Here is my weekly weather quiz question. What is “SKYWARN?” 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 Low (Shaded “U” shape with blue arrows) moves toward us bringing an increase in marine airflow from the West and that means a change in our weather. Here comes a frontal system to add showers into the mix. It’s back to sunshine and no rain starting Saturday as High Pressure takes over.

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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 11 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 22 in the Good category measuring Particulate Matter.

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

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Advisories: None At This Time.

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

• Mostly sunny this afternoon, more clouds with a good (40%) chance of showers late tonight (under 0.10 in. of rain possible),
• Mostly cloudy and a bit cooler with showers Thursday (0.10 in. of rain possible), a good (50%) chance of showers Thursday night,
• Mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of showers Friday afternoon, partly cloudy with a slight (10%) chance of showers Friday night.
• highs 77-65 warming to 72 Friday lows 54-49.
• Partly cloudy Saturday AM, mostly sunny and a bit warmer in the afternoon, partly cloudy in the evening, clear late at night,
• Sunny and a bit warmer Sunday, clear in the evening, partly cloudy late Sunday night,
• AM clouds and sun, then sunny Monday and Tuesday, clear Monday.
• highs 80-85 lows 52-55 cooling back to 52 Monday night. (seasonal averages high 75 low 49)

 

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Eugene-Springfield Pollen Count:

Grass………. High (112)

Trees………. Moderate (36)

Last Counted: 6/21/16

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• AM clouds, sunny and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy with a good (50%) chance of showers late tonight,
• A (40%) chance of showers and a bit warmer Thursday and Thursday night,
• Mostly cloudy Friday AM, sunny and a bit warmer in the afternoon, then mostly clear Friday night.
• highs 80-67 warming to 74 Friday lows 55-52.
• Mostly sunny and warmer Saturday and Sunday (a bit cooler), mostly clear Saturday night, partly cloudy Sunday night and Monday (a bit cooler), clear Monday night,
• Then sunny Tuesday.
• highs 83-85 cooling back to 83 Monday lows 57-60. (seasonal averages high 78 low 53)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Partly cloudy this afternoon, mostly cloudy with a good (50%) chance of coastal showers tonight while a good (50%) chance of inland showers late tonight,
• AM coastal showers with showers likely (70%) in the afternoon, while inland showers Thursday, mostly cloudy with a (40%) chance of showers Thursday night.
• Mostly cloudy Friday AM, sunny in the afternoon and in the evening, mostly clear late Friday night.
• highs 64-62 warming back to 64 Thursday lows 55-52.
• Mostly sunny Saturday, partly cloudy at night through Monday, mostly clear Monday night,
• Then mostly sunny Tuesday.
• highs 66-63 warming to 65 Monday cooling to 63 Tuesday lows 53-55. (seasonal averages high 62 low 51)

 

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Forecast for the Cascades in Lane County:

• Mostly sunny and a bit cooler this afternoon, partly cloudy with a slight (20%) chance of showers late tonight,
• Mostly cloudy with AM showers, a bit cooler with showers becoming likely (70%) Thursday afternoon, showers Thursday night,
• Mostly cloudy with a slight (20%) chance of showers Friday, partly cloudy at night.
• free air freezing level 12,000 ft. today, snow level above 8,000 ft. tonight and Thursday, 7,500 ft. Thursday night, 6,000 ft. rising to rising to 7,000 ft. Friday, then free air freezing level 9,000 ft. rising to 11,000 ft. Friday night.
• highs 70-54 warming to 58 Friday lows 42-37.
• Mostly sunny and a bit warmer Saturday, partly cloudy in the evening, clear late Saturday night,
• Mostly sunny and a bit warmer Sunday and Monday, partly cloudy Sunday night, clear Monday night,
• Then sunny Tuesday.
• free air freezing level 12,000 ft. Saturday, 13,000 ft. Saturday night through Sunday night, then 14,000 ft. Monday through Tuesday.
• highs 70-74 lows 43-47.

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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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