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Check out my latest Eugene Daily News Weather Or Not Column Why Should We Care?

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And don’t forget my latest feature story in the continuing series on service club organizations called This Moose Isn’t Named Bullwinkle.

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And my feature article about Contractors Electric called Is The Ground Wire The White One Or The Black One?

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Here is my new weekly weather quiz question. What does the acronym “NESDIS” represent? 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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A weak upper level low (Shaded “U” shape with blue arrows) is moving eastward just north of us. That means just enough marine moisture will sweep in to give us morning and late night clouds into the weekend.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 31 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 31 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories: None At This Time.

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

• Mostly clear tonight,
• Partly cloudy with patchy AM fog, partly cloudy and a bit warmer Friday afternoon, partly cloudy Friday night,
• AM clouds, partly cloudy and a bit cooler Saturday, then mostly clear at night,
• Partly cloudy Sunday AM, mostly sunny in the afternoon, then partly cloudy Sunday night.
• lows 40-43 cooling to 38 Sunday night highs 72-68 warming back to 72 Sunday.
• Partly cloudy Monday, mostly cloudy Monday night,
• Mostly cloudy and cooler Tuesday with a (30%) chance of rain, a (40%) chance of showers Tuesday night and Wednesday, a (30%) chance of showers Wednesday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Thursday.
• highs 68-60 warming to 63  lows 39-42 cooling back to 39 Thursday. (seasonal averages high 64 low 41)
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Eugene-Springfield Pollen Count

Trees: Moderate- 43

Grass: Moderate- 8

Reading as of: 4/30/15

Data courtesy of Oregon Allergy Associates

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Forecast for the Umpqua Basin including Roseburg:

• Clear tonight,
• Sunny and warmer Friday, mostly clear in the evening, mostly cloudy late at night and Saturday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy late Saturday night and Sunday AM, sunny in the afternoon, then mostly clear Sunday night.
• lows 43-46 cooling back to 43 Saturday night highs 76-73 warming to near 75 Sunday.
• Mostly sunny Monday, mostly cloudy with a slight (20%) chance of rain late Monday night,
• Mostly cloudy and cooler with a slight (20%) chance of showers Tuesday a (40%) chance of showers Tuesday through Wednesday night,
• Then mostly cloudy with a (30%) chance of showers Thursday.
• highs 72-62 warming to 67 Thursday lows 42-45 cooling to 43 Wednesday night. (seasonal averages high 66 low 44)

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

• Clear this evening, partly cloudy tonight,
• Mostly cloudy with patchy AM coastal fog, partly cloudy Friday afternoon and evening, mostly cloudy Friday night and Saturday AM, mostly sunny in the afternoon, mostly clear in the evening, partly cloudy at night,
• Mostly cloudy Sunday AM, sunny in the afternoon, then mostly clear Sunday night.
• lows 48-45 highs near 58.
• Mostly sunny Monday, mostly cloudy with a slight (20%) chance of rain late Monday night,
• Then mostly cloudy with a (30%) chance of showers Tuesday through Thursday.
• highs 56-58 lows 47-44. (seasonal averages high 57 low 45)

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Forecast for the Cascades in Lane County:

• Clear tonight,
• Mostly sunny and warmer Friday, mostly clear Friday night,
• Partly cloudy Saturday AM, mostly sunny but cooler Saturday, mostly clear at night,
• Partly cloudy Sunday, mostly sunny in the afternoon, then mostly clear  Sunday night.
• free air freezing level 11,000 ft. tonight through Friday night, then 10,000 ft. Saturday through Sunday night.
• lows 35-38 highs 67-58.
• Partly cloudy Monday and Monday night,
• Mostly cloudy with a slight (20%) chance of rain and snow Tuesday,  a (40%) chance of rain and snow showers Tuesday night through Wednesday night,
• Then a mix of clouds and sun with a (30%) chance of rain and snow showers Thursday.
• free air freezing level 10,000 ft. Monday, 9,000 ft. Monday night, snow level 7,000 ft. Tuesday and Tuesday night, 4,500 ft. Wednesday, then 5,000 ft. Wednesday night and Thursday.
• highs 58-45 warming to 48 Thursday lows 33-28.

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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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