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 surface lows and frontal systems that tried to bring rain and snow to the Pacific Northwest. Success north of Salem with snow, but not in the South Willamette Valley. 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 11 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 61 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 30 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 STORM WARNING IS IN EFFECT UNTIL 1 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL WILLAMETTE VALLEY, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA,
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR THE NORTHERN OREGON CASCADE FOOTHILLS AND THE NORTHERN OREGON CASCADES.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM TODAY FOR THE CASCADES IN LANE COUNTY.
• A FROST ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 9 AM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST.
• A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM THIS AFTERNOON ABOVE 2,500 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM THIS AFTERNOON ABOVE 3,000 FT. FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• 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:

• Clouds with sun breaks this afternoon with a slight chance of a shower, partly cloudy, a slight (20%) chance of evening rain and snow showers, a slight (20%) chance of snow showers late tonight (under 0.10 in. of rain 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.
• highs 40-34 warming back to 36 Friday lows 29-23 warming to 29 Friday night.
• 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 and a bit cooler with rain and snow showers likely (70%) this afternoon (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 1,000 ft. rising to 1,500 ft. this afternoon), mostly cloudy with a (30%) chance of evening rain and snow showers, partly cloudy with a (30%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, snow level 900 ft. falling to 400 ft. late tonight),
• 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.
• highs 42-39 warming back to 42 Friday lows 30-27 warming to 32 Friday night.
• Patchy AM freezing fog, partly cloudy and a bit warmer Saturday afternoon and evening, mostly cloudy at night,
• Mostly cloudy  and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of rain 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:

• Mostly cloudy with coastal showers likely (70%) and a bit cooler this afternoon while rain and snow showers inland this afternoon (0.25 in. of rain possible, snow level 1,500 ft. falling to 1,000 ft. this afternoon), mostly cloudy with a slight (20%) chance of coastal showers tonight while a (40%) chance of inland rain and snow showers tonight (under 0.10 in. of rain possible, snow level 700 ft. late tonight),
• 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.
• highs 45-47 lows 32-36.
• Just partly cloudy and a bit warmer Saturday, mostly cloudy 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), a good (50%) of rain 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 scattered snow showers and a bit cooler this afternoon (2 in. of snow possible), mostly cloudy with a (40%) chance of evening snow showers, partly cloudy with a slight (20%) chance of showers and cold late tonight,
• 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 at the surface today and tonight, free air freezing level at the surface Thursday through Friday night.
• snow level at the surface today and tonight, free air freezing level at the surface Thursday through Friday night.
• highs 28-30 lows 16-12 warming to 19 Friday night.
• 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, 5,500 ft. Saturday night, 6,500 ft. Sunday, 6,000 ft. Sunday night, 6,500 ft. Monday, then 7,000 ft. Monday night and 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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