Here is my weekly weather quiz question for the last time. What is “SKYWARN?” Here is the correct answer. SKYWARN is a nationwide network of volunteer weather spotters who report to and are trained by the National Weather Service. These spotters report many forms of significant or severe weather such as Severe Thunderstorms, Tornadoes, Hail, Heavy Snow, or Flooding. Contact your local National Weather Service Forecast Office to learn about SKYWARN activities in your area. I’ll have a new weekly weather quiz question for you starting Monday. 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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An upper level low (Shaded “U” shape with blue arrows) returned and pushed a frontal system through the Pacific Northwest, thus returning our rain chances. Over the rest of the weekend the chance of rain remains and even increases. A cold front will move in Wednesday keeping the shower chances alive.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 23 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 22 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:

• Mostly cloudy with a (40%) chance of showers this AM, showers likely (70%) and a bit cooler this afternoon (0.10 in. of rain possible), showers likely (70%) tonight (0.10 in. of rain possible),
• Mostly cloudy and a bit warmer Monday with a good (50%) chance of showers (0.10 in. of rain possible), a (30%) chance of showers in the evening, a slight (20%) chance of showers Monday night ( under 0.10 in. of rain possible) through Tuesday evening, then just mostly cloudy Tuesday night.
• highs 60-67 lows 50-47.
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Wednesday afternoon through Thursday evening, a slight (20%) of showers Thursday night,
• A slight (20%) chance of showers Friday and in the evening, a (30%) chance of showers at night,
• A mix of clouds and sun with a (30%) chance of AM showers, then a slight (20%) chance of showers Saturday afternoon.
• highs 64-66 lows near 45. (seasonal averages high 68 low 44.)

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Eugene-Springfield Pollen Count:

Grass………. Moderate  (9)

Trees……….  Low (14)

Last Counted: 5/20/16

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Mostly cloudy with a (40%) chance of showers and a bit cooler today (under 0.10 in. of rain possible), a good (50%) chance of showers tonight (under 0.10 in. of rain possible),
• Cloudy with a good (50%) chance of showers Monday (0.15 in. of rain possible), a (30%) chance of showers late Monday night (under 0.10 in. of rain possible),
• Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday and Tuesday night.
• highs 63-67 lows near 50.
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday through Friday, then mostly cloudy with a (30%) chance of showers Friday night and Saturday.
• highs 69-64 warming to 68 Friday and Saturday lows near 48. (seasonal averages high 71 low 48).

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

• Cloudy and a bit cooler with a (30%) chance of showers today (under 0.10 in. of rain possible), a (40%) chance of evening coastal showers with coastal showers likely (70%) late tonight while a good (50%) chance of inland showers tonight (0.25 in. of rain possible),
• Cloudy Monday with a good (50%) chance of showers (0.25 in. of rain possible), a slight (20%) chance of evening showers while a (30%) chance of inland showers Monday night (under 0.10 in. of rain possible) ,
• Then mostly cloudy with a slight (20%) chance of showers Tuesday and Tuesday night.
• highs 59-62 lows near 50.
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Wednesday through Friday (a bit warmer Thursday and Friday) mostly cloudy with a (30%) chance of showers Friday night and Saturday.
• highs near 57-60 lows near 48. (seasonal averages high 60 low 48)

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Forecast for the Cascades in Lane County:

• Cloudy with a (40%) chance of AM rain and snow showers, rain and snow showers this afternoon (0.10 in. of rain possible), showers tonight (0.25 in. of rain possible),
• Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Monday afternoon, a good (50%) chance of showers Monday night,
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday, a (30%) chance of evening showers, then a slight (20%) chance of showers late Tuesday night.
• snow level 5,500 ft. today, 6,000 ft. tonight and Monday, 6,500 ft. Monday night and Tuesday, then 7,000 ft. Tuesday night.
• highs 45-52 lows near 36.
• A mix of clouds and sun with a slight (20%) chance of showers  a bit cooler and Wednesday and Thursday (a bit warmer Thursday), mostly cloudy with a slight (20%) chance of showers Wednesday night, partly cloudy with a slight (20%) chance of showers Thursday evening, mostly cloudy with a slight (20%) chance of showers Thursday night,
• Mostly cloudy with a slight (20%) chance of showers Friday AM, a (30%) chance of showers in the afternoon, a (40%) chance of showers at night,
• Then a mix of clouds and sun with a (40%) chance of showers Saturday.
• snow level 7,000 ft. Wednesday and Wednesday night, 6,000 ft. Thursday through Friday, 6,500 ft. Friday night, then 7,000 ft. Saturday.
• highs near 50 lows near 35.

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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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