Here is my weekly weather quiz question. What is a “Nor’easter?” 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 “U” shape with blue arrows) is sending more Pacific moisture our way.  A frontal system is heading our way bringing increasing rain chances. Here is another frontal system sitting offshore Sunday morning. Next Tuesday a frontal system is poised to move in.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 110 in the Unhealthy for Sensitive Groups category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 67 in the Moderate category measuring Particulate Matter.

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

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Advisories:

• A HIGH WIND WARNING IS IN EFFECT  UNTIL 6 PM THIS EVENING FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.

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

• Becoming mostly cloudy with a good (50%) chance of rain and a bit cooler this afternoon (0.10 in. of rain possible), evening rain, a good (50%) chance of showers late tonight (0.25 in. of rain possible),
• A mix of clouds and sun and a bit cooler Saturday with a slight (20%) chance of AM showers, mostly cloudy with areas of fog late Saturday night,
• Areas of AM fog, a mix of clouds and sun and a bit warmer with patchy lingering fog Sunday afternoon, then partly cloudy with patchy fog late Sunday night.
• highs 55-52 warming to 56 Sunday lows 40-37 warming back to 40 Sunday night.
• Partly cloudy with patchy fog Monday AM, sunny and a bit warmer in the afternoon, partly cloudy with patchy fog late Monday night,
• Patchy fog and partly cloudy Tuesday AM, sunny in the afternoon, partly cloudy with patchy fog late Tuesday night,
• Patchy fog with a mix of clouds and sun Wednesday AM,  mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy cloudy with a slight (20%) chance of rain late Wednesday night,
• Then mostly cloudy and a bit cooler with a slight (20%) chance of rain Thursday.
• high 59-55 lows 40-44. (seasonal averages high 50 low 35)

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Home Wood Heating Advisory:

Eugene-Springfield: GREEN – Burning is allowed.

Oakridge: YELLOW – Caution is Advised.

*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 with a (30%) chance of rain this afternoon (under 0.10 in. of rain possible), evening rain, a good (50%) chance of rain late tonight (0.15 in. of rain possible),
• Mostly cloudy Saturday, partly cloudy in the evening, mostly cloudy with areas of fog late Saturday night,
• Partly cloudy with areas of fog Sunday AM, mostly sunny with patchy lingering afternoon fog and a bit warmer, then clear with patchy fog late Sunday night.
• highs 57-62 lows 40-42.
• Patchy AM fog, mostly sunny and a bit warmer Monday and Tuesday, clear with patchy fog late both nights,
• Patchy AM fog, partly cloudy and a bit cooler in the afternoon, then mostly cloudy with a (30%) chance of rain Wednesday night and Thursday (a bit cooler).
• highs 64-58 lows 42-45. (seasonal averages high 52 low 37)

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

• Mostly cloudy with rain this afternoon (0.20 in. of rain possible) and breezy (Wind: S 15-25 mph gusts to 45 mph), evening rain, coastal showers late tonight while inland rain late (0.30 in. of rain possible) and breezy (Wind: SW 15-25 mph gusts to 40 mph shifting S 5 mph late),
• Just mostly cloudy Saturday, partly cloudy in the evening, mostly cloudy with patchy fog late Saturday night and Sunday AM, sunny and warmer Sunday afternoon, then clear at night.
• highs 59-63 lows 44-48.
• Sunny Monday and Tuesday, clear both nights,
• Sunny Wednesday AM, partly cloudy in the afternoon, then becoming mostly cloudy with a (40%) chance of rain Wednesday night and Thursday.
• highs 65-58 lows near 48. (seasonal averages high 52 low 40).

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Forecast for the Cascades in Lane County:

• Mostly cloudy with a slight (20%) chance of rain this afternoon, evening rain and snow, rain and snow showers likely (70%) late tonight (0.50 in. of rain possible, 1-4 in. of snow possible),
• A mix of clouds and sun with a (30%) chance of AM rain and snow showers Saturday (under 0.10 in. of rain possible), a bit cooler in the afternoon with a slight (20%) chance of rain and snow showers, partly cloudy with a (30%) chance of evening rain and snow showers, mostly cloudy with a slight (20%) chance of showers late Saturday night,
• Partly cloudy and a bit warmer Sunday, then mostly clear at night.
• snow level 6,500 ft. this afternoon, 5,000 ft. falling to 4,000 ft. tonight and Saturday,  6,500 ft. rising to 7,500 ft. Saturday night, free air freezing level 9,000 ft. rising to 11,000 ft. Sunday, then 12,000 ft. Sunday night.
• highs 42-38 warming to 45 Sunday lows 28-35.
• Sunny and a bit warmer Monday and Tuesday (a bit warmer), clear to mostly clear both nights,
• Mostly sunny Wednesday, partly cloudy early then mostly cloudy with a slight (20%) chance of rain Wednesday night and Thursday.
• free air freezing level 12,000 ft. Monday, 13,000 ft. Monday night and Tuesday, 11,000 ft. Tuesday night, 10,000 ft. Wednesday, snow level 7,500 ft. Wednesday night, then 7,000 ft. Thursday.
• highs 45-48 cooling to 46 Thursday lows 34-36.

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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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