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Check out my latest Eugene Daily News Weather Or Not Column Kites Need It And So Do Sail Boats.

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And don’t forget my latest feature story in the continuing series on service club organizations called Oregon Has Two Kinds Of “Elks” Four Legged and Two Legged.

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Here is my new weekly weather quiz question. What is a “Multiple Vortex Tornado?” 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) has been increasing onshore airflow bringing us rain.  A frontal system moved through the Pacific Northwest. Today will see showers and possible thunderstorms in the afternoon and evening. A frontal system will be moving through Oregon next Saturday, possibly bringing rain for the Prefontaine Classic.

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Advisories: None at This Time.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 15 in the Good category measuring Ozone at Amazon Park, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Eugene-Springfield Pollen Count:

Grass……….Moderate (5)

Trees……….Moderate (23)

Last Counted: 5/17/14

Data Courtesy of Oregon Allergy Associates.

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

• Mostly cloudy with AM showers likely (60%), a good (50%) chance of showers with a slight (20%) chance thunderstorms this afternoon (0.10 in. of rain possible), partly cloudy with a slight (20%) chance of showers and a slight (20%) chance of thunderstorms this evening (0.10 in. of rain possible), just mostly cloudy late tonight (under 0.10 in. of rain possible),
• A mix of clouds and sun Tuesday, partly cloudy in the evening, mostly cloudy Tuesday night and Wednesday AM, mostly sunny in the afternoon, then partly cloudy Wednesday night.
• highs 66-72 lows near 45.
• Partly cloudy Thursday, mostly cloudy at night,
• A mix of clouds and sun with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Saturday and Sunday with partly cloudy and a slight (20%) chance of showers Saturday night.
• highs 78-68 lows 50-47. (seasonal averages high 68 low 44).

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Forecast for the Umpqua Basin including Roseburg:

• AM showers likely (60%), showers likely (70%) with a slight (20%) of thunderstorms this afternoon and evening (0.10 in. of rain possible, small hail possible), becoming partly cloudy late tonight (under 0.10 in. of rain possible, small hail possible) through Wednesday night.
• highs 66-75 lows near 49.
• Partly cloudy Thursday and Thursday night,
• Mostly cloudy with a slight (20%) chance of showers Friday and at night,
• Then partly cloudy with a slight (20%) chance of showers Saturday and Sunday and mostly cloudy with a slight (20%) chance of showers Saturday night.
• highs 83-75 lows 54-50 (seasonal averages high 71 low 48)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• AM coastal showers, showers likely (70%) with a slight (20%) chance of thunderstorms this afternoon while inland AM showers likely (70%) with showers and a slight (20%) chance of afternoon and evening thunderstorms while AM showers likely (60%) inland with showers and a slight (20%) chance of inland thunderstorms in the afternoon (0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of coastal showers in the evening while a slight (20%) chance of thunderstorms inland, becoming partly cloudy late tonight (under 0.10 in. of rain possible, small hail possible) through Wednesday night.
• high 63-60 warming back to 63 Wednesday lows 50-52.
• Partly cloudy and warmer Thursday, mostly cloudy at night,
• Mostly cloudy with a slight (20%) chance of showers Friday and Friday night,
• Then partly cloudy with a slight (20%) chance of showers Saturday and Sunday and mostly cloudy with a slight (20%) chance of showers Saturday night.
• highs 72-67 lows 55-52. (seasonal averages high 59 low 48).

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Forecast for the Cascades in Lane County:

• AM rain and snow showers likely (70%) this AM, rain and snow showers likely (70%) with a slight (20%) chance of thunderstorms this afternoon and evening, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
• A mix of clouds and sun and warmer with a slight (20%) chance of showers Tuesday, just partly cloudy at night,
• Then just partly cloudy Wednesday and Wednesday night.
• snow level 5,000 ft. today, 7,000 ft. tonight, 8,000 ft. Tuesday, free air freezing level above 10,000 ft. Tuesday night, 11,000 ft. Wednesday, then 12,000 ft. at night.
• highs 52-63 lows 34-37.
•  Partly cloudy Thursday and Thursday night,
• A mix of clouds and sun with a slight (20%) chance of showers Friday, partly cloudy with a slight (20%) chance of showers Friday evening, mostly cloudy with a slight (20%) chance of showers at night,
• Then partly cloudy with a slight (20%) chance of showers Saturday through Sunday.
• free air freezing level 12,000 ft. Thursday and Thursday night, snow level above 8,000 ft. Friday through Sunday.
• highs 67-60 lows 36-42.

**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 Eugene Daily News.com.

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