Here is my new weekly weather quiz question. What is  “Pancake Ice?” 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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An upper level trough of low pressure (Shaded area with blue arrows) is moving through Oregon. A frontal system has moved in bringing more showers and possible thunderstorms to us. Short-lived high pressure gives us a break Saturday. Here comes yet another frontal system approaching Sunday. By Tuesday this frontal system will be approaching the Pacific Northwest.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 9 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 9 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 12 in the Good category measuring Particulate Matter.

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

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Advisories:

• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
• A WIND ADVISORY IS IN EFFECT UNTIL 7 PM TODAY FOR CENTRAL AND EASTERN LAKE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 7 PM TONIGHT FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.

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

• Mostly cloudy with evening showers and small hail possible and a slight (20%) chance of thunderstorms, colder with a good (50%) chance of showers late tonight (0.10 in. of rain possible),
• Patchy AM fog, a mix of clouds and sun and a bit warmer Saturday, partly cloudy with patchy fog late at night and Sunday AM, a slight (20%) chance of AM rain, rain likely (70%) and a bit warmer in the afternoon (0.15 in. of rain possible), mostly cloudy in the evening, partly cloudy with patchy fog late Sunday night,
• A mix of clouds and sun and a bit warmer Monday, then partly cloudy Monday night.
• lows 38-36 highs 52-50 warming to 55 Monday.
• Partly cloudy and a bit warmer Tuesday and at night,
• A mix of clouds and sun with a (30%) chance of showers and a bit cooler Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night,
• Partly cloudy and a bit warmer Thursday and at night,
• Then partly cloudy with a slight (20%) chance of rain Friday.
• high 57-60 lows 42-40 warming to 43 Thursday night. (seasonal averages high 52 low 35).

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Home Wood Heating Advisory:

Eugene-Springfield: GREEN – Wood Burning Allowed.

Oakridge: GREEN – Wood Burning Allowed.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Advisory Courtesy of Lane Regional Air Protection Agency (LRAPA).

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Forecast for Roseburg:

• Mostly cloudy showers likely (70%) this evening, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible, snow level 3,000 ft.),
• Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer Saturday afternoon and evening, mostly cloudy with patchy fog late Saturday  night,
• Mostly cloudy with patchy AM fog and a (30%) chance of rain, rain Sunday afternoon (0.15 in. of rain possible), mostly cloudy with areas of fog late Sunday night and Monday AM, partly cloudy and warmer Monday afternoon, mostly clear in the evening, partly cloudy in the afternoon with patchy fog late Monday night
• lows 36-39 cooling to 35 Monday night highs 54-62.
• Partly cloudy and a bit warmer with areas of fog Tuesday through Wednesday night,
• Areas of AM fog, partly cloudy and a bit cooler with a slight (20%) chance of rain with patchy lingering fog Thursday afternoon, patchy evening fog, areas of fog late Thursday night,
• Then mostly cloudy and a bit warmer with a slight (20%) chance of rain Friday.
• highs 62-65 lows 42-46. (seasonal averages high 54 low 37).

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

• Mostly cloudy with evening coastal showers while inland evening showers showers likely (70%), and a slight (20%) chance of showers late tonight (0.10 in. of rain possible),
• Mostly cloudy with patchy fog in the AM, partly cloudy and a bit warmer Saturday afternoon and at night,
• Mostly cloudy with patchy fog Sunday, AM coastal rain likely (70%) while a good (50%) chance of AM inland rain, rain in the afternoon (0.25 in. of rain possible) and a bit warmer, mostly clear in the evening, then mostly clear with patchy fog late Sunday night,
• Areas of AM fog, mostly cloudy and warmer Monday afternoon, then mostly clear with areas of fog at night.
• lows near 42 highs 54-60.
• Mostly cloudy with areas of AM fog, partly cloudy and a bit warmer Tuesday afternoon through  Wednesday, partly cloudy with areas of fog Wednesday night and Thursday AM, mostly cloudy with a slight (20%) chance of rain Thursday afternoon, areas of fog late Thursday night,
• Then mostly cloudy with a (40%) chance of rain Friday.
• highs 66-62 lows near 48. (seasonal averages high 53 low 40).

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Forecast for the Cascades in Lane County:

• Mostly cloudy with rain and snow showers this evening, rain and snow showers likely (60%) late tonight (0.25 in. of rain possible, 2-4 in. of snow possible),
• AM clouds, partly cloudy Saturday and Saturday night,
• Partly cloudy with a (%) chance of AM rain and snow, rain and snow and a bit warmer Sunday afternoon, mostly cloudy in the evening, just partly cloudy Sunday night.
• snow level 3,000 ft. tonight, free air freezing level 3,500 ft rising to 4,500 ft. Saturday afternoon, 6,000 ft. falling to 5,000 ft. late Saturday night, then snow level 4,500 ft. Sunday, free air freezing level 5,500 ft. Sunday night, 4,500 ft. Monday, then 5,000 ft. Monday night.
• A mix of clouds and sun and a bit warmer Monday, then mostly clear Monday night.
• lows 23-28 highs 38-36 warming to 43 Monday.
• Partly cloudy and a bit warmer Tuesday and at night,
• A mix of clouds and sun and a bit warmer with a (30%) chance of rain and snow showers Wednesday,  just partly cloudy Wednesday night through Thursday night,
• Then partly cloudy with a slight (20%) chance of rain Friday.
• free air freezing level 10,000 ft. Tuesday and Tuesday night, snow level 6,500 ft. Wednesday, free air freezing level 8,000 ft. Wednesday night, 9,000 ft. Thursday and Thursday night, then snow level above 8,000 ft. Friday.
• highs 46-48 lows 33-36.

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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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