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 Tuesday, 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 34 in the Good category measuring Ozone.

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

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Advisories:

• A RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITH IS IN EFFECT UNTIL 9 PM TODAY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST IN OREGON.
• 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:

• Clear this evening, partly cloudy late tonight,
• AM clouds Tuesday, sunny and a bit cooler in the afternoon, clear Tuesday night,
• Mostly sunny and a bit warmer Wednesday and Thursday, clear Wednesday night and Thursday evening then partly cloudy late Thursday night.
• lows 52-55 highs 78-90.
• 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:

• Clear tonight,
• Cloudy Tuesday AM, sunny and a bit cooler in the afternoon, clear Tuesday night,
• Sunny Wednesday and a bit warmer in the afternoon, clear Wednesday night,
• Mostly sunny Thursday, then mostly clear at night.
• lows 57-55 warming to 59 Thursday night highs 83-88.
• Partly cloudy and a bit cooler Friday through Saturday, mostly clear at night,
• Mostly sunny Sunday, mostly clear 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:

• Clear this evening, mostly cloudy late tonight,
• Cloudy Tuesday AM with a slight (20%) chance of coastal drizzle, partly cloudy in the afternoon, partly cloudy in the evening at the shore and mostly cloudy late at night while clear inland Tuesday night,
• 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.
• lows near 55 highs near 65.
• 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:

• Mostly clear tonight,
• A mix of clouds and sun in the AM, sunny and a bit cooler Tuesday afternoon, clear Tuesday night,
• Sunny and a bit warmer Wednesday, clear Wednesday night,
• Mostly sunny and a bit warmer Thursday, then mostly clear at night.
• free air freezing level 15,000 ft. tonight, 14,000 ft. Tuesday through Thursday, then 15,000 ft. Thursday night.
• lows 44-40 warming to 50 Thursday highs 67-82.
• 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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