Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/05/introducing-the-father-of-tornado-research/
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Here is my weekly weather quiz question. What is “Effective Terrestrial Radiation?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.
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An Upper Level Low Pressure Trough will be cooling us down a bit with more clouds. The graphics for days 3-7 show the next storm system that will approach and try to move through the Pacific Northwest late Friday and early Saturday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 15 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 32 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
HEALTH ADVISORIES:
- A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR DETROIT LAKE, LOCATED 46 MILES SE OF SALEM. THE LAKE SPANS BOTH LINN AND MARION COUNTIES. WATER MONITORING HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE AND THE TOXINS THEY PRODUCE IN DETROIT LAKE. PEOPLE SHOULD AVOID SWALLOWING WATER, OR INHALING WATER DROPLETS AS A RESULT OF HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED. ALSO KEEP PETS AWAY FROM THE WATER.
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy this evening, mostly cloudy late tonight and Tuesday AM, partly cloudy and a bit cooler in the afternoon and at night,
- Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late Wednesday night and Thursday AM, then partly cloudy and a bit cooler in the afternoon and late Thursday night.
- lows 46-42 warming back to 46 Wednesday night cooling to 44 Thursday night highs 68-64.
- A mix of clouds and sun and a bit warmer Friday, partly cloudy in the evening, mostly cloudy with a (30%) chance of showers late Friday night,
- A (30%) chance of AM showers, a mix of clouds and sun with a (20%) chance of showers Saturday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late at night,
- A mix of clouds and sun with a (20%) chance of showers Sunday, partly cloudy with a slight (20%) chance of showers Sunday night and Monday AM, then just partly cloudy in the afternoon.
- highs near 68 lows 48-46. (seasonal averages high 69 low 45)
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Eugene-Springfield Pollen Count
Grass………. High (151)
Trees………. Moderate (19)
Last Counted: 5/25/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Clear this evening, partly cloudy late tonight and Tuesday AM, mostly cloudy and a bit cooler Tuesday afternoon, partly cloudy at night,
- Partly cloudy and slightly cooler Wednesday and in the evening, mostly cloudy late Wednesday night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly and a bit cooler Thursday afternoon and Thursday night,
- lows 52-45 warming to 48 Wednesday night highs 70-66.
- Partly cloudy and a bit warmer Friday, partly cloudy with a slight (20%) chance of showers Friday night,
- A slight (20%) chance of showers Saturday, partly cloudy in the evening, becoming mostly cloudy with a slight (20%) chance of showers late at night,
- Mostly cloudy with a slight (20%) chance of showers Sunday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late at night and Monday.
- highs 73-70 lows near 48. (seasonal averages high 72 low 49)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Becoming mostly cloudy late tonight,
- Mostly cloudy and a bit cooler Tuesday, partly cloudy Tuesday night and Wednesday, mostly cloudy Wednesday night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Thursday afternoon and evening, mostly cloudy late at night,
- Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Friday and Friday night.
- lows 50-48 highs near 60.
- Partly cloudy with a slight (20%) chance of showers and a bit warmer Saturday and at night,
- Mostly cloudy with a slight (20%) chance of showers Sunday AM, mostly sunny and a bit cooler with a slight (20%) chance of showers in the afternoon, partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late Sunday night,
- Partly cloudy Monday.
- highs 62-60 warming back to 62 Monday lows near 50. (seasonal averages high 60 low 49)
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Forecast for the Cascades in Lane County:
- Partly cloudy tonight,
- Partly cloudy and a bit cooler Tuesday, becoming mostly cloudy in the evening, partly cloudy and colder late Tuesday night,
- Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late at night,
- Mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of rained snow showers and a bit cooler Thursday afternoon, then just partly cloudy Thursday night.
- free air freezing level 12,000 ft. tonight, 11,000 ft. Tuesday, 11,000 ft. falling to 10,000 ft. Tuesday night, 10,000 ft. Wednesday, 9,000 ft. falling to 8,000 ft. late Wednesday night, snow level 5,500 ft. Thursday, then 6,000 ft. Thursday night.
- lows 39-32 warming to 34 Thursday night highs 57-48.
- Partly cloudy and a bit warmer Friday, partly cloudy with a slight (20%) chance of showers late Friday night,
- A slight (20%) chance of AM showers, partly cloudy and a bit cooler Saturday afternoon, a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late at night,
- Partly cloudy with a slight (20%) chance of showers and a bit cooler Sunday, and in the evening, then just partly cloudy late Sunday night and Monday.
- free air freezing level 7,5000 ft. falling to 9,000 ft. Friday, Saturday AM, free air freezing level 10,000 ft. Saturday afternoon and evening, snow level 7,000 ft. Saturday night, 7,000 ft. falling to 6,000 ft. Sunday and in the evening, free air freezing level 6,000 ft. late Sunday night, then 6,000 ft. rising to 8,000 ft. Monday.
- highs 60-54 lows near 37.
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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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