight,
• AM clouds, mostly sunny and a bit warmer Wednesday, clear at night,
• Mostly sunny and a bit warmer Thursday, clear in the evening then partly cloudy late Thursday night.
• highs 78-90 lows 49-55.
• Partly cloudy in the AM, sunny but a bit cooler Friday afternoon, clear in the evening, partly cloudy late Friday night,
• A mix of clouds and sun Saturday AM, mostly sunny in the afternoon Sunday (a bit cooler)  and Monday (a bit warmer), partly cloudy each night.
• highs 84-82 warming to 85 Monday lows near 55. (seasonal averages high 84 low 52)

 

 

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Eugene-Springfield Pollen Count:

Grass………. Low (2)

Trees………. Low (0)

Last Counted: 7/30/16

Data Courtesy of Oregon Allergy Associates.

The Grass and Tree Pollen season is officially over now.

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Forecast for Roseburg:

• Sunny and a bit cooler this afternoon, clear tonight,
• Sunny Wednesday and a bit warmer in the afternoon, clear Wednesday night,
• Partly cloudy in the AM, mostly sunny Thursday afternoon, then mostly clear at night.
• highs 83-88 lows 55-59.
• Partly cloudy and a bit cooler Friday through Saturday, mostly clear at night,
• Mostly sunny Sunday, mostly clear in the evening, partly cloudy Sunday night,
• Partly cloudy Monday AM, then mostly sunny in the afternoon.
• highs near 85 lows near 58. (seasonal averages high 86 low 57)

 

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

• Partly cloudy this afternoon, partly cloudy in the evening at the shore and mostly cloudy late tonight while clear inland tonight,
• Mostly cloudy at the shore Wednesday AM and partly cloudy in the afternoon while sunny inland Wednesday, clear in the evening at the shore and mostly cloudy late at night while clear inland Wednesday night,
• AM clouds, partly cloudy Thursday afternoon, clear in the evening, then mostly cloudy late Thursday night.
• highs near 65 lows near 55.
• Mostly cloudy Friday through Saturday, then partly cloudy Saturday night through Monday.
• highs near 65 lows near 55. (seasonal averages high 65 low 53)

 

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Forecast for the Cascades in Lane County:

• Sunny and a bit cooler this afternoon, clear tonight,
• Mostly sunny and a bit warmer Wednesday and Thursday, clear at night,
• free air freezing level 14,000 ft. today and tonight, 13,000 ft. rising to 15,000 ft. Thursday afternoon, then 15,000 ft. Thursday night.
• highs 67-82 lows 40-50.
• Mostly sunny Friday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms in the afternoon and evening, just partly cloudy late Friday night through Saturday night,
• Then mostly sunny Sunday and Monday, mostly clear Sunday night.
• snow level above 8,000 ft. Friday and Friday night, free air freezing level 14,000 ft. Saturday and Saturday night, 13,000 ft. Sunday, then 14,000 ft. Sunday night and Monday.
• highs 76-74 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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