Here is my weekly weather quiz question for the last time. What is “AFOS?” Please remember to post your answer at the bottom of this page. An email will not suffice. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

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Upper level low pressure (Shaded “U” shape with blue arrows) continues to send moisture our way join the form of frontal systems.  The days 1-3 graphic shows the next surface lows and frontal systems that will bring rain and snow to the Pacific Northwest. The graphic for days 3-7 shows no slowdown in frontal systems that will be headed our way early and mid next week. For mountain snow conditions at the local ski areas check out their websites or give them a call.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 52 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 56 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 26 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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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.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 10 AM WEDNESDAY FOR THE NORTH OREGON COAST.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY FOR THE COAST RANGE OF NORTHWEST OREGON.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL NOON WEDNESDAY THE COAST RANGE OF WESTERN OREGON.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM WEDNESDAY FOR THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE NORTHERN OREGON CASCADES.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM UNTIL 4 PM WEDNESDAY FOR THE SOUTH WILLAMETTE VALLEY.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM WEDNESDAY FOR THE CASCADES IN LANE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM WEDNESDAY FOR THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE AND THE UPPER HOOD RIVER VALLEY.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM WEDNESDAY ABOVE 3,000 FT. FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR  THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A FLOOD WARNING IS IN EFFECT FOR THE SOUTH FORK OF THE COQUILLE RIVER AT MYRTLE POINT AND THE COQUILLE RIVER AT COQUILLE AND FOR THE ROGUE RIVER NEAR AGNESS. MODERATE FLOODING  EXPECTED TO CONTINUE.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

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

• Mostly cloudy with rain tonight (0.25 in. of rain possible),
• Mostly cloudy with AM rain and snow, rain and snow likely (70%) and cooler Wednesday afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening showers, a slight (20%) chance of snow showers late at night (under 0.10 in. of rain possible, about 1 in. of snow possible),
• Mostly sunny and a bit cooler Thursday, mostly clear in the evening, mostly cloudy with patchy freezing fog late Thursday night,
• Mostly cloudy with patchy AM freezing fog, mostly sunny and a bit warmer Friday afternoon, then becoming partly cloudy at night.
• lows 32-23 warming to 29 Friday night highs 36-34 warming back to 36 Friday.
• Partly cloudy and a bit warmer Saturday, a slight (20%) chance of rain and a bit warmer Saturday night,
• A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Sunday, mostly cloudy with a good (50%) chance of rain Sunday night,
• Mostly cloudy with a (40%) chance of rain and a bit warmer Monday, cloudy with a good (50%) chance of rain at night,
• Then mostly cloudy and a bit warmer with rain likely (70%) Tuesday.
• highs 42-52 lows 32-43. (seasonal averages high 47 low 34)

 

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Forecast for Roseburg:

• Mostly cloudy with showers tonight (0.25 in. of rain possible, snow level 3,000 ft. late tonight),
• Mostly cloudy and a bit cooler with rain and snow showers likely (70%) Wednesday (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 2,000 ft. falling to 1,500 ft. in the afternoon), evening rain and snow showers likely (70%), a (40%) chance of rain and snow showers late Wednesday night (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 1,500 ft. falling to 0 ft. late at night),
• Just mostly cloudy in the AM, partly cloudy and a bit cooler Thursday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Thursday night and Friday AM, sunny and a bit warmer Friday afternoon, then mostly cloudy with patchy freezing fog late Friday night.
• lows 37-27 warming to 32 Friday night highs 42-39 warming back to 42 Friday.
• Patchy AM freezing fog, partly cloudy and a bit warmer Saturday afternoon and evening, mostly cloudy at night,
• Mostly cloudy with a slight (20%) chance of rain and a bit warmer Sunday and Sunday night,
• Mostly cloudy and a bit warmer with a (30%) chance of rain Monday (Martin Luther King, Jr. Day), cloudy with a good (50%) chance of rain at night,
• Then mostly cloudy and a bit warmer with rain Tuesday.
• highs 46-53 lows 34-42. (seasonal averages high 49 low 36)

 

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

• Cloudy with showers and a slight (20%) chance of thunderstorms this evening, showers and colder late tonight (0.50 in. of rain possible),
• Mostly cloudy with coastal showers likely (70%) and a bit cooler Wednesday while inland AM showers likely (70%) and inland rain and snow showers in the afternoon (0.25 in. of rain possible, snow level 2,000 ft. falling to 1,500 ft. in the afternoon), mostly cloudy with a (30%) chance of coastal showers Wednesday night while a (40%) chance of inland rain and snow showers at night (under 0.10 in. of rain possible, snow level 1,500 ft. falling to 300 ft. late Wednesday night),
• Just partly cloudy Thursday AM, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, mostly cloudy with patchy freezing fog late Thursday night and Friday AM, sunny and a bit warmer in the afternoon, then becoming mostly cloudy Friday night.
• lows 39-32 warming to 36 Friday night highs 45-47.
• Just partly cloudy and a bit warmer Saturday, mostly cloudy with a slight (20%) chance of rain Saturday night and Sunday, a (40%) chance of rain Sunday night,
• Cloudy with a good (50%) chance of rain Monday (Martin Luther King, Jr. Day), rain likely (70%) at night.
• Then mostly cloudy and a bit warmer with rain Tuesday.
• highs 52-55 lows 39-46. (seasonal averages high 51 low 40)

 

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy with rain and snow tonight (0.25 in. of rain possible, 4-8 in. of snow possible),
• Cloudy with AM snow, snow showers and a bit cooler Wednesday afternoon (3-5 in. of snow possible), a good (50%) chance of evening snow showers, a slight (20%) chance of showers and cold late Wednesday night,
• Partly cloudy Thursday AM, mostly sunny and a bit cooler in the afternoon, mostly clear and cold Thursday night,
• Mostly sunny and a bit warmer Friday, then becoming partly cloudy Friday night.
• snow level 3,500 ft. tonight, at the surface Wednesday and Wednesday night,
• Partly cloudy Thursday AM, mostly sunny and a bit warmer in the afternoon, mostly clear and cold at night,
• Mostly sunny and a bit warmer Friday, then partly cloudy Friday night.
• lows 24-12 warming to 19 Friday night highs 28-30.
• Partly cloudy and a bit warmer Saturday and Saturday night,
• A mix of clouds and sun with a slight (20%) chance of rain and a bit warmer Sunday, partly cloudy with a  (40%) chance of rain and snow Sunday night,
• Cloudy with a good (50%) chance of rain and a bit warmer Monday (Martin Luther King, Jr. Day), cloudy with a good (50%) chance of rain and snow Monday night,
• Then mostly cloudy and a bit warmer with rain likely 70%) Tuesday.
• free air freezing level 5,000 ft. Saturday, 6,500 ft. Saturday night, snow level 6,000 ft. Sunday, 5,500 ft. Sunday night, 6,000 ft. Monday, 5,500 ft. Monday night, then 7,000 ft. Tuesday.
• highs 34-40 lows 20-29.

 

 

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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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