Here is my new weekly weather quiz question. What is an “okta?” 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. The answer has to be a comment to win. An email answer will not count. Good luck.

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The upper airflow and a frontal system brought moisture back to the Pacific Northwest Sunday. A couple of lows will bring give us the chance of a shower this morning and returning Tuesday night. Another cold front will be moving into Oregon and California Wednesday for yet another round of wet weather starting as early as Tuesday night. Remember, Daylight Saving Time officially ends and Standard Time returns this up-coming weekend at 2:00 am Sunday November 1st (Or at Bedtime Saturday October 31st, Halloween).

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 24 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 29 in the Good category measuring Particulate Matter.

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

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Advisories:

• A HEALTH ADVISORY CONTINUES FOR WILLOW CREEK RESERVOIR JUST EAST OF THE TOWN OF HEPNER IN MORROW COUNTY (NE CORNER OF OREGON). WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.
• A HEALTH ADVISORY CONTINUES FOR THE CLACKAMAS COVE PORTION OF THE CLACKAMAS  RIVER IN CLACKAMAS COUNTY. WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.
• A HEALTH ADVISORY CONTINUES FOR SUNSET BAY STATE PARK BEACH LOCATED IN COOS COUNTY FOR HIGHER-THAN-NORMAL FECAL BACTERIA WHICH CAN RESULT IN DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. DIRECT CONTACT WITH THE WATER – ESPECIALLY BY CHILDREN AND THE ELDERLY, WHO MAY BE VULNERABLE TO WATERBORNE BACTERIA – SHOULD BE AVOIDED IN THIS AREA UNTIL THE ADVISORY IS LIFTED. 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 CONTINUES FOR UPPER KLAMATH LAKE AND AGENCY LAKE DOWN TO KENO DAM, LOCATED JUST NORTH OF KLAMATH FALLS ALONG HIGHWAY 97 IN KLAMATH COUNTY. WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.

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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 today with patchy fog and a slight (20%) chance of AM showers (under 0.10 in. of rain possible), partly cloudy with patchy fog late tonight and Tuesday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy with a (40%) chance of rain late Tuesday night (under 0.10 in. of rain possible),
• Mostly cloudy and a bit cooler with rain Wednesday, then rain likely (70%) Wednesday night.
• highs 63-65 cooling back to 63 Wednesday lows 42-50.
• Mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers at night,
• A mix of clouds and sun Friday, mostly cloudy with a slight (20%) chance of showers Friday night and Saturday (a bit warmer), a good (50%) chance of rain Saturday night,
• Then mostly cloudy with rain likely (70%) Sunday.
• highs 60-64 cooling back to 60 Sunday lows 47-49. (seasonal averages high 60 low 40)

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Your College Football Forecast:

Preliminary Forecasts-

Thursday October 29th:

Ducks vs Arizona State at Sun Devil Stadium, Tempe, AZ– Kickoff 7:30 PM PDT: Clear skies slowly becoming partly cloudy, near 72 degrees cooling as the game continues, wind S-SE 5-10 mph.

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Saturday:

Beavers vs Utah at  Rice-Eccles Stadium, Salt Lake City, Utah– Kickoff 4:00 PM PDT (5:00 PM MDT): Clear, near 58 degrees cooling as the game progresses, wind NW 5-8 mph.

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Forecast for Roseburg:

• Mostly cloudy with patchy fog and a slight (20%) chance of showers this AM, partly cloudy this afternoon, partly cloudy with patchy fog late tonight,
• Sunny with patchy AM fog Tuesday, partly cloudy in the afternoon, becoming mostly cloudy with a (40%) chance of rain Tuesday night (under 0.10 in. of rain possible),
• Mostly cloudy and cooler with rain likely (70%) Wednesday and at night.
• highs 68-64 lows 44-50 cooling to 48 Wednesday night.
• Mostly cloudy with a (40%) chance of rain Thursday, a slight (20%) chance of rain Thursday night,
• Just mostly cloudy and a bit warmer Friday and Friday night,
• Then mostly cloudy with a slight (20%) chance of rain Saturday and Saturday night,
• Then rain likely (7o%) Sunday.
• highs 63-67 lows near 46-50. (seasonal averages high 62 low 43)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly cloudy with patchy fog this AM, partly cloudy this afternoon, mostly clear this evening, partly cloudy with patchy fog late tonight and Tuesday AM, mostly cloudy in the afternoon, evening coastal rain likely (70%) and rain late at night while a (30%) chance of inland rain in the evening and inland rain likely (70%) late Wednesday night.
• highs 62-64 cooling back to 62 Wednesday lows 50-54.
• Mostly cloudy and a bit cooler with a (40%) chance of rain Thursday, a slight (20%) chance of rain Thursday night,
• Just mostly cloudy and a bit warmer Friday and Friday night,
• Mostly cloudy with a slight (20%) chance of rain Saturday and Saturday  night,
• Then mostly cloudy with rain likely (70%) Sunday.
• highs 62-64 cooling back to 62 Saturday lows 50-54. (seasonal averages high 59 low 45).

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Forecast for the Cascades in Lane County:

• A mix of clouds and sun and a bit warmer today with a good (50%) chance of AM showers, becoming mostly clear tonight,
• Mostly sunny and a bit warmer Tuesday, partly cloudy in the evening, mostly cloudy with a (40%) chance of rain late Tuesday night,
• Mostly cloudy with rain and cooler Wednesday, then rain likely (70%) at night.
• snow level 6,000 ft. today, free air freezing level 11,000 ft. tonight, 12,000 ft. Tuesday, snow level above 8,000 ft. Tuesday night, 7,500 ft. Wednesday, then 7,000 ft. Wednesday night.
• highs 50-60 cooling back to 50 Wednesday lows 36-39 cooling to 36 Wednesday night.
• A mix of clouds and sun and cooler with a good (50%) chance of showers Thursday, a slight (20%) chance of showers at night,
• A mix of clouds and sun and warmer Friday, just mostly cloudy Friday night,
• Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Saturday, mostly cloudy with a good (50%) chance of showers Saturday night,
• Then mostly cloudy with rain likely (70%) Sunday.
• snow level 6,500 ft. Thursday and Thursday night, free air level  9,000 ft. Friday, 10,000 ft. Friday night, then snow level above 8,000 ft. Saturday through Sunday.
• highs near 43-54 lows 34-42.

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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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