Here is my weekly weather quiz question. What is  “Air Stagnation?” Please remember to post your answer at the bottom of this page. 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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An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) is controlling our weather for the foreseeable future. The graphic for days 1-3 shows the next fronts that bring back the freezing Winter precipitation for a short time. Watch out for the potentially slippery roads. The graphic for days 3-7 shows very active frontal systems heading our way next week. For mountain snow conditions at the local ski areas check out their websites or give them a call. Punxsutawney Phil saw his shadow at Gobbler’s Knob, about 2 miles outside of Punxsutawney, Pennsylvania this morning predicting 6 more weeks of Winter.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 21 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 11 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 17 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: 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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Advisories:

• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 AM UNTIL 6 PM FRIDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL WILLAMETTE VALLEY.
• A WINTER STORM WATCH IS IN EFFECT FROM 1 AM UNTIL 10 AM FRIDAY FOR THE CENTRAL COAST RANGE OF WESTERN OREGON AND THE NORTHERN OREGON CASCADE FOOTHILLS.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 AM UNTIL 4 PM FRIDAY FOR THE LOWER COLUMBIA.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 AM FRIDAY UNTIL 4 AM SATURDAY FOR THE GREATER PORTLAND METRO AREA.
• A WINTER STORM WARNING IS IN EFFECT FROM 4 AM FRIDAY UNTIL 6 AM SATURDAY  FOR THE WESTERN COLUMBIA RIVER GORGE.
• A WINTER STORM WARNING IS IN EFFECT FROM 4 AM FRIDAY UNTIL 10 AM SATURDAY FOR THE CENTRAL COLUMBIA GORGE AND THE UPPER HOOD RIVER VALLEY.
• A WIND ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE GREATER PORTLAND METRO AREA.
• A WIND ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR JACKSON COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 P TONIGHT UNTIL 10 AM SATURDAY ABOVE 500 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.
• A HIGH WIND WARNING IS IN EFFECT FROM 1 AM FRIDAY UNTIL 4 PM SATURDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY,
• 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 a good (50%) chance of evening rain, rain with a chance of freezing rain late tonight (0.10 in. of rain possible),
• Mostly cloudy with rain likely (70%) and chance of freezing rain Friday AM, rain in the afternoon (0.25 in. of rain possible), rain and breezy (Wind: S 15-25 mph) at night (0.25 in. of rain possible),
• Then mostly cloudy and a bit warmer with rain Saturday (0.25 in. of rain possible) through Sunday night.
• lows 33-42 cooling to 35 Sunday night highs 45-52.
• Mostly cloudy and a bit cooler with showers likely (70%) Monday, cloudy with a (30%) chance of showers Monday night,
• Cloudy with a good (50%) chance of rain Tuesday, mostly cloudy with a (30%) chance of showers at night,
• Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday, cloudy with a good (50%) chance of showers Wednesday night,
• Then rain likely (70%) Thursday.
• highs 43-53 lows 34-40. (seasonal averages high 49 low 35)

 

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Forecast for Roseburg:

• Mostly cloudy with a good (50%) chance of evening showers, rain late tonight through Saturday night (0.25 in. of rain possible each period tonight through Saturday night),
• Cloudy with AM rain likely (70%), then rain and a bit warmer Sunday afternoon and at night.
• lows near 40-43 cooling to 39 Sunday night highs 54-52 warming back to 54 Sunday.
• Mostly cloudy and colder with rain and snow showers likely (70%) Monday, a (30%) chance of rain and snow showers Monday night,
• Rain and snow likely (70%) and a bit warmer Tuesday, mostly cloudy with a (40%) chance of showers at night through Wednesday night,
• Then mostly cloudy and a bit warmer with rain likely (70%) Thursday.
• highs 43-59 lows 38-50. (seasonal averages high 52 low 37)

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

• Mostly cloudy with coastal evening showers with rain and a (40%) chance of thunderstorms late tonight while a good (50%) chance of inland evening showers with inland rain late tonight (0.25 in. of rain possible),
• Cloudy with rain with a (30%) chance of thunderstorms at the shore and a bit cooler Friday while rain inland (0.25 in. of rain possible), rain (0.25 in. of rain possible) Friday night and breezy (Wind: S 15-25 mph at the shore while S 10-20 mph inland,
• Mostly cloudy and a bit cooler with rain Saturday (0.50 in. of rain possible), rain and breezy (Wind: SW 15-25 mph) Saturday night (0.25 in. of rain possible),
• Then cloudy and a bit warmer with rain and windy Sunday and Sunday night.
• lows 45-47 cooling to 42 Sunday night highs 54-52 warming to 55 Sunday.
• Mostly cloudy and a bit cooler with rain and snow showers likely (70%) Monday and breezy, a (40%) chance of showers Monday night,
• Cloudy and a bit warmer with rain likely (70%) Tuesday, mostly cloudy with a slight (20%) chance of showers at night,
• Then mostly cloudy with a (40%) chance of showers and a bit warmer Wednesday, cloudy with a good (50%) chance of showers Wednesday night,
• Then rain likely (70%) and a bit warmer Thursday.
• highs 47-57 lows 42-50. (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 evening rain and snow, rain and snow likely (70%) late tonight (0.10 in. of rain possible, 1 in. of snow possible),
• Rain and snow and a bit warmer Friday and Friday night and breezy (Wind: S 15-25 mph gusts to 35 mph – gusts to 45 mph at night,
• Rain and snow Saturday and at night (0.50 in. of rain possible),
• Cloudy with AM rain and snow likely (70%) Sunday, a good (50%) chance of rain and snow and a bit warmer in the afternoon, then rain and snow likely (70%) Sunday night.
• snow level 3,500 ft. rising to 5,000 ft. late tonight, 5,000 ft. Friday, 4,500 ft. Friday night through Sunday, then 5,000 ft. Sunday night.
• lows 28-30 cooling to 26 Sunday night highs 36-38.
• Mostly cloudy and a bit cooler with snow showers likely (70%) Monday and Monday night,
• Cloudy with snow likely (70%) Tuesday, a good (50%) chance of rain and snow showers at night,
• A mix of clouds and sun with a (30%) chance of rain and snow showers and a bit warmer Wednesday, then cloudy with a good (50%) chance of rain Wednesday night and Thursday.
• snow level at the surface Monday and Monday night, 2,500 ft. Tuesday, 4,000 ft. Tuesday night, 5,000 ft. Wednesday, 7,000 ft. Wednesday night, then 8,000 ft. Thursday.
• highs 26-42 lows 23-32.

 

 

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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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