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.

________________

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.

________________

Air Quality Index:

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

Oakridge: The Air Quality Index is 8 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).

________________

Advisories: None At This Time.

________________

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).

________________

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

• Mostly clear tonight,
• Partly cloudy with patchy AM fog, sunny and warmer Tuesday afternoon and Wednesday, clear Tuesday night, mostly clear Wednesday night,
• Mostly sunny and warm Thursday, then mostly clear Thursday night.
• lows 40-47 highs 78-82.
• Mostly sunny Friday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers 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,
• Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Sunday through Monday.
• highs 78-65 warming to near 70 Sunday and Monday lows 47-50 cooling back to 47 Sunday night. (seasonal averages high 66 low 43.)

_____

Eugene-Springfield Pollen Count:

Grass………. Low (3)

Trees………. Moderate (22)

Last Counted: 5/09/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Clear tonight,
• Sunny and a bit warmer Tuesday, Wednesday and Thursday, clear each night.
• lows 46-52 highs 84-89.
• 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 80-70 lows near 52. (seasonal averages high 69 low 46).

________________

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

• Clear tonight,
• Sunny and a bit warmer Tuesday, Wednesday and Thursday, clear each night.
• lows 47-50 highs 73-68.
• 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 slight (20%) chance of showers Saturday, then mostly cloudy with a slight (20%) chance of showers Saturday night through Monday.
• highs 63-60 lows near 52. (seasonal averages high 58 low 46)

________________

Forecast for the Cascades in Lane County:

• Mostly clear tonight,
• Sunny and a bit warmer Tuesday and Wednesday, clear Tuesday night, mostly clear Wednesday night,
• Mostly sunny and a bit warmer Thursday, then mostly clear at night.
• free air freezing level 8,000 ft. rising to 9,000 ft. late tonight, 9,000 ft. rising to 10,000 ft. Tuesday, 10,000 ft. rising to 11,000 ft. late Tuesday night and Wednesday, 11,000 ft. rising to 12,000 ft. late Wednesday night,  then 12,000 ft. Thursday and Thursday night.
• lows 33-42 cooling to 40 Thursday night highs 64-69.
• 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 good (50%) chance of showers 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, mostly cloudy with a (30%) chance of evening showers, a slight (20%) chance of showers late Sunday night,
• Then mostly cloudy with a slight (20%) chance of showers Monday.
• free air freezing level 12,000 ft. Friday AM, snow level above 8,000 ft. Friday afternoonThursday afternoon through Saturday, then 7,500 ft. Saturday night and Sunday.
• highs 68-53 warming to 57 Monday lows 42-38.

________________

**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.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________