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. Here is another frontal system approaching the coast Monday.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 59 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 28 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 25 in the Good category measuring Particulate Matter.

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

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Advisories:

• A Blue-Green Algae Health Advisory has been lifted for Howard Bay (sometimes called Howards Bay or Howard’s Bay) in Upper Klamath Lake ONLY. Tests show the blue-green algae bloom is no longer present.
• 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.

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

• Mostly sunny and a bit warmer today, mostly clear tonight,
• A mix of clouds and sun to mostly cloudy and cooler with a slight (20%) chance of rain Saturday, mostly cloudy with a slight (20%) chance of rain Saturday night,
• Cloudy with a good (50%) chance of rain and a bit cooler Sunday, partly cloudy with a slight (20%) chance of evening rain, then a slight (20%) chance of showers late at night.
• highs 86-75 lows 52-60 cooling to 52 Sunday night.
• Partly cloudy Monday, partly cloudy with a slight (20%) chance of showers late Monday night,
• Partly cloudy with a slight (20%) chance of AM showers, just mostly sunny Tuesday afternoon, mostly clear at night,
• Sunny Wednesday, mostly clear at night,
• Then mostly sunnyThursday.
• highs 75-70 warming to 73 Thursday lows 52-44. (seasonal averages high 77 low 47)

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College Football Forecast:

Saturday September 17th

Ducks vs. Nebraska at Memorial Stadium Lincoln, Nebraska Kickoff 12:30 PM– Sunny, 68 degrees and warming as the game progresses to 78 toward game’s end, Wind NW 5 mph.

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Beavers vs Idaho State at Reser Stadium Kickoff 2 PM – A mix of clouds and sun with a slight chance of rain, 72 warming to near 76 then cooling toward game’s end, Wind S 5-10 mph.

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Forecast for Roseburg:

• Sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy with patchy fog late tonight,
• Mostly cloudy but cooler Saturday, mostly cloudy with a slight (20%) chance of rain Saturday night,
• Mostly cloudy with a (30%) chance of rain and a bit cooler Sunday, partly cloudy in the evening, then just mostly cloudy late Sunday night.
• highs 89-76 lows 52-58 cooling to 54 Sunday night.
• Partly cloudy Monday and Monday  night,
• Partly cloudy Tuesday AM, sunny in the afternoon, mostly clear Tuesday night,
• Then mostly sunny Wednesday, clear at night,
• Then sunny Thursday AM and partly cloudy in the afternoon.
• highs 76-70 warming to 75 Thursday lows 50-44. (seasonal averages high 79 low 51)

 

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

• Sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy with patchy fog late tonight,
• Mostly cloudy with patchy coastal AM fog and a slight (20%) chance of rain Saturday afternoon while becoming mostly cloudy with a slight (20%) chance of inland afternoon showers, a slight (20%) chance of rain Saturday night,
• Mostly cloudy with a (30%) chance  of rain Sunday, partly cloudy in the evening, than just mostly cloudy late Sunday night.
• highs 65-67 cooling back to 65 Sunday lows 53-57 cooling to 52 Sunday night.
• Partly cloudy Monday through Tuesday AM, sunny in the afternoon,mostly clear at night,
• Mostly sunny Wednesday, clear at night,
• Sunny Thursday AM, then partly cloudy in the  afternoon.
• highs 62-59 warming to 64 Thursday lows 52-48. (seasonal averages high 65 low 50)

 

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Forecast for the Cascades in Lane County:

• Sunny and a bit warmer today, partly cloudy tonight,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Saturday, mostly cloudy with a slight (20%) chance of rain Saturday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of AM rain, a good (50%) chance of rain Sunday afternoon, then mostly cloudy with a (30%) chance of  showers late Sunday night.
• free air freezing level 13,000 ft. today, 14,000 ft. tonight, snow level above 8,000 ft. Saturday through Sunday night.
• highs 76-63 lows 48-43.
• Partly cloudy Monday through Tuesday AM, mostly sunny Tuesday afternoon, mostly clear at night,
• Sunny Wednesday, clear at night,
• Then mostly sunny Friday.
• free air freezing level 13,000 ft. Monday and Monday night, 11,000 ft. Tuesday, 11,000 ft. Tuesday night, then 8,000 ft. Wednesday through Thursday.
• highs 63-55 warming to 58 Thursday lows 40-34.

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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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