Check out my latest Eugene Daily News Weather Or Not Column It’s Just Not The Same, And That’s Too Bad.

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Here is my weekly weather quiz question. The city of San Francisco, CA has it’s own “air conditioner” caused by upwelling. What is “upwelling” and how does it keep the area cool? 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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ADVISORIES:

A Blue-Green Algae warning continues for Tenmile Lakes in Coos County, Fern Ridge Reservoir, Lost Creek Lake,  and  at Devils Lake. Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health officials said. The algae levels are likely associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals. Swallowing or inhaling water droplets, as well as skin contact with water, should be avoided according to the authorities.
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An upper level high pressure ridge (shaded “Arch” shape) moves in bringing colder air and clear skies. A weak frontal system (warm and cold fronts offshore to the northwest) will come through midweek and should clear out just in time for Halloween Trick-or-Treaters to move about without getting wet. A frontal system will push in between Friday night and Saturday with the chance of rain returning. Don’t forget that this is the weekend when we “Fall Back” and turn our clocks back one hour to return to Standard Time. The official time is 2 AM Sunday, but bedtime Saturday is when most people set their clocks. The local firefighters recommend that you check the batteries in your smoke alarms, Co2 detectors, and Radon gas detectors to make sure they are functioning properly.

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Your College Football Forecasts: (Preliminary)

Ducks have a bye week, no game this week.

Next game Thursday November 7th:

The Ducks vs Stanford at Stanford Stadium, Stanford California: Kickoff 6:00 PM- Too early for accurate forecast.

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Friday November 1st:

The Beavers vs USC at Reser Stadium: Kickoff 6:00 PM- Partly cloudy with increasing clouds, but the chance of rain should hold off past the end of the game, temperature near 56 cooling into the 40s by the end of the game.

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

• Partly cloudy this evening, more clouds to mostly cloudy with a slight (20%) chance of sprinkles late tonight,
• Cloudy Thursday AM with rain likely (70%) or occasional drizzle, a slight (20%) of showers Thursday afternoon (Halloween), just partly cloudy Thursday night,
• Partly cloudy with patchy AM fog and low clouds, mostly sunny Friday afternoon,  increasing clouds to cloudy in the evening, rain likely (60%) late Friday night,
• Rain Saturday AM, showers in the afternoon, showers likely (70%) at night.
• lows 42-38 highs 58-62 cooling to near 50 Saturday.
• Cloudy with a good (50%) chance of showers Sunday, mostly cloudy with a (40%) chance of showers Sunday night,
• Mostly cloudy with a good (50%) chance of rain Monday, cloudy with a good (50%) chance of rain Monday night,
• Rain likely (60%) Tuesday and Tuesday night,
• Then showers likely (70%) Wednesday.
• highs 50-53 lows 38-42. (seasonal averages high 58 low 40)

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

• Clear this evening, mostly cloudy with a slight (20%) of coastal rain late tonight,
• Cloudy with a (30%) chance of AM rain, a slight (20%) chance of showers Thursday afternoon (Halloween), partly cloudy Thursday night and Friday AM, sunny in the afternoon, partly cloudy in the evening, mostly clear inland in the evening, mostly cloudy with rain late Friday night,
• Mostly cloudy with AM rain Saturday, showers in the afternoon, then showers likely (70%) Saturday night.
• lows 45-48 cooling to 44 Saturday highs 58-62 cooling to 57 Saturday.
• Cloudy with a good (50%) chance of showers Sunday, mostly cloudy with a good (50%) chance of showers Sunday night,
• A (40%) chance of showers Monday, cloudy with a good (50%) chance of rain at night,
• Cloudy with rain likely (70%) Tuesday, then mostly cloudy with a good (50%) chance of showers Tuesday night and Wednesday.
• highs 53-60 lows 44-47. (seasonal averages high 59 low 45)

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Forecast for the Cascades of Lane County:

• Mostly clear this evening, more clouds to mostly cloudy with a slight (20%) chance of rain late tonight,
• Cloudy with AM rain likely (60%), a slight (20%) chance of showers Thursday afternoon (Halloween), just partly cloudy Thursday night,
• Mostly sunny and warmer Friday, more clouds to mostly cloudy with rain late at night,
• Mostly cloudy with rain Saturday AM, then showers in the afternoon and Saturday night.
• snow level 10,000 ft. tonight, 8,000 ft. Thursday, free air freezing level 10,000 ft. at night, 11,000 ft. Friday, snow level 9,000 ft. Friday night, 7,000 ft. falling to 4,000 ft. Saturday afternoon, then 3,500 ft. Saturday night.
• lows 33-23 highs 46-56 cooling to 35 Saturday.
• Mostly cloudy with showers likely (70%) Sunday, a good (50%) chance of rain and snow showers Sunday night,
• Mostly cloudy with good (50%) chance of rain or snow Monday, rain or snow likely (60%) Monday night,
• Mostly cloudy with rain or snow Tuesday, a good (50%) chance of rain or snow Tuesday night,
• Then mostly cloudy with showers likely (60%) Wednesday.
• snow level 3,000 ft. Sunday and Sunday night, 3,500 ft. Monday, 4,000 ft. Monday night, 5,000 ft. Tuesday, 6,000 ft. at night, then 6,500 ft. Wednesday.
• highs 32-40 lows 24-28.