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No winner this week. Here is my new weekly weather quiz question for the last time. What is the first rule when driving in fog? The correct answer is use only lo beans while driving through fog. High beams show you more fog and can blind oncoming traffic. I’ll have a new weekly weather quiz question for you Monday. 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 FREEZING RAIN ADVISORY IS IN EFFECT UMTIL 7 AM TODAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL CASCADES OF OREGON, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• A Blue-Green Algae warning  has been cancelled for Tenmile Lakes in Coos County and for Fern Ridge Reservoir, the warning remains in effect for Lost Creek Lake, and Willow Creek Reservoir (NE Oregon). 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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The upper airflow has become a ridge of high pressure that will keep us in colder air for a day or two.. A frontal system moved through the Pacific Northwest bringing clouds and the chance of light rain and drizzle with it. Colder air will sweep in behind it.

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Air Quality Index:

Eugene-Springfield: The Pollution Index is 47 in the Good category measuring Particulate Matter at HWY 99, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Pollution Index is 36 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge.  Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Home Wood Heating Advisory:

Eugene/Springfield: (GREEN) Burning Is Alowed.

Oakridge: (YELLOW) Burning Cautioned Against.

Pellet stoves are always allowed.

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

• Cloudy with a (40%) chance of showers today (0.50 in. of rain possible), mostly cloudy with a slight (20%) chance of evening showers, areas of fog late at night,
• Areas of AM fog, mostly cloudy Sunday, a slight (20%) chance of rain with patchy fog late Sunday night.
• lows 36-44 cooling to 39 Sunday night highs 50-54.
• Mostly cloudy with a (30%) chance of rain Monday and at night,
• A slight (20%) chance of showers Tuesday, then partly cloudy with areas of fog  through Wednesday (Christmas Day), partly cloudy with areas of fog Wednesday night and Thursday.
• highs near 53 lows 40-35. (seasonal averages high 51 low 39)

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Forecast for the Cascades of Lane County”

• Cloudy with AM rain, rain and snow likely (70%) this afternoon (0.10 in. of rain possible, 2 in. of snow possible), mostly cloudy with a (40%) chance of rain and snow tonight (under 0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of AM rain and snow, a slight (20%) chance of rain Sunday afternoon and evening,
• Mostly cloudy with rain likely (60%) Monday, a good (50%) chance of showers Monday night.
• snow level 6,000 ft. today, 5,000 ft. tonight, 6,000 ft. rising to 7,000 ft. Sunday, 7,500 ft. Sunday night, 7,000 ft. Monday, then 6,500 ft. at night.
• highs 37-47 lows near 34.
• A mix of clouds and sun with a slight (20%) chance of rain and snow showers Tuesday, partly cloudy Tuesday night (Christmas Eve),
• Then mostly sunny Wednesday (Christmas Day) and Thursday with partly cloudy skies Wednesday night and mostly clear Thursday night,
• Then just partly cloudy Friday.
• snow level 5,500 ft. Tuesday, free air freezing level 6,500 ft. Tuesday, 6,500 ft. Tuesday night, 7,500 ft. Wednesday, then 8,000 ft. Thursday through Friday.
• highs 38-32 warming to 42 Thursday lows 24-29.