Here is my new weekly weather quiz question. What is  “Alluvium?” 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 High Pressure Ridge (Shaded “Arch” shape with blue arrows) has been keeping us in sunshine. The graphic for days 1-3 shows the next frontal system moving tinto the Pacific Northwest. The graphic for days 3-7 shows more fronts approaching us Friday through next Tuesday. 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 10 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 14 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 10 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 HIGH WIND WARNING IS IN EFFECT UNTIL 6 AM THURSDAY FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
• A HIGH WIND WARNING IS IN EFFECT UNTIL UNTIL 4 AM THURSDAY  FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH SURF ADVISORY IS IN EFFECT UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A WIND ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR JACKSON COUNTY.
• A WIND ADVISORY IS IN EFFECT UNTIL 10 AM THURSDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN 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 rain tonight (0.75 in. of rain possible),
• AM showers, showers and a bit cooler with a slight (20%) chance of thunderstorms Thursday afternoon (0.25 in. of rain possible, more in storms), mostly cloudy and colder with a good (50%) chance of showers Thursday night (0.10 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of showers Friday AM, just mostly cloudy and a bit cooler in the afternoon (under 0.10 in. of rain possible), cloudy with a slight (20%) chance of evening showers, a good (50%) chance of showers late Friday night (under 0.10 in. of rain possible),
• Cloudy with a good (50%) chance of AM showers, a slight (20%) chance of showers and a bit cooler Saturday afternoon, then mostly cloudy with a slight (20%) chance of showers Saturday night.
• lows 48-37 highs 54-49.
• Cloudy with a good (50%) chance of rain and a bit warmer Sunday, mostly cloudy with a good (50%) chance of  rain at night,
• Mostly cloudy and a bit warmer with rain likely (70%) Monday (Presidents’ Day), cloudy with a good (50%) chance of showers Monday night,
• Mostly cloudy and a bit cooler with showers  likely (70%) Tuesday, then cloudy with a good (50%) chance of showers Tuesday night and Wednesday.
• highs near 50 lows 40-36. (seasonal averages high 51 low 35)

 

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Forecast for Roseburg:

• Mostly cloudy with rain tonight (0.75 in. of rain possible) and breezy (Wind: S 15-25 mph),
• Rain Thursday AM, showers and cooler with a slight (20%) chance of thunderstorms in the afternoon (0.50 in. of rain possible), mostly cloudy with a (40%) chance of showers Thursday night (under 0.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late at night),
• Mostly cloudy with a (30%) chance of showers Friday (under 0.10 in. of rain possible, snow level 3,500 ft.), cloudy with a (40%) chance of evening rain, a (40%) chance of showers late Friday night (under 0.10 in. of rain possible),
• Cloudy with a (40%) chance of showers and a bit cooler Saturday, then mostly cloudy with a (30%) chance of showers late Saturday night.
• lows 48-39 highs 52-50.
• Mostly cloudy and a bit warmer with rain and snow likely (70%) Sunday, rain likely (70%) at night,
• Cloudy with rain and a bit warmer Monday (Presidents’Day), showers likely (70%) Monday night,
• Mostly cloudy and a bit cooler with rain likely (60%) Tuesday, cloudy with a (40%) chance of showers at night,
• Then mostly cloudy with a (40%) chance of rain and snow showers and a bit cooler Wednesday.
• highs 52-56 cooling to 50 Wednesday lows 39-43 cooling to 36 Tuesday night. (seasonal averages high 54 low 37)

 

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

• Mostly cloudy with rain tonight (1.00 in. of rain possible) and windy (Wind: S 25-35 mph at the shore shifting to SW 15-25 mph late tonight while SW 15-25 mph inland late tonight),
• Mostly cloudy with AM coastal rain and a slight (20%) chance of thunderstorms while inland AM rain and a slight (20%) chance of inland thunderstorms and a bit cooler Thursday afternoon ( o.50 in. of rain possible),  a (40%) chance of showers Thursday night (under o.10 in. of rain possible) and Friday (under 0.10 in. of rain possible), cloudy with a (30%) chance of evening rain, a (30%) chance of showers late Friday night (under 0.10 in. of rain possible),
• Mostly cloudy with a (30%) chance of AM showers, just mostly cloudy Saturday afternoon, then mostly cloudy with a (40%) chance of showers Saturday night.
• lows 52-42 highs near 52.
• Mostly cloudy and a bit warmer with showers likely (70%) Sunday, rain likely (70%) at night,
• Mostly cloudy and a bit warmer with rain Monday (Presidents’ Day) and breezy, showers likely (70%) Monday night,
• Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, then cloudy with a (40%) chance of showers Tuesday night and Wednesday.
• highs 55-50 lows 46-42. (seasonal averages high 53 low 40)

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy with rain (0.75 in. of rain possible) tonight and windy (Wind: S 20-30 mph gusts to 50 mph) tonight,
• Cloudy with rain and snow showers and a bit cooler Thursday (0.50 in. of rain possible, 1-4 in. of snow possible), mostly cloudy with evening rain and snow showers likely (70%), a good (50%) chance of rain and snow showers and colder late Thursday night,
• Cloudy and a bit cooler with a (40%) chance of rain and snow showers Friday AM, mostly cloudy with a slight (20%) chance of afternoon rain and snow showers, cloudy with a good (50%) chance of rain and snow showers late at night,
• Cloudy with a good (50%) chance of rain and snow showers and a bit cooler Saturday, then mostly cloudy with a (40%) chance of rain and snow showers and a bit cooler Saturday night.
• snow level above 8,000 ft. falling to 7,000 ft. late tonight, 5,500 ft. falling to 4,500 ft. Thursday afternoon, 3,500 ft. Thursday night and Friday, 4,500 ft. Friday night, then 3,500 ft. Saturday and Saturday night.
• lows 34-24 highs 38-40 cooling 36 Saturday.
• Cloudy and a bit cooler with rain and snow likely (70%) Sunday, mostly cloudy with a good (50%) chance of rain and snow Sunday night,
• Mostly cloudy and a bit warmer with rain and snow Monday (Presidents’ Day), rain and snow showers likely (70%) Monday night,
• Mostly cloudy and a bit cooler with a good (50%) chance of rain and snow showers Tuesday, cloudy with a good (50%) chance of rain and snow showers at night,
• Then mostly cloudy with a good (50%) chance of rain and snow showers and a bit cooler Wednesday.
• snow level 3,000 ft. Sunday, 4,000 ft. Sunday night, 5,500 ft. Monday, 4,500 ft. Monday night, 4,000 ft. Tuesday and Tuesday night, then 3,000 ft. Wednesday.
• highs 35-33 lows 27-23.

 

 

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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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