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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 high pressure ridge (Shaded “Arch” shape) is moving closer to the Pacific Northwest. As the high moves closer to us the chance of showers returns Friday because of an increase in onshore airflow. A frontal systemwill be moving into Oregon by Sunday, possibly bringing a little chance of rain out ahead of it for Saturday and again on Sunday.

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Advisories: None at This Time.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 30 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 14 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……….High (84)

Trees……….Moderate (17)

Last Counted: 5/21/14

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 sunny today, partly cloudy tonight,
• Mostly cloudy with a slight (20%) chance of showers Friday and Friday night,
• A mix of clouds and sun Saturday, then partly cloudy at night.
• highs 80-70 lows 52-45.
• Mostly cloudy with a slight (20%) chance of showers Sunday afternoon, mostly cloudy with a good (50%) chance of showers Sunday night,
• A mix of clouds and sun with a (30%) chance of showers Monday (Memorial Day) at night,
• Mostly cloudy with a (30%) chance of showers Tuesday, a slight (20%) chance of showers at night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Wednesday.
• highs 70-65 warming to 68 Monday lows 49-45. (seasonal averages high 68 low 44).

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy today, mostly cloudy tonight,
• Mostly cloudy with a slight (20%) chance of showers Friday and at night,
• Mostly cloudy with a slight (20%) chance of showers Saturday AM, then partly cloudy in the afternoon and Saturday night.
• highs 85-76 lows 54-49.
• Mostly cloudy Sunday AM, mostly cloudy with a slight (20%) chance of showers in the afternoon, a (40%) chance of showers at night,
• A (30%) chance of showers Monday (Memorial Day), a slight (20%) chance of showers at night,
• Then mostly cloudy with a slight (20%) chance of showers Tuesday through Wednesday.
• highs 80-72 lows 50-47 (seasonal averages high 71 low 48)

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

• Partly cloudy today and this evening, mostly cloudy late tonight,
• Mostly cloudy with a slight (20%) chance of showers Friday AM, mostly cloudy Friday night with a slight (20%) chance of showers late,
• Mostly cloudy Saturday, partly cloudy in the evening, mostly cloudy late Saturday night.
• highs 69-66 lows 57-53.
• A (40%) chance of showers Sunday afternoon and at night,
• Mostly cloudy with a (30%) chance of showers Monday (Memorial Day), a slight (20%) chance of showers Monday night and Tuesday, then partly cloudy with a slight (20%) chance of showers Tuesday night and Wednesday.
• highs 66-64 lows 54-49. (seasonal averages high 59 low 48).

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Forecast for the Cascades in Lane County:

• Becoming partly cloudy with a slight (20%) chance of showers late this afternoon and evening, mostly cloudy late tonight,
• Cloudy with a slight (20%) chance of showers Friday AM, a (30%) chance of showers in  the afternoon, mostly cloudy with a (40%) chance of showers Friday night,
• Then partly cloudy Saturday and at night.
• snow level above 8,000 ft. today through Friday night, free air freezing level 9,000 ft. Saturday and Saturday night.
• highs 70-58 lows 44-36.
• A mix of clouds and sun with a slight (20%) chance of showers Sunday, mostly cloudy with a good (50%) of showers at night,
• A mix of clouds and sun with a good (50%) chance of showers Monday (Memorial Day), partly cloudy with a slight (20%) chance of showers Monday night,
• Partly cloudy with a (30%) chance of showers Tuesday, then partly cloudy with a slight (20%) chance of showers at night and Wednesday.
• snow level above 8,000 ft. Sunday and Sunday night, 7,500 ft. Monday, 7,000 ft. at night, 6,500 ft. Tuesday, 7,000 ft. Tuesday night, then 6,500 ft. Wednesday.
• highs 60-48 warming to 56 Wednesday lows 39-32 warming to 35 Wednesday night.

**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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