Here is my new weekly weather quiz question. What is “Obscuration?” 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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There will be a dry spell through Saturday as a high pressure ridge moves closer, then another frontal system will return the shower chances by late Saturday night into Sunday. Remember, Daylight Saving Time officially ends and Standard Time returns 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 26 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 4 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 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:

• Partly cloudy with areas of fog late tonight,
• Mostly cloudy with areas of AM fog, partly cloudy and just a bit warmer Wednesday afternoon, mostly cloudy with patchy fog again at night,
• Patchy AM fog, mostly cloudy and a bit Thursday, party cloudy and colder with patchy fog late Thursday night and Friday AM, partly cloudy in the afternoon and Friday night with patchy fog late.
• lows 45-39  highs 68-65.
• Patchy AM fog, a mix of clouds and sun and a bit warmer Saturday, becoming mostly cloudy at night,
• Mostly cloudy with a slight (20%) chance of rain Sunday through Monday night,
• Then mostly cloudy with a (30%) chance of rain Tuesday.
• highs 64-66 lows 44-47. (seasonal averages high 62 low 40)

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Your College Football Forecast:

Preliminary forecast for Thursday October 29th:

Ducks vs Arizona State at Sun Devil Stadium, Tempe, AZ– Kickoff 7:30 PM PDT: Mostly clear, near 78 degrees cooling as the game continues, wind light.

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Preliminary Forecast for Saturday October 24th:

Beavers vs Colorado at Reser Stadium, Corvallis– Kickoff 7:30 PM PDT: Partly cloudy to mostly cloudy, near 60 degrees cooling as the game progresses, wind light.

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Forecast for Roseburg:

• Mostly clear tonight,
• Partly cloudy Wednesday with patchy AM fog, partly cloudy in the evening, mostly cloudy with patchy fog late Wednesday night,
• Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, partly cloudy and a bit cooler Thursday afternoon, mostly clear in the evening, partly cloudy with patchy fog late at night and Friday AM, sunny and a bit warmer in the afternoon, then just partly cloudy Friday night.
• lows 46-40 warming to 44 Friday night highs 72-65 warming to 70 Friday.
• Mostly cloudy and a bit warmer Saturday and Saturday night,
• Mostly cloudy with a slight (20%) chance of rain Sunday and Sunday night,
• Cloudy with a slight (20%) chance of rain Monday, mostly cloudy with a slight (20%) chance of rain Monday night,
• Then mostly cloudy with a (30%) chance of rain Tuesday.
• highs near 72 lows 47-50. (seasonal averages high 64 low 44)

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

• Mostly clear with patchy fog late tonight,
• Mostly cloudy with patchy fog Wednesday AM, partly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of showers late Wednesday night, patchy fog late at night and Thursday AM, mostly cloudy with a slight (20%) chance of inland AM showers, partly cloudy in the afternoon, mostly clear in the evening, mostly cloudy late Thursday night,
• Patchy AM fog, sunny Friday, then just mostly cloudy Friday night.
• lows 49-45 warming back to 49 Friday night highs near 63.
• Mostly cloudy Saturday, mostly cloudy with a slight (20%) chance of rain Saturday night and Sunday, cloudy with a slight (20%) chance of rain Sunday night,
• Mostly cloudy with a slight (20%) chance of rain Monday and Monday night,
• Then mostly cloudy with a (30%) chance of rain Tuesday.
• highs near 64 lows 50-52. (seasonal averages high 60 low 46).

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Forecast for the Cascades in Lane County:

• Mostly clear tonight,
• Mostly sunny Wednesday, partly cloudy Wednesday night,
• A mix of clouds and sun and cooler Thursday, mostly clear at night,
• Mostly sunny and a bit warmer Friday, then partly cloudy Friday night.
• free air freezing level 13,000 ft. tonight, 12,000 ft. Wednesday, 11,000 ft. Wednesday night, 10,000 ft. Thursday and Thursday night, 11,000 ft. Friday, then 10,000 ft. Friday night.
• lows 37-33 highs 62-55 warming to 58 Friday.
• Partly cloudy Saturday and Saturday night,
• Mostly cloudy with a slight (20%) chance of rain Sunday through Monday night,
• Then mostly cloudy with a (30%) chance of rain Tuesday.
• free air freezing level 10,000 ft. Saturday and Saturday night, snow level 7,000 ft. Sunday, 8,000 ft. Sunday night through Monday night, then above 8,000 ft. Tuesday.
• highs near 59-55 warming to 58 Monday and Tuesday lows 37-34 warming back to 37 Monday night.

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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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