Here is my weekly weather quiz question. What is an “Anemometer?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

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An Upper Level Low (Shaded “U”shape with blue arrows) currently off the California coast will move across the Pacific Northwest. The graphics for days days 1-3 show a weak frontal system moving over the Pacific Northwest tonight. The graphics for days 3-7 show frontal systems approaching the coast Sunday next Thursday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 11 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 7 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

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Advisories:

• The Oregon Health Authority has issued a Health Advisory for Odel Lake, located 75 miles southeast of Eugene off highway 58  in the northwest corner of Klamath County. Water monitoring has confirmed that the level of blue-green algae toxins are below guideline values for human exposure. 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 sessitivities may experience a puffy, red rash at the affected area.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.
• The Oregon Health Authority has updated the Health Advisory issued June 30 for Lake Billy Chinook, located about 12 miles west of Madras in Jefferson County. The update lifts the advisory on those areas of the Deschutes and Crooked River of Lake Billy Chinook arms affected by the advisory, and confines the advisory on the Metolius Arm to Perry South Cove. Water monitoring has confirmed that the level of blue-green algae toxins are below guideline values for human exposure. However, OHA recommends that people remain cautious when using the lake, particularly with pets because toxins are still well above the very low exposure levels established for dogs.

 

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

• Sunny and cooler this afternoon, clear tonight,
• AM clouds, sunny and a bit warmer Friday, clear in the evening, partly cloudy late at night,
• Partly cloudy Saturday AM, sunny and a bit warmer in the afternoon, clear Saturday night.
• highs 82-89 lows 54-52 warming back to 54 Saturday.
• Sunny and a bit warmer Sunday, clear at night,
• Sunny and a bit warmer Monday and Tuesday, clear Monday night, clear in the evening, partly cloudy Tuesday night,
• Partly cloudy Wednesday AM, then sunny Wednesday afternoon.
• highs 90-94 cooling to 92 Wednesday lows near 54. (seasonal averages high 84 low 52)

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Eugene-Springfield Pollen Count
Grass………. Moderate (5)
Trees………. Low (0)
Last Counted: 7/22/17
Data Courtesy of Oregon Allergy Associates.
Note: It would seem the pollen season just about over.

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Forecast for Roseburg:

• Sunny and a bit cooler this afternoon, clear tonight,
• Sunny and a bit warmer Friday and Saturday, then clear at night.
• highs 85-93 lows 56-59.
• Sunny Sunday, clear at night,
• Sunny and a bit warmer Monday, Tuesday, and Wednesday, clear each night.
• highs near 93 lows 58-62 cooling back to 58 Tuesday night. (seasonal averages high 86 low 57)

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

• Mostly cloudy and a bit warmer this afternoon, mostly cloudy with patchy coastal fog tonight while mostly clear inland tonight and Friday AM, sunny and a bit warmer in the afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Friday night,
• Mostly cloudy with patchy AM fog, sunny and a bit warmer Saturday afternoon, mostly with patchy fog late Saturday night.
• highs 62-67 lows 54-56.
• Patchy AM fog, mostly sunny and a bit cooler Sunday afternoon, clear at night,
• Sunny and a bit cooler Monday, mostly clear with patchy fog Monday night and Tuesday AM, mostly sunny and a bit cooler Tuesday afternoon, mostly clear at night,
• Then mostly sunny and slightly warmer Wednesday.
• highs 65-63 warming to 67 Wednesday lows 55-57 cooling back to 55 Tuesday night. (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,
• Sunny and a bit warmer Friday and Saturday, clear both nights.
• free air freezing level above 12,000 ft. today through Saturday night.
• highs 74-78 lows 49-52.
• Sunny and a bit warmer Sunday, clear Sunday night,
• Sunny Monday AM, partly cloudy in the afternoon and at night,
• Mostly sunny Tuesday AM, partly cloudy in the afternoon and Tuesday night,
• Mostly sunny start, then partly cloudy Wednesday afternoon.
• free air freezing level above 12,000 ft. Saturday through Wednesday.
• highs 80-82 cooling back to 80 Wednesday lows 52-54.

 

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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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