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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 weekly weather quiz question for the last time. What is an “acre-foot?” Here is the correct answer. An Acre-foot is the amount of water required to cover one acre to a depth of one foot. An acre-foot equals 326,851 gallons, or 43,560 cubic feet. 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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A high pressure ridge (Shaded “Arch” shape in blue arrows) is getting weaker. Low pressure will move up at us from the south bring enough moisture for a chance of thunderstorms then we warm up again.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 29 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 39 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 28 in the Good  category measuring Particulate Matter.

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

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 4 PM MONDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING AND GUSTY OUTFLOW FOR THE LOWER COLUMBIA BASIN OF OREGON, THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS, AND  THE CENTRAL BLUE MOUNTAINS OF OREGON.
• A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TODAY FOR DRY THUNDERSTORMS AND ABUNDANT LIGHTNING AND GUSTY OUTFLOW WINDS FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES -DESCHUTES NATIONAL FOREST – MINUS SISTERS RANGER DISTRICT – CENTRAL MOUNTAINS OF OREGON.
• A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TODAY FOR THE UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES, THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST, SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE COUNTY AND WESTERN HARNEY COUNTY.
• A HEALTH ADVISORY HAS BEEN ISSUED FOR THE PRESENCE OF BLUE-GREEN ALGAE TOXINS IN LAKE BILLY CHINOOK RESERVIOR IN JEFFERSON. SWALLOWING OR INHALING WATER DROPLETS, AS WELL AS SKIN CONTACT WITH WATER SHOULD BE AVOIDED. DRINKING WATER DIRECTLY FROM LAKE BILLY CHINOOK RESERVOIR IS ESPECIALLY DANGEROUS. UNTIL THE ADVISORY IS LIFTED THERE SHOULD BE NO HUMAN OR ANIMAL CONTACT WITH THE WATER.

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

• Mostly cloudy with a (30%) chance of scattered showers and thunderstorms this evening, partly cloudy late at night,
• Mostly cloudy Monday AM, mostly sunny in the afternoon, mostly clear Monday night,
• Sunny and warmer Tuesday, clear at night,
• Mostly sunny and warmer Wednesday, then mostly clear Wednesday night.
• lows 60-58 warming back to 60 Wednesday night highs 88-96.
• Mostly sunny Thursday (hot) and Friday (cooler), partly cloudy both nights,
• Partly cloudy Saturday AM, mostly sunny in the afternoon (Independence Day), then partly cloudy Saturday night and Sunday.
• highs 97-90 warming to 92 Sunday lows 62-58. (seasonal averages high 77 low 50)

Eugene/Springfield Pollen Count:

Trees: Low- 8

Grass: High- 172

Reading as of: 6/26/15

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a slight (20%) chance of thunderstorms this evening, just partly cloudy late tonight,
• Mostly cloudy Monday AM, sunny in the afternoon and Tuesday (warmer), mostly clear both nights,
• Mostly sunny and warmer Wednesday, then mostly clear Wednesday night.
• lows 62-60 warming to 66 Wednesday night highs 90-100.
• Sunny Thursday AM, partly cloudy and warmer in the afternoon and evening, mostly clear at night,
• Mostly sunny and hot with a slight (20%) chance of thunderstorms Friday, mostly clear with a slight (20%) chance of thunderstorms Friday night,
• Sunny Saturday AM, partly cloudy and a bit cooler in the afternoon (Independence Day), mostly clear at night,
• Then mostly sunny and a bit cooler Sunday.
• highs 104-96 lows 66-62. (seasonal averages high 80 low 54)

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

• Mostly cloudy this evening, partly cloudy late tonight,
• Mostly cloudy Monday AM, sunny in the afternoon, mostly clear in the evening at the beaches and mostly cloudy late at night while mostly clear inland Monday night,
• Partly cloudy in the AM, sunny Tuesday afternoon, mostly clear at night,
• Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
• lows 55-52 warming back to 55 Wednesday night highs 62-65.
•  Mostly sunny Thursday, Friday and Saturday (Independence Day), mostly clear each night,
• Partly cloudy Friday and Friday night,
• Then sunny Sunday.
• highs 68-70 cooling to 66 Saturday warming to 68 Sunday lows near 54. (seasonal averages high 63 low 52)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with a (40%) chance of scattered showers and thunderstorms this evening, partly cloudy with a (40%) chance of isolated showers and thunderstorms late tonight (under 0.10 in. of rain possible, more in storms),
• Partly cloudy with a slight (20%) chance of showers and thunderstorms Monday, just partly cloudy Monday night,
• Sunny Tuesday, clear at night,
• Mostly sunny Wednesday, then partly cloudy Wednesday night.
• snow level above 8,000 ft. tonight and Monday, then free air freezing level 16,000 ft. Monday night through Wednesday night.
• lows 56-53 warming to 59 Wednesday night highs 78-90.
• Mostly sunny Thursday and Friday, partly cloudy each night,
• Partly cloudy Saturday (Independence Day) through Sunday.
• free air freezing level 16,000 ft. Thursday through Sunday.
• highs 88-82 lows 62-56 warming to 58 Saturday night.

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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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