Here is my weekly weather quiz question. What is “AWIPS?” The first person to post the correct answer as a comment on this page 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) is moving in bringing sunshine and dry weather.  The graphics for days 3-7 show that no frontal systems will move through the Pacific Northwest until next Wednesday through Friday. The weather is looking perfect for the Prefontaine Classic this Saturday and the Pre-Prefontaine events on today. The whole long Memorial Day Holiday Weekend is looking bright, dry and warmer.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 8 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 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:

• Sunny and a bit warmer today and Saturday, clear tonight and Saturday night,
• Mostly sunny Sunday, partly cloudy at night.
• highs 82-84 cooling back to 82 Sunday lows 49-52.
• Partly cloudy in the AM, mostly sunny Monday afternoon (Memorial Day), then partly cloudy and a bit cooler Monday night through Tuesday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late at night,
• A slight (20%) chance of AM showers, a mix of clouds and sun Thursday afternoon with a (30%) chance of showers and a bit cooler.
• highs 82-72 cooling to 69 Thursday lows 52-49. (seasonal averages high 69 low 45)

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Eugene-Springfield Pollen Count:

Grass………. High (117)

Trees………. Moderate (17)

Last Counted: 5/26/17

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Sunny and a bit warmer today and Saturday, clear both nights,
• Sunny and a bit warmer Sunday, mostly clear in the evening, then partly cloudy late Sunday night.
• highs 83-89 lows 52-55.
• Partly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Monday (Memorial Day through Tuesday night,
• Partly cloudy Wednesday with a slight (20%) chance of showers in the afternoon, then partly cloudy with a (30%) chance of showers at night and Thursday (a bit cooler).
• highs 83-74 lows 55-52. (seasonal averages high 72 low 49)

 

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

• Mostly sunny and a bit warmer this afternoon, mostly clear in the evening at the shore and mostly cloudy patchy coastal fog late tonight while clear inland tonight,
• Mostly cloudy with patchy AM coastal fog and partly cloudy and a bit cooler in the afternoon at the shore while sunny and a bit cooler inland Saturday, partly cloudy in the evening at the shore and mostly cloudy late at night while  clear inland Saturday night,
• Mostly cloudy at the shore in the AM and partly cloudy in the afternoon while sunny and a bit cooler inland Sunday afternoon, clear in the evening, then partly cloudy Sunday night.
• highs 65-60 lows near 52.
• Partly cloudy Monday (Memorial Day), Tuesday (a bit warmer), Wednesday, and Thursday (a bit cooler).
• highs 60-63 cooling to 59 Thursday lows near 52. (seasonal averages high 60 low 48)

 

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Forecast for the Cascades in Lane County:

• Sunny and a bit warmer today and Saturday, mostly clear both nights,
• Mostly sunny and a bit warmer Sunday, then partly cloudy  Sunday night.
• free air freezing level 10,000 ft. this afternoon, 11,000 ft. late tonight, 11,000 ft. rising to 12,000 ft. Saturday afternoon, 12,000 ft. Saturday night and Sunday, then 13,000 ft. Sunday night.
• highs 72-79 lows 40-44.
• Mostly sunny in the AM, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Monday (Memorial Day) afternoon and evening, just partly cloudy at night,
• Partly cloudy and a bit cooler Tuesday with a slight (20%) chance of showers and thunderstorms in the afternoon and evening,  partly cloudy with a slight (20%) chance of showers late Tuesday night,
• a mix of clouds and sun with a slight (20%) chance of AM showers, a slight (20%) chance of showers and thunderstorms and a bit cooler Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening showers and thunderstorms, partly cloudy with a (30%) chance of showers late Wednesday night,
• A slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a (40%) chance of showers Thursday afternoon.
• free air freezing level  13,000 ft. Monday morning, snow level above 8,000 ft. Monday afternoon and Monday night, free air freezing level 13,000 ft. late Monday night and Tuesday AM, snow level above 8,000 ft. Tuesday afternoon through Thursday.
• highs 78-65 lows 43-40.

 

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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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