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Check out my latest Eugene Daily News Weather Or Not Column Who Came Up With That “Cool Idea?”

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And don’t forget my latest feature story in the continuing series on service club organizations called Who Are The Soroptimists And What Are They Doing?

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Here is my new weekly weather quiz question. What is a “parhelion?”  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 trough of low pressure (“U” shape in blue arrows) is going to give us a chance of showers continuing through Wednesday. Then look for a serious warm-up.

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 5 PM WEDNESDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST MINUS -SISTERS RANGER DISTRICT.
• A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM WEDNESDAY FOR ABUNDANT LIGHTNING FOR THE EAST SLOPES OF THE OF THE NORTHERN OREGON CASCADES, THE LOWER COLUMBIA BASIN OF OREGON, THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS, THE CENTRAL BLUE MOUNTAINS, AND THE WALLOWA DISTRICT.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 26 in the Good category measuring Ozone at Delight Valley School, Saginaw. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 16 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……….Low (3)

Trees……….Absent (0)

Last Counted: 7/21/14

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:

• Mostly cloudy with (30%) chance of isolated showers through late this evening, a (30%) chance of showers and a slight (20%) chance of thunderstorms late tonight (0.10 in. of rain possible, more in storms),
• Mostly cloudy with showers likely (70%) and a slight (20%) chance of thunderstorms Wednesday AM, showers likely (70%) and a slight (20%) chance of thunderstorms in the afternoon (0.25 in. of rain possible, more in storms, gusty winds, small hail), partly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms in the evening, a slight (20%) chance of showers late Wednesday night,
• AM clouds and sun, mostly sunny Thursday afternoon, then mostly clear at night.
• lows 59-49 rising to 56 Friday night highs 74-87.
• Mostly sunny Friday, Saturday, and Sunday, mostly clear at night,
• Then sunny Monday and Tuesday and clear Monday night.
• highs 87-92 cooling to 89 Monday lows 55-58. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a (30%) chance of scattered showers and isolated thunderstorms this evening, a slight (20%) chance of showers late tonight,
• Mostly cloudy with showers and a slight (20%) chance of thunderstorms Wednesday AM, showers likely (60%) with a slight (20%) chance of thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy  late Wednesday night,
• Partly cloudy in the AM, sunny and warmer Thursday afternoon, clear at night,
• Sunny Friday, then clear at night.
• lows 58-52 warming to 55 Friday night highs 80-73 warming to 82 Thursday.
• Sunny Saturday, mostly clear at night,
• Mostly sunny Sunday and Monday, mostly clear at night,
• Then sunny Tuesday.
• highs 90-95 cooling to 89 Tuesday lows near 60. (seasonal averages high 86 low 57)

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

• Mostly cloudy with a (30%) chance of scattered showers tonight,
• Mostly cloudy with AM showers likely (60%), a (30%) chance of showers Wednesday afternoon, a slight (20%) chance of evening coastal showers, patchy fog late Wednesday night,
• Partly cloudy with patchy AM coastal fog, sunny Thursday afternoon, then mostly clear at night
• lows 56-53 warming back to 56 Thursday night highs near 63-65
• Sunny Friday, Saturday, Sunday, Monday, and Tuesday, mostly clear each night.
• highs 66-63 lows near 56. (seasonal averages high 65 low 53).

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Forecast for the Cascades in Lane County:

• Mostly cloudy with showers likely (60%) and a chance of thunderstorms this evening, a good (50%) chance of showers and a slight (20%) thunderstorms late tonight (0.10 in. of rain possible, more in storms, gusty winds, small hail),
• Mostly cloudy with showers likely (60%) and a slight (20%) chance of thunderstorms Wednesday AM, a good (50%) chance of showers and a slight (20%) chance of thunderstorms Wednesday afternoon and in the evening, a good (50%) chance of showers and colder late at night,
• A mix of clouds and sun with a slight (20%) chance of showers Thursday AM, mostly sunny in the afternoon, mostly clear Thursday night,
• Mostly sunny Friday, then mostly clear Friday night.
• snow level above 8,000 ft. tonight and Wednesday, 7,000 ft. Wednesday night and Thursday, free air freezing level 13,000 ft. Thursday night and Friday, then 15,000 ft. Friday night.
• lows 50-40 warming to 49 Friday night highs 60-77.
• Mostly sunny Saturday, clear at night,
• Then sunny Sunday, Monday, and Tuesday, clear each night.
• lows 50-40 warming to 45 Tuesday night highs 60-77.
• free air freezing level 16,000 ft. Saturday and Saturday night, 15,000 ft. Sunday, 16,000 ft. Sunday night, then 15,000 ft. Monday.
• highs 83-78 lows 52-54.

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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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