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Check out my latest Eugene Daily News Weather Or Not Column They Have Their Own Radio Station?

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And don’t forget my latest feature story in the continuing series on service club organizations called “Assistance” Is Their First Name.

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Here is my new weekly weather quiz question. What is “a Hyetograph?”  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 trough of low pressure (Shaded “U” shape with blue arrows) has increased the onshore airflow bringing more clouds our way along with a frontal system that will move through tonight.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 17 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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Advisories:

• A HEALTH ADVISORY HAS BEEN ISSUED FOR THE PRESENCE OF BLUE-GREEN ALGAE IN WILLOW CREEK RESERVOIR IN MORROW COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT DRINK OR HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.
• THE HEALTH ADVISORIES ISSUED FOR THE PRESENCE OF BLUE-GREEN ALGAE IN CULLABY LAKE JUST OFF HWY 101 BETWEEN ASTORIA AND SEASIDE IN CLATSOP COUNTY OREGON, WALTERVILLE POND IN LANE COUNTY AND THE LOWER WILLAMETTE RIVER FROM THE SOUTH END OF ROSS ISLAND DOWNSTREAM TO THE SOUTH END OF SAUVIE ISLAND IN MULTNOMA COUNTY HAVE BEEN LIFTED.
• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE IN WICKIUP RESERVOIR IN DESCHUTES COUNTY, 40 MILES SW OF BEND, FOR TENMILE LAKES IN COOS COUNTY, AND AT DEVILS LAKE IN LINCOLN COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT DRINK OR HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.

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

• Becoming mostly cloudy with a (40%) chance of evening rain, rain late tonight (0.50 in. of rain possible) and Tuesday AM, showers in the afternoon (0.50 in. of rain possible), showers Tuesday night (0.25 in. of rain possible),
• Mostly cloudy with showers and a slight (20%) chance of thunderstorms Wednesday (0.25 in of rain possible), a good (50%) chance of showers Wednesday night (under 0.10 in. of rain possible),
• Mostly cloudy with a (40%) chance of AM showers, a slight (20%) showers Thursday afternoon, then cloudy with a (30%) chance of rain at night.
• lows 50-45 highs 63-60 warming to 66 Thursday night.
• Mostly cloudy with rain likely (70%) Friday, rain at night,
• Showers likely (60%) Saturday, a slight (20%) chance of showers Saturday night,
• A mix of clouds and sun with slight (20%) chance of showers Sunday, mostly cloudy with a good (50%) chance of rain at night,
• Then rain likely (70%) Monday.
• highs 64-68 cooling to 66 Monday lows near 48. (seasonal averages high 66 low 41).

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a good (50%) chance of rain this evening, rain late tonight (0.10 in. of rain possible),
• Rain and cooler Tuesday and in the evening (0.35 in. of rain possible), showers late Tuesday night (0.30 in. of rain possible),
• Showers with a slight (20%) chance of thunderstorms Wednesday AM, mostly cloudy with showers likely (60%) in the afternoon (under 0.10 in. of rain possible), a (40%) of showers Wednesday night,
• Mostly cloudy and warmer with a slight (20%) chance of showers Thursday, then mostly cloudy with a (40%) chance of rain Thursday night.
• lows 43-52 cooling to 48 Wednesday night highs 75-62.
• Rain likely (70%) Friday, rain Friday night,
• Mostly cloudy with a (40%) chance of showers Saturday, a slight (20%) chance of showers Saturday night,
• Partly cloudy with a slight (20%) chance of showers Sunday, then mostly cloudy with a (40%) chance of rain Sunday night and Monday.
• highs 66-74 lows near 52. (seasonal averages high 68 low 45)

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

• Mostly cloudy with rain likely (70%) this evening, rain late tonight (0.40 in. of rain possible) and Tuesday AM, rain with a slight (20%) chance of thunderstorms Tuesday afternoon and evening (0.60 in. of rain possible), showers and a slight (20%) chance of thunderstorms late at night (0.30 in. of rain possible),
• Mostly cloudy with showers and a slight (20%) chance of thunderstorms inland Wednesday AM and showers in the afternoon while showers and a slight (20%) chance of thunderstorms at the shore Wednesday (0.25 in. of rain possible), a good (50%) chance of showers at night (under 0.10 in. of rain possible),
• Cloudy with a (40%) chance of showers Thursday, mostly cloudy with a (40%) chance of rain Thursday night.
• lows 55-52 highs 66-57 warming to near 60 Wednesday.
• Rain likely (70%) Friday, rain Friday night,
• Mostly cloudy with a good (50%) chance of showers Saturday, a slight (20%) chance of showers at night,
• Partly cloudy and warmer with a slight (20%) chance of showers Sunday, cloudy with a good (50%) chance of rain at night.
• Then mostly cloudy with a (40%) chance of rain Monday.
• highs 63-66 cooling to 64 Sunday night lows 52-54. (seasonal averages high 62 low 46)

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Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of rain this evening, mostly cloudy with a good (50%) chance of rain late tonight (0.10 in. of rain possible) and breezy (Wind: SW 15-25 mph decreasing to SW 5-15 mph late tonight.),
• Mostly cloudy with rain likely (70%) Tuesday AM, showers in the afternoon and evening, rain and snow showers and colder Tuesday night (0.50 in. of rain possible, 1 in. of snow possible),
• Mostly cloudy with rain and snow showers Wednesday, a good (50%) chance of rain and snow showers at night,
• Mostly cloudy with a slight (20%) chance of showers Thursday, then a slight (20%) chance of rain Thursday night.
• snow level above 8,000 ft. tonight, 8,000 ft. Tuesday afternoon, 7,000 ft. falling to 6,000 ft. Tuesday night, 5,500 ft. Wednesday and Wednesday night, 6,500 ft. Thursday, then 8,000 ft. Thursday night.
• lows 40-33 highs 52-46 warming to 56 Thursday.
• Mostly cloudy with a good (50%) chance of rain Friday, rain at night,
• Mostly cloudy with a good (50%) chance of showers Saturday, a slight (20%) chance of showers Saturday night,
• Partly cloudy with a slight (20%) chance of showers Sunday, mostly cloudy with a slight (20%) chance of rain at night,
• Then a mix of clouds and sun with a good (50%) chance of rain Monday.
• snow level above 8,000 ft. Friday through Monday.
• highs 56-62 lows 36-40.

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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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