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Check out my latest Eugene Daily News Weather Or Not Column A Perfect Day In Every Way.

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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 “macroburst?”  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 high pressure ridge (Shaded “Arch” shape with blue arrows) has been keeping us in sunshine and warm temperatures. An upper level trough of low pressure  (Shaded “U” shape with blue arrows) will bring more onshore flow and cool us down a bit as we approach mid-week.

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Advisories:

• A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TUESDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 28 in the Good category measuring Ozone, at Se,ight Vally School, Saginaw. 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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Eugene-Springfield Pollen Count:

Grass……….High (61)

Trees……….Low (9)

Last Counted: 7/7/14

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:

• Clear tonight,
• Sunny and not quite as hot Tuesday, mostly clear at night,
• Mostly sunny and a bit cooler Wednesday, clear at night,
• Sunny Thursday, then mostly clear at night.
• lows 58-53 warming to 55 Thursday night highs 90-87.
• Mostly sunny Friday through Monday, mostly clear at night.
• highs 90-89 lows 57-60. (seasonal averages high 81 low 51)

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Forecast for the Umpqua Basin including Roseburg:

• Mostly clear this evening, partly cloudy with a slight (20%) chance of thunderstorms late tonight,
• Partly cloudy with a slight (20%) chance of thunderstorms Tuesday and in the evening, mostly cloudy late Tuesday night,
• Partly cloudy Wednesday AM, mostly sunny Wednesday afternoon, mostly clear at night,
• Mostly sunny Thursday, then mostly clear at night.
• lows 62-55 highs 92-88.
• Mostly sunny Friday, Saturday, and Sunday, mostly clear each night,
• Then sunny Monday.
• highs 92-94 cooling to 92 Sunday and Monday lows near 58. (seasonal averages high 83 low 56)

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

• Partly cloudy this evening and mostly cloudy with a slight (20%) chance of thunderstorms late tonight while areas of patchy fog and a slight (20%) chance of coastal drizzle late tonight,
• Mostly cloudy Tuesday AM with areas of coastal fog and patchy drizzle, partly cloudy in the afternoon and evening, mostly cloudy late at night,
• AM clouds, sunny Wednesday afternoon, partly cloudy in the evening, mostly cloudy Wednesday night,
• Then partly cloudy Thursday and at night.
• lows 60-55 highs 62-64.
• Partly cloudy Friday and Friday night,
• Mostly cloudy Saturday AM, sunny in the afternoon, mostly clear Saturday night,
• Then mostly sunny Sunday and Monday with mostly clear nights.
• highs near 65 lows near 58. (seasonal averages high 64 low 52).

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Forecast for the Cascades in Lane County:

• Partly cloudy this evening, clear tonight,
• Sunny Tuesday AM, a mix of clouds and sun with a slight (20%) chance of showers and thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late at night,
• Mostly sunny Wednesday, mostly clear Wednesday night,
• Sunny Thursday, then mostly clear at night.
• free air freezing level 16,000 ft. tonight, snow level above 8,000 ft. Tuesday and Tuesday night, free air freezing level 16,000 ft. Wednesday through Thursday, then 15,000 ft. Thursday night.
• lows 52-50 highs 78-75.
• Mostly sunny Friday AM, partly cloudy with a slight (20%) chance of showers and thunderstorms in the afternoon and evening, a slight (20%) chance of showers late at night,
• Partly cloudy with a slight (20%) chance of showers Saturday and in evening, partly cloudy late at night,
• Mostly sunny Sunday AM, partly cloudy with a slight (20%) chance of afternoon and evening showers, mostly clear late Sunday night,
• Then just mostly sunny Monday.
• snow level above 8,000 ft. Friday through Sunday night, then free air freezing level 15,000 ft. Monday.
• highs 77-80 cooling to lows near 55.

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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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