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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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No winner this week. Here is my weekly weather quiz question for the last time. What is a “Multiple Vortex Tornado?” Here is the correct answer. A Multiple Vortex Tornado is a tornado in which two or more condensation funnels or debris clouds are present at the same time, often rotating about a common center or about each other. Multiple-vortex tornadoes can be especially damaging. 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 pressure area is headed our way.  A frontal system is approaching the Oregon coast bringing a significant chance of rain particularly for tonight and Monday.

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Advisories: None at This Time.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter at HWY 99, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 20 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 (132)

Trees……….Moderate (30)

Last Counted: 5/23/14

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:

• Becoming cloudy today with a good (50%) chance of rain this evening, rain tonight (0.10 in. of rain possible),
• Mostly cloudy with showers likely (70%) Monday AM (Memorial Day), a good (50%) chance of showers in the afternoon, partly cloudy with a  (30%) chance of evening showers, just mostly cloudy at night,
• AM clouds, a mix of clouds and sun with a slight (20%) chance of showers Tuesday afternoon, then a good (50%) chance of showers at night.
• highs 72-65 lows 52-43.
• Mostly cloudy with showers likely (60%) with a slight (20%) chance of thunderstorms Wednesday, a good (50%) chance of evening showers with a slight (20%) chance of thunderstorms, a slight (20%) chance of showers at night,
• A mix of clouds and sun with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers at night,
• A mix of clouds and sun Friday, partly cloudy at night,
• Then partly cloudy with a slight (20%) chance of showers Saturday.
• highs 62-72 lows 42-46. (seasonal averages high 69 low 45).

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Forecast for the Umpqua Basin including Roseburg:

• Becoming mostly cloudy today, mostly cloudy with a good (50%) chance of showers tonight,
• Mostly cloudy with a (30%) chance of showers Monday (Memorial Day), partly cloudy with a slight (20%) chance of showers late Monday night,
• Mostly cloudy with a slight (20%) chance of showers Tuesday, then a slight (20%) chance of showers Tuesday night.
• highs 75-69 lows 54-47.
•  Mostly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms Wednesday, partly cloudy with a slight (20%) chance of evening thunderstorms, a slight (20%) chance of showers at night,
• Mostly cloudy with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night and Friday, then mostly cloudy with a slight (20%) chance of showers Friday night and Saturday.
• highs 64-75 lows 45-48. (seasonal averages high 72 low 49)

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

• Mostly cloudy today, mostly cloudy with a (30%) chance of showers tonight,
• Mostly cloudy with a (30%) chance of showers Monday (Memorial Day), partly cloudy late at night,
• Mostly cloudy with a slight (20%) chance of showers Tuesday, then mostly cloudy with a (30%) chance of showers Tuesday night.
• highs 63-60 lows near 50.
• Mostly cloudy with a (40%) chance of showers and a slight (20%) chance of thunderstorms Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night through Thursday night,
• Mostly cloudy with a slight (20%) chance of showers Friday, partly cloudy with a slight chance of showers in the evening, mostly cloudy with a slight (20%) chance of showers at night and Saturday.
• highs 60-65 lows 48-53. (seasonal averages high 60 low 48).

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Forecast for the Cascades in Lane County:

• A mix of clouds and sun today, becoming mostly cloudy with a slight (20%) chance of showers this evening, rain likely (60%) late tonight,
• Mostly cloudy with AM showers likely (60%), a good (50%) chance of showers Monday afternoon (Memorial Day), mostly cloudy with a (30%) chance of evening showers, then a slight (20%) chance of showers at night,
• A mix of clouds and sun with a slight (20%) chance of showers Tuesday, a (30%) chance of evening showers, a (40%) chance of rain and snow showers late at night.
• free air freezing level 13,000 ft. today, snow level above 8,000 ft. falling to 8,000 ft. late tonight, 7,500 ft. Monday, 6,500 ft. Monday night, 7,000 ft. Tuesday, then 6,000 ft. falling to 5,000 ft. late Tuesday night.
• highs 63-52 lows 42-35.
• Mostly cloudy with rain and snow showers likely (60%) Wednesday and Wednesday evening, a slight (20%) chance of showers late Wednesday night,
• A mix of clouds and sun with a (30%) chance of rain and snow showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night through Friday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Saturday.
• snow level 4,500 ft. Wednesday, 6,000 ft. at night, 5,000 ft. Thursday, 7,500 ft. Thursday night and Friday, 8,000 ft. at night, then 7,500 ft. Saturday.
• highs 50-62 lows 35-38.

**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.

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

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