Here is my weekly weather quiz question. What is a  “Short-fuse Warning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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As the upper level low (Shaded “U” shape with blue arrows) slides away to the east as a high pressure ridge (Shaded “Arch” shape with blue arrows) takes over for most of the week.  A frontal system moves down from the northwest Thursday returning the chance of showers. Saturday another frontal system will move across the Pacific Northwest from the west keeping at least a slight chance of thunderstorms with us.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 37 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 38 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories: None At This Time.

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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.

Advisory Courtesy of Lane Regional Air Protection Agency (LRAPA).

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

• Partly cloudy with patchy AM fog, sunny and warmer this afternoon and Wednesday, clear tonight, mostly clear Wednesday night,
• Mostly sunny and warm Thursday, then mostly clear Thursday night.
• highs 78-82 lows 44-49.
• Mostly sunny Friday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms in the afternoon and evening, mostly cloudy with a good (50%) chance of showers late Friday night,
• Cloudy with a slight (20%) chance of AM showers, a bit cooler with a slight (20%) chance of showers and thunderstorms Saturday afternoon and in the evening,  just a slight (20%) chance of showers late at night,
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Sunday and Sunday night,
• A slight chance of AM showers, then just a mix of clouds and sun Monday afternoon.
• highs 78-65 warming to near 70 Sunday and Monday lows 52-49. (seasonal averages high 66 low 43.)

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Eugene-Springfield Pollen Count:

Grass………. Low (3)

Trees………. Moderate (22)

Last Counted: 5/09/16

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Sunny and a bit warmer today, Wednesday and Thursday, clear each night.
• highs 84-89 lows 50-52.
• Sunny in the AM, partly cloudy with a slight (20%) chance of thunderstorms Friday afternoon, a (30%) chance of showers and a slight (20%) chance of thunderstorms Friday night and Saturday (a bit cooler), a slight (20%) chance of evening thunderstorms, then mostly cloudy with a slight (20%) chance of showers late Saturday night through Monday (a bit cooler Sunday and Monday).
• highs 84-68 warming to 75 lows near 52. (seasonal averages high 69 low 46).

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

• Sunny and a bit warmer today, Wednesday and Thursday, clear each night.
• highs 73-68 lows near 50.
• Partly cloudy with patchy AM fog, mostly cloudy with a slight (20%) chance of thunderstorms Friday afternoon, cloudy with a slight (20%) chance of showers late Friday night,
• Mostly cloudy with a (30%) chance of showers Saturday, then mostly cloudy with a slight (20%) chance of showers Saturday night through Monday.
• highs 60-63 lows near 52. (seasonal averages high 58 low 46)

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Forecast for the Cascades in Lane County:

• Sunny and a bit warmer today and Wednesday, clear tonight, mostly clear Wednesday night,
• Mostly sunny and a bit warmer Thursday, then mostly clear at night.
• free air freezing level 9,000 ft. today, 10,000 ft. tonight and Wednesday, then 12,000 ft. Wednesday night,  through Thursday night.
• highs 64-69 lows 36-42.
• Mostly sunny Friday AM, a mix of clouds and sun with a (30%) chance of showers and a slight (20%) chance of thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, mostly cloudy with a good (50%) chance of showers late Friday night,
• Mostly cloudy with a good (50%) chance of AM showers Saturday, a bit cooler with a good (50%) chance of showers with a slight (20%) chance of thunderstorms in the afternoon, a (40%) chance of evening showers with a slight (20%) chance of thunderstorms, a (40%) chance of showers late Saturday night,
• A mix of clouds and sun and a bit warmer with a (40%) chance of showers Sunday AM, a slight (20%) chance of afternoon showers, mostly cloudy with a slight (20%) chance of evening showers, a slight (20%) chance of showers late Sunday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Monday.
• free air freezing level 12,000 ft. Friday AM, snow level above 8,000 ft. Friday afternoon through Saturday afternoon, snow level  7,000 ft. Saturday night and Sunday, then 8,000 ft. Sunday night and Monday.
• highs 68-53 warming to 57 Monday lows 42-38.

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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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