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Check out my latest Eugene Daily News Weather Or Not Column I Had To Decide “Weather Or Not” For My Future.

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And don’t forget my latest feature story in the continuing series on service club organizations called “Buffalo Isn’t Only Known For Its Wings.”

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Here is my new weekly weather quiz question. What are “Sastrugi?” 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 surface thermal trough of low pressure (Dashed line along the coast) along with an upper level low (“U” shape with blue arrows) slide into Oregon bringing a chance of dry thunderstorms for this evening. Another upper level low (Shaded “U” shape with blue arrows) will move in mid week adding to a cooling trend and bringing a chance of showers.

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR DRY AND UNSTABLE CONDITIONS AND CRITICALLY DRY FUELS WITH A THREAT OF DRY THUNDERSTORMS FOR THE CENTRAL OREGON COAST RANGE, THE CENTRAL OREGON CASCADES IN LANE COUNTY, THE CASCADES FOOTHILLS IN LANE COUNTY, THE NORTH OREGON COAST RANGE, THE ENTIRE WILLAMETTE VALLEY, THE NORTH OREGON CASCADES, AND THE NORTH OREGON CASCADE FOOTHILLS. THIS DOES NOT INCLUDE THE COASTAL AREAS.
• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE FOR WALTERVILLE POND IN LANE COUNTY AND AT DEVILS LAKE IN LINCOLN COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 70 in the Moderate category measuring Particulate Matter at Amazon Park, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 73 in the Moderate category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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

• Partly cloudy with areas of smoke and a slight (20%) chance of dry thunderstorms this  evening, mostly cloudy late tonight,
• Cloudy in the AM, partly cloudy and a bit cooler Tuesday afternoon and evening, just mostly cloudy late Tuesday night,
• Mostly cloudy with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with a (40%) chance of showers at night,
• Mostly cloudy with a (40%) chance of showers Thursday, then a slight (20%) chance of showers Thursday night.
• lows near 55 highs near 80.
• A mix of clouds and sun Friday with a slight (20%) chance of showers, partly cloudy with a slight (20%) chance of evening showers, partly cloudy late Friday night and Saturday AM, mostly sunny in the afternoon, partly cloudy at night,
• Then mostly sunny Sunday and Monday mostly clear Sunday night.
• highs 78-83 lows 54-52. (seasonal averages high 77 low 47).

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy with a slight (20%) chance of thunderstorms this evening, mostly clear with patchy smoke late tonight,
• AM clouds with patchy smoke, partly cloudy with patchy smoke Tuesday afternoon and evening, mostly cloudy with patchy smoke late Tuesday night,
• Mostly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms Wednesday afternoon and evening,  mostly cloudy with a (40%) chance of showers late Wednesday night,
• Mostly cloudy with a (30%) chance of showers Thursday, then a slight chance of showers in the evening and mostly cloudy Thursday night.
• lows 54-58 cooling to 55 Thursday night highs 85-79.
• Mostly cloudy Friday AM, sunny and warmer in the afternoon, mostly clear at night,
• Mostly sunny and warmer Saturday and Sunday, mostly clear both nights,
• Then partly cloudy Monday AM and sunny in the afternoon.
• highs 84-92 cooling to 88 Monday lows near 56. (seasonal averages high 79 low 52)

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

• Partly cloudy this evening, mostly cloudy with a slight (20%) chance of thunderstorms early this evening, mostly cloudy late tonight,
• Mostly cloudy Tuesday with areas of AM coastal fog, mostly cloudy late at night,
• Mostly cloudy with a (40%) chance of showers Wednesday afternoon, evening coastal showers likely (60%) and a (40%) chance of showers late at night while a good (50%) chance of inland showers Wednesday night,
• Cloudy with a good (50%) chance of showers Thursday and in the evening, then mostly late cloudy Thursday night.
• lows 54-57 highs 65-68.
• Partly cloudy Friday and at night,
• Mostly sunny Saturday, mostly clear at night,
• Partly cloudy Sunday AM, sunny in the afternoon, mostly clear at night,
• Then mostly sunny Monday.
• highs 66-70 cooling to 63 Sunday and warming to 67 Monday lows near 54. (seasonal averages high 65 low 50)

Forecast for the Cascades in Lane County:

• Partly cloudy with patchy smoke and a slight (20%) chance of showers and thunderstorms this evening, partly cloudy late tonight and Tuesday AM, mostly sunny and cooler in the afternoon, partly cloudy in the evening, mostly cloudy late at night,
• Mostly cloudy and cooler with a slight (20%) chance of showers and thunderstorms Wednesday afternoon, mostly cloudy with a (40%) chance of showers and a slight (20%) chance of thunderstorms in the evening, a (40%) chance of showers late Wednesday night,
• Mostly cloudy and cooler with a (40%) chance of showers Thursday, a slight (20%) chance of showers in the evening, partly cloudy with a slight (20%) chance of showers late Thursday night.
• snow level above 8,000 ft. this evening, free air freezing level 14,000 ft. Tuesday and Tuesday night, then snow level above 8,000 ft. Wednesday through Thursday night.
• lows 48-46 highs 70-.
• Partly cloudy with a slight (20%) chance of showers Friday and in the evening, partly cloudy Friday night and Saturday AM, mostly sunny Saturday afternoon, Sunday, and Monday (a bit cooler), mostly clear Saturday night and partly cloudy Sunday night.
• snow level above 8,000 ft. Thursday through Friday night, free air freezing level 15,000 ft. Saturday and Saturday night, then 14,000 ft. Sunday through Monday.
• highs 70-76 cooling to 72 Monday lows 42-48.

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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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