Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/06/mother-nature-just-couldnt-wait-for-the-starting-gun/
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Here is my weekly weather quiz question. What is an “Evaporimeter?” 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 High Pressure Ridge (Shaded “Arch” shape with arrows) is slowly moving away with a low pressure trough (Shaded “U” shape with arrows) taking over. The graphics for days 1-3 show the frontal system that moves through Tuesday night and Wednesday. The graphics for days 3-7 show the frontal system moving through between Thursday night and Friday and another front pushing through the Pacific Northwest next Saturday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 39 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 8 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 38 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 and a bit cooler tonight,
- Partly cloudy Tuesday AM, mostly sunny in the afternoon, partly cloudy Tuesday night,
- Partly cloudy and a bit warmer Wednesday and at night,
- Then partly cloudy and a bit cooler Thursday and Thursday night.
- lows 43-47 highs 70-74 cooling to 72 Thursday.
- AM sun, a mix of clouds and sun with a good (50%) chance of rain and a bit warmer Friday afternoon, partly cloudy with a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of rain late Friday night and Saturday AM, a bit cooler with a good (50%) chance of showers Saturday afternoon and at night,
- Mostly cloudy and a bit warmer with a (40%) chance of showers Sunday and in the evening, partly cloudy with a slight (20%) chance of showers late Sunday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of showers Monday.
- highs 74-66 warming to 72 lows 49-45. (seasonal averages high 70 low 46)
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Eugene-Springfield Pollen Count
Grass………. Very High (585)
Trees………. Low (4)
Last Counted: 6/3/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Partly cloudy and a bit cooler tonight and Tuesday AM, mostly sunny and slightly cooler in the afternoon, mostly clear late at night,
- Sunny and a bit warmer Wednesday, mostly clear in the evening, partly cloudy at night and Thursday AM, sunny and slightly cooler in the afternoon, then mostly clear at night.
- lows 46-50 highs 73-78.
- AM sun, partly cloudy and a bit cooler with a slight (20%) chance of rain Friday afternoon, mostly cloudy and a bit cooler with a slight (20%) chance of rain Friday night and Saturday, a (40%) chance of showers Saturday night and Sunday (a bit warmer), a slight (20) chance of evening showers, just partly cloudy late at night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of showers Monday afternoon.
- highs 76-68 warming to 75 Monday lows 52-48. (seasonal averages high 74 low 50)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, partly cloudy late tonight,
- Mostly cloudy Tuesday AM, mostly sunny and slightly cooler in the afternoon, partly cloudy at night,
- Partly cloudy Wednesday and Wednesday night,
- Then partly cloudy Thursday and at night.
- lows 48-52 highs near 62.
- Partly cloudy Friday AM, with a (30%) chance of afternoon rain, mostly cloudy with evening rain likely (70%), a (40%) chance of showers Friday night,
- Mostly cloudy with a good (50%) chance of showers Saturday and Saturday night,
- Mostly cloudy with a (30%) chance of showers Sunday, then a slight (20%) chance of showers Sunday night and Monday.
- highs near 62 lows 52-49. (seasonal averages high 61 low 50)
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Forecast for the Cascades in Lane County:
- Partly cloudy tonight and Tuesday AM, mostly sunny and a bit warmer in the afternoon, partly cloudy Tuesday night,
- AM sun, partly cloudy and a bit warmer Wednesday and at night,
- Then partly cloudy and a bit cooler Thursday and Thursday night.
- free air freezing level 9,000 ft. rising to 10,000 ft. late tonight, 9,000 ft. rising to 10,000 ft. Tuesday afternoon, 12,000 ft. late Tuesday night, 11,000 ft. rising to 12,000 ft. Wednesday afternoon, 12,000 ft. falling to 11,000 ft. late Wednesday night, then 11,000 ft. Thursday and Thursday night.
- lows 35-42 cooling to 40 Thursday night highs 60-69 cooling to 63 Thursday.
- AM sun, partly cloudy and a bit warmer with a (40%) chance of rain Friday afternoon, partly cloudy with a a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of showers late Friday night and Saturday AM, a bit cooler with a good (50%) chance of showers in the afternoon and evening, a good (50%) chance of rain and snow showers late Saturday night,
- Mostly cloudy with a (40%) chance of AM rain and snow showers, a (40%) chance of showers and a bit warmer Sunday afternoon, a (30%) chance of evening showers, just partly cloudy at night,
- Then partly cloudy and a bit warmer Monday with a slight (20%) chance of afternoon showers.
- free air freezing level 10,000 ft. Friday AM, snow level above 8,000 ft. Friday afternoon and at night, 8,000 ft. falling to 7,000 ft. Saturday afternoon, 7,000 ft. falling to 5,500 ft. late Saturday night, 5,500 ft. rising to 7,000 ft. Sunday afternoon, 7,000 ft. Sunday evening, free air freezing level 10,000 ft. Sunday night and Monday AM, then snow level 7,000 ft. Monday afternoon.
- highs 64-52 warming back to 64 Monday lows 42-36.
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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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