Here is my weekly weather quiz question. What is “Accretion?” Pease 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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The Upper level airflow will keep the moisture pouring into the Pacific Northwest. The graphic for days 3-7 shows a frontal system that will move toward us from the northeast. It is commonly called a “backdoor” front because it moves in from the opposite direction where fronts usually come from.  All of the local ski areas are open due to the repeated significant snowfalls. For mountain snow conditions check out their websites or give them a call.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 49 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 77 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 83 in the Moderate 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 FREEZING RAIN ADVISORY IS IN EFFECT UNTIL 6 PM TODAY FOR FOR THE GREATER PORTLAND AREA.
• AN ICE STORM WARNING IS IN EFFECT UNTIIL 4 AM SATURDAY FOR THE WESTERN COLUMBIA GORGE.
• A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM TODAY FOR THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADES, AND THE UPPER HOOD RIVER VALLEY.
• A WINTER STORM WARNING IS IN EFFECT FROM 10 PM THIS EVENING UNTIL 10 AM SATURDAY ABOVE 5,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 PM THIS EVENING UNTIL 10 AM SATURDAY ABOVE 4,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND 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.
• A Blue-Green Algae Health Advisory remains in effect for Agency Lake. Agency Lake is located just north of Upper Klamath Lake near Klamath Falls along Highway 97 in Klamath County. Water monitoring on the lake has confirmed the presence of high levels of blue-green algae and associated toxins that can be harmful to people and animals. Swallowing water while swimming or inhaling water droplets as a result of high-speed water activities, such as water skiing and power boating, should be avoided in areas where blooms are identified. Although toxins are not absorbed through the skin, contact with cells from a bloom can cause skin irritation and a red, puffy rash in individuals with skin sensitivities, or those who develop rashes easily.

 

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

• Mostly cloudy with showers and a bit warmer today (0.25 in. of rain possible), showers tonight (0.25 in. of rain possible),
• Mostly cloudy with rain Saturday (0.25 in. of rain possible), showers Saturday night (0.25 in. of rain possible),
• Mostly cloudy with rain and a bit cooler Sunday and in the evening, then showers likely (70%) late at night.
• highs 48-45 lows 42-40.
• Mostly cloudy with a good (50%) chance of showers and a bit cooler Monday and Monday night,
• A mix of clouds and sun and a bit warmer Tuesday with a (30%) chance of rain, partly cloudy with a slight (20%) chance of rain and snow showers at night,
• Mostly cloudy with a (30%) chance of rain and a bit warmer Wednesday, rain likely (70%) Wednesday night,
• Then cloudy with a good (50%) chance of rain Thursday.
• highs near 45 lows 36-38. (seasonal averages high 46 low 34)

 

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Forecast for Roseburg:

• Mostly cloudy and a bit warmer with rain today (0.25 in. of rain possible), evening showers, rain late tonight (0.25 in. of rain possible),
• AM rain likely (70%) Saturday, rain and snow showers and a bit cooler in the afternoon (0.25 in. of rain possible, snow level 2,000 ft. rising to 2,500 ft. in the afternoon), showers Saturday night (0.25 in. of rain possible, snow level 3,000 ft. falling to 2,500 ft. late at night),
• Mostly cloudy with AM rain and snow likely (70%), rain and snow Sunday afternoon and evening, then a good (50%) chance of rain and snow showers late Sunday night,
• highs 50-48 lows 43-40.
• Cloudy and a bit cooler Monday with a showers likely (70%), mostly cloudy with a good (50%) chance of showers Monday night,
• Mostly cloudy with a slight (20%) chance of rain and a bit cooler Tuesday and in the evening, a slight (20%) chance of rain and snow at night,
• Cloudy with a (40%) chance of rain Wednesday through Thursday.
• highs 47-44 lows near 38. (seasonal averages high 48 low 37)

 

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

• Mostly cloudy with rain and a bit cooler today (0.25 in. of rain possible) and breezy (Wind: SW 15-25 mph this afternoon), evening showers, rain late tonight (0.25 in. of rain possible),
• AM rain likely, showers Saturday afternoon (0.25 in. of rain possible), showers Saturday night (0.25 in. of rain possible),
• Then mostly cloudy with coastal rain Sunday while inland AM rain likely (70%) and inland rain in the afternoon, evening rain, then showers likely (70%) Sunday night.
• highs 52-50 warming back to 52 Sunday lows 45-43.
• Mostly cloudy with showers likely (70%) and a bit cooler Monday, a slight (20%) chance of showers at night,
• A slight (20%) chance of rain and a bit cooler Tuesday and Tuesday night,
• Mostly cloudy with a good (50%) chance of rain Wednesday, then cloudy with a (40%) chance of rain Wednesday night and Thursday.
• highs near 50 lows near 40. (seasonal averages high 51 low 40)

 

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Forecast for the Cascades in Lane County:

• Cloudy with rain and snow showers today (0.50 in. of rain possible, 2-5 in. of snow possible), rain and snow showers tonight (0.50 in. of rain possible, 2-5 in.of snow possible, up to 0.50 in. of ice accumulation possible),
• Cloudy and a bit cooler with snow showers Saturday (0.50 in. of rain possible, 2-5 in. of snow possible), rain and snow showers and breezy (Wind: SW 15-25 mph gusts to 35 mph) Saturday night,
• Mostly cloudy with snow and rain and a bit cooler Sunday and in the evening, then snow showers at night.
• snow level 5,000 ft. today, 4,500 ft. tonight, 3,500 ft. Saturday, 3,000 ft. Saturday night and Sunday, then 2,500 ft. Sunday night.
• highs 37-30 lows 32-25.
• Cloudy and a bit warmer with a good (50%) chance of snow showers Monday and Monday night,
• A mix of clouds and sun with a (40%) chance of snow and a bit cooler Tuesday, partly cloudy with a (40%) chance of snow showers at night.
• Mostly cloudy with a (40%) snow Wednesday, then rain and snow likely (70%) Wednesday night and  Thursday.
• snow level 2,500 ft. Monday, at the surface Monday night through Wednesday, then 4,000 ft. Wednesday night and Thursday.
• highs 35-32 warming to 34 Thursday lows 23-28.

 

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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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