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) takes over to dry us out and keep us in sunshine. The graphic for days 1-3 shows no surface frontal systems moving into the Pacific Northwest. The graphic for days 3-7 shows the next fronts to approach us Thursday through next Sunday. 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 115 in the Unhealthy for Sensitive Groups category measuring Particulate Matter.

Oakridge: The Air Quality Index is 71 in the Moderaste category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 63 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: YELLOW – Caution is Advised.

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 WIND ADVISORY IS IN EFFECT UNTIL 6 PM THIS EVENING FOR THE GREATER PORTLAND METRO AREA.
• A HIGH WIND WATCH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, CENTRAL AND EASTERN LAKE COUNTY.
• AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TUESDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.
• A FLOOD WARNING is IN EFFECT FOR THE TUALATIN RIVER AT FARMINGTON.
• 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 areas of fog this AM, partly cloudy this afternoon and evening, mostly cloudy with patchy fog late tonight,
• Patchy AM fog, partly cloudy and a bit warmer Tuesday, a good (50%) chance of rain late Tuesday night (under 0.10 in. of rain possible),
• Mostly cloudy and a bit warmer with rain Wednesday and at night.
• highs 50-55 lows 33-45.
• Mostly cloudy with AM rain likely (70%), showers likely (70%) and a bit cooler Thursday afternoon, cloudy with a good (50%) chance of rain Thursday night,
• Cloudy and a bit cooler with a (30%) chance of showers Friday and at night,
• Mostly cloudy with a (30%) chance of showers and a bit cooler Saturday, a (40%) chance of showers Saturday night,
• Then mostly cloudy with a good (50%) chance of showers Sunday.
• highs 53-50 lows near 38. (seasonal averages high 51 low 35)

 

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Forecast for Roseburg:

• Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer this afternoon, mostly cloudy tonight and Tuesday, a (30%) chance of rain Tuesday night (under 0.10 in. of rain possible),
• Mostly cloudy with rain likely (70%) Wednesday, then rain at night.
• highs 58-60 lows 39-47.
• Mostly cloudy with AM rain likely (70%), cloudy and a bit cooler with a good (50%) chance of rain Thursday, cloudy with a (30%) chance of showers Thursday night,
• Cloudy with a (30%) chance of rain and snow showers and a bit cooler Friday, a (30%) chance of showers at night,
• Mostly cloudy with a (40%) chance of AM rain and snow showers Saturday, a (40%) chance of showers in the afternoon, a slight (20%) chance of evening showers, a slight (20%) chance of rain and snow late Saturday night and Sunday AM, then a (40%) chance of rain in the Sunday afternoon.
• highs 53-50 lows near 38. (seasonal averages high 53 low 37)

 

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

• Mostly cloudy with patchy fog this AM, partly cloudy and a bit warmer this afternoon, just mostly cloudy tonight,
• Mostly cloudy Tuesday with a slight (20%) chance of coastal rain and a bit warmer in the afternoon, mostly cloudy with a (40%) chance of rain Tuesday night (0.10 in. of rain possible),
• Then mostly cloudy with rain and a bit cooler Wednesday, rain and windy Wednesday night.
• highs 57-60 lows 44-52 cooling to 50 Wednesday night.
• Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain Thursday afternoon and a bit cooler, cloudy with a (20%) chance of showers Thursday night,
• Cloudy and a bit cooler with a slight (20%) chance of showers Friday, a good (50%) chance of showers at night,
• Mostly cloudy with a (40%) chance of showers Saturday, a slight (20%) chance of evening showers, a slight (20%) chance of rain late at night,
• Then mostly cloudy with a (40%) chance of rain Sunday.
• highs 53-50 warming to 52 Sunday lows never 42. (seasonal averages high 53 low 40)

 

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Forecast for the Cascades in Lane County:

• Mostly sunny today, partly cloudy tonight,
• Partly cloudy and a bit warmer Tuesday and in the evening, mostly cloudy with a (40%) chance of rain late Tuesday night,
• Cloudy and a bit cooler with rain likely (70%) Wednesday, then rain at night.
• free air freezing level 9,000 ft. rising to 10,000 ft. this afternoon, 10,00o ft. falling to 7,500 ft. late tonight, 8,000 ft. rising to 11,000 ft. Tuesday, then snow level above 8,000 ft. Tuesday night and Wednesday night.
• highs 44-40 lows 23-33.
• Cloudy and a bit cooler with rain and snow Thursday, cloudy with a good (50%) chance of rain and snow Thursday night,
• A slight (20%) chance of rain and and snow showers Friday and a bit cooler, a (40%) chance of rain and snow showers at night,
• Mostly cloudy and a bit cooler with a (40%) chance of rain and snow showers Saturday, then mostly cloudy with a good (50%) chance of rain and snow showers Saturday night and Sunday (a bit cooler).
• Snow level 5,500 ft. Thursday, 3,500 ft. Thursday night and Friday, 4,000 ft. Friday night, 3,500 ft. Saturday, 4,000 ft. Saturday night, then 3,500 ft. Sunday.
• highs 39-35 lows 26-25.

 

 

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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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