Here is my new weekly weather quiz question What is the “Kelvin Temperature Scale?

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An Upper Level Low Pressure Trough (“U” shape) continues to control the weather of the Pacific Northwest. The graphics for days 1-3 show a complex frontal system moving through Oregon Tuesday. The graphics for days 3-7 show an increase in complex frontal systems moving our way Thursday through next Monday continuing the rain chances.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 22 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 28 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 18 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 FROM 8 PM TODAY UNTIL 8 PM TUESDAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM TODAY UNTIL 11 PM TUESDAY ABOVE 2,500 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM TODAY UNTIL 11 PM TUESDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
• A WIND ADVISORY IS IN EFFECT FROM 8 PM TONIGHT UNTIL 3 PM TUESDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE GRANDE RONDE VALLEY.
• A WIND ADVISORY IS IN EFFECT FROM 8 AM TODAY UNTIL 2 PM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A WIND ADVISORY IS IN EFFECT FROM 2 PM TODAY UNTIL 8 PM TUESDAY FOR JACKSON COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM TODAY UNTIL 11 AM TUESDAY ABOVE 2,500 FT. FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS AND JACKSON COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM TODAY UNTIL 11 AM TUESDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.

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

• Mostly cloudy with a (40%) chance of showers this afternoon (under 0.10 in. of rain possible), showers tonight (0.25 in. of rain  possible),
• Mostly cloudy with showers and a bit warmer Tuesday, partly cloudy with a good (50%) chance of evening showers, just partly cloudy with patchy frost late at night,
• Partly cloudy with patchy AM frost, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, a slight (20%) chance of evening showers, then just partly cloudy late Wednesday night.
• highs 50-58 lows 37-33 warming back to 37 Wednesday night.
• Mostly cloudy with a slight (20%) chance of AM showers, a bit cooler with a (40%) chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of showers Thursday night,
• Mostly cloudy with a good (50%) chance of  AM showers, showers likely (70%) and a bit cooler Friday afternoon, showers at night,
• Then mostly cloudy and a bit cooler with showers Saturday through Sunday.
• highs 55-48 lows 38-35. (seasonal averages high 58 low 38)

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Home Wood Heating Advisory:

Posted Daily

Eugene-Springfield: GREEN– Burning is Allowed.

Oakridge: GREEN– Burning is Allowed.

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

Data courtesy of Lane Regional Air Protection Agency (LRAPA

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Eugene-Springfield Pollen Count:

Forecast for the Umpqua Valley including Roseburg:

• Mostly cloudy and a bit warmer with rain and snow likely (70%) this afternoon (0.10 in. of rain possible, afternoon snow level 1,500 ft.), rain and snow tonight (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 2,000 ft. rising to 2,500 ft. late tonight),
• Mostly cloudy with AM rain and snow, showers and a bit warmer Tuesday afternoon (under 0.10 in. of rain possible), a (40%) chance of evening showers, just mostly cloudy late Tuesday night,
• Partly cloudy with a slight (20%) chance of rain Wednesday, then just partly cloudy Wednesday night.
• highs 52-57 lows 39-36.
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, a slight (20%) chance of showers Thursday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of rain and snow Friday, evening rain, rain and snow late at night,
• Then mostly cloudy and a bit cooler with rain and snow showers Saturday through Sunday.
• highs 54-49 lows 42-36. (seasonal averages high 60 low 41)

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

• Cloudy with a slight (20%) chance of AM coastal showers, rain and a bit warmer this afternoon (under 0.10 in. of rain possible, snow level 1,500 ft), rain tonight (0.50 in. of rain possible, evening snow level 1,500 ft.),
• Mostly cloudy with AM coastal rain while inland AM rain and snow, showers likely (70%) and a bit warmer Tuesday afternoon (0.10 in. of rain possible), a good (50%) chance of showers at night (under 0.10 in. of rain possible),
• Partly cloudy with a slight (20%) chance of rain Wednesday afternoon, then just partly cloudy Wednesday night.
• highs 50-54 lows 37-35 warming back to 37 Wednesday night.
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, a slight (20%) chance of showers Thursday night,
• Mostly cloudy with a (30%) chance of rain Friday, rain and breezy at night,
• Then mostly cloudy with showers Saturday through Sunday.
• highs near 50 lows 38-36. (seasonal averages high 55 low 42)

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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

• Mostly cloudy with a good (50%) chance of snow and rain showers and a bit warmer this afternoon (under 0.10 in. of rain possible, 1 in. of snow possible), rain showers and snow showers tonight (0.50 in. of rain possible, 2-5 in. of snow possible), and breezy (Pass Wind: SE 15-25 mph gusts to 45 mph),
• Mostly cloudy with snow and rain showers and a bit warmer Tuesday (light snow accumulation possible), evening snow and rain showers likely (70%), partly cloudy with a slight (20%) chance of snow showers late at night,
• Clouds and sun with a slight (20%) chance of AM snow showers, a mix of clouds and sun with a good (50%) chance of rain and snow showers and a bit warmer Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain and snow showers, then partly cloudy with a slight (20%) chance of rain and snow showers late Wednesday night.
• snow level 2,500 ft. this afternoon, 3,000 ft. tonight and Tuesday, 2,500 ft. Tuesday night, then 3,500 ft. Wednesday and Wednesday night.
• highs 34-37 lows 25-20 warming to 24 Wednesday night.
• A Mostly cloudy with a good (50%) chance of AM snow showers, showers likely (70%) Thursday afternoon, a good (50%) chance of snow and rain showers late Thursday night,
• Mostly cloudy with a good (50%) chance of AM snow showers, snow showers likely (70%) with a good (50%) chance of rain showers Friday afternoon, evening snow and rain showers likely (70%), snow and rain showers likely (70%) late Friday night (snow possibly heavy at times late at night),
• Mostly cloudy with AM snow showers, rain and snow showers and a bit cooler Saturday afternoon (snow possibly heavy at times), snow showers Saturday night (evening snow possibly heavy at times),
• Then mostly cloudy and a bit cooler with snow showers Sunday (afternoon snow possibly heavy at times).
• snow level 3,500 ft. Thursday, 3,000 ft. Thursday night and Friday, 3,500 ft. Friday night, 3,000 ft. Saturday, 2,000 ft. Saturday night, then 2,500 ft. Sunday.
• highs 38-30 lows 25-22.

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For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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