Here is my weekly weather quiz question. What is a “Wasatch Wind?” 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 high pressure ridge (Shaded “Arch” shape in blue arrows) powers up to make a return to the warming trend.  A cold front will move into Oregon Sunday bringing the chance of showers both ahead of it on Saturday and behind on Sunday . Just in case you were wondering when Summer officially ends here is the answer. The Autumnal Equinox occurs at 7:21 PDT on Thursday September 22nd.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 32 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 22 in the Good category measuring Particulate Matter.

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

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Advisories:

• A Health Advisory remains in effect for ocean water contact at Neskowin Beach located in Tillamook County due to higher than normal levels of fecal bacteria. Contact with the water can result in diarrhea, stomach cramps, skin rashes, upper respiratory infections and other illnesses. Direct contact with the water should be avoided in this area until the advisory is lifted, especially by children and the elderly who may be more vulnerable to waterborne bacteria. Visitors should avoid wading in nearby creeks, pools of water on the beach, or in discolored water, and stay clear of water runoff flowing into the ocean.
• A Health Advisory remains in effect for ocean water contact at Nye Beach located in Lincoln County due to higher than normal levels of fecal bacteria. Contact with the water can result in diarrhea, stomach cramps, skin rashes, upper respiratory infections and other illnesses.Direct contact with the water should be avoided in this area until the advisory is lifted, especially by children and the elderly who may be more vulnerable to waterborne bacteria. Visitors should avoid wading in nearby creeks, pools of water on the beach, or in discolored water, and stay clear of water runoff flowing into the ocean.
• A Blue-Green Algae Health Advisory remains in effect for Agency Lake. Agency Lake is located just north of Upper Klamath Lake near Klamath Falls along Highway 97 in Klamath County. Water monitoring on the lake has confirmed the presence of high levels of blue-green algae and associated toxins that can be harmful to people and animals. Swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing and power boating, should be avoided in areas where blooms are identified. Although toxins are not absorbed through the skin, contact with cells from a bloom can cause skin irritation and a red, puffy rash in individuals with skin sensitivities, or those who develop rashes easily.
• 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:

• AM clouds, sunny and a bit warmer today, clear tonight,
• Mostly sunny and a bit warmer Friday, mostly clear at night,
• Increasing clouds to mostly cloudy and a bit cooler with a (40%) chance of showers Saturday afternoon, then mostly cloudy with a slight (20%) chance of showers Saturday night.
• highs 83-85 cooling to 80 Saturday lows 49-56.
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Sunday through Monday AM, then partly cloudy Monday afternoon through Wednesday.
• highs near 75 lows 53-49. (seasonal averages high 78 low 47)

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College Football Forecast:

Saturday September 17th

Ducks vs. Nebraska at Memorial Stadium Lincoln, Nebraska Kickoff 12:30 PM– Mostly sunny, 68 degrees and warming as the game progresses to 76 toward game’s end, Wind NW 5-10 mph.

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Beavers vs Idaho State at Reser Stadium Kickoff 2 PM – Mostly cloudy with a 40% chance of afternoon showers, 77 warming to near 80 then cooling toward game’s end, Wind W-SW 5-10 mph.

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Forecast for Roseburg:

• Sunny and a bit warmer today and Friday, clear both nights,
• Sunny in the AM, partly cloudy but cooler Saturday afternoon, mostly cloudy with a slight (20%) chance of showers late Saturday night.
• highs 85-90 cooling to 83 Saturday lows 50-54.
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Sunday and Sunday night,
• Then partly cloudy Monday through Wednesday (a bit cooler Tuesday and Wednesday.
• highs 80-76 lows 55-49. (seasonal averages high 79 low 52)

 

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

• Partly cloudy with patchy AM coastal fog and partly cloudy this afternoon while partly cloudy with patchy inland fog and becoming sunny and a bit warmer this afternoon inland, clear in the evening, partly cloudy with patchy coastal fog late tonight,
• Partly cloudy Friday AM, sunny and a bit warmer in the afternoon, then clear Friday night,
• Patchy AM fog, partly cloudy Saturday afternoon, becoming mostly cloudy with a slight (20%) chance of showers late Saturday night
• highs 65-67 cooling back to 65 Saturday lows 50-52.
• Mostly cloudy with a slight (20%) chance  of showers Sunday and Sunday night,
• Partly cloudy Monday and at night,
• Mostly sunny Tuesday, mostly clear Tuesday night,
• Then partly cloudy Wednesday.
• highs 67-64 lows 52-49. (seasonal averages high 65 low 50)

 

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Forecast for the Cascades in Lane County:

• Sunny and a bit warmer today and Friday, clear both nights,
• Partly cloudy and a bit cooler Saturday, partly cloudy with a slight (20%) chance of showers in the evening, then mostly cloudy with a slight (20%) chance of showers late Saturday night.
• free air freezing level 12,000 ft. tonight and Thursday, 13,000 ft. Thursday night and Friday, 14,000 ft. Friday night, 13,000 ft. Saturday, then snow level above 8,000 ft. Saturday night.
• highs 72-74 cooling back to 72 Saturday lows 45-47 cooling back to 45 Saturday night.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Sunday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of  showers late Sunday night through Monday night,
• Partly cloudy with a slight (20%) chance of showers Tuesday AM, partly cloudy at night,
• Partly cloudy Wednesday AM, then mostly sunny and a bit cooler in the afternoon.
• snow level above 8,000 ft. Sunday through Monday night, 7,500 ft. Tuesday, then free air freezing level 9,000 ft. Tuesday night and Wednesday.
• highs 65-62 lows 44-37.

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

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