Jun
21.
An Upper Level Low Pressure Trough (“U” shape) is moving slowly southward through the Pacific Northwest. The graphics for days 1-3 show no frontal system that slid through the Pacific Northwest this morning and the next wave behind it. The graphics for days 3-7 Tuesday through Saturday show no frontal systems pushing into the Pacific Northwest until one moves in between Wednesday and next Thursday.
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ADVISORIES:
- NONE AT THIS TIME.
HEALTH ADVISORIES:
- A RECREATION HEALTH ADVISORY HAS BEEN ISSUED FOR LAKE BILLY CHINOOK, PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES SUCH AS WATER SKIING OR POWER BOATING IN AREAS WHERE BLOOMS ARE PRESENT AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER, OREGON HEALTH OFFICIALS SAID. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, THOUGH THOSE WITH SKIN SENSITIVITIES MAY DEVELOP A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGED PEOPLE TO VISIT LAKE BILLY CHINOOK FOR ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
- 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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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 28 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Eugene-Springfield Area Pollen count:
GRASS: 65 HIGH
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 6.20.25
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 evening rain, showers late tonight (0.50 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM showers, mostly sunny and warmer Sunday afternoon, clear Sunday night,
- Mostly sunny and a bit warmer Monday, mostly cloudy in the evening, becoming mostly clear late Monday night,
- Mostly sunny and a bit warmer Tuesday, then mostly cloudy Tuesday night.
- lows 52-48 warming back to 52 Tuesday night highs 73-82.
- Partly cloudy and a bit cooler Wednesday afternoon, partly cloudy Wednesday night,
- Mostly cloudy start, mostly sunny and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly clear at night,
- Mostly sunny and a bit warmer Friday, mostly clear Friday night,
- Then sunny and a bit warmer Saturday.
- highs 78-77 warming to 83 Saturday lows 52-50 warming back to 52 Friday night. (seasonal averages high 76 low 48).
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with evening showers, showers likely (70%) late tonight (0.50 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM showers (under 0.10 in. of rain possible), just partly cloudy and warmer Sunday afternoon, clear Sunday night,
- Sunny and warmer Monday, partly cloudy in the evening, then mostly clear late Monday night,
- Sunny and a bit warmer Tuesday, partly cloudy Tuesday night.
- lows 53-57 highs 73-85. .
- Partly cloudy and a bit cooler Wednesday, partly cloudy Wednesday night,
- Mostly cloudy start, partly cloudy and a bit warmer Thursday, mostly clear at night,
- Some AM clouds, sunny and a bit warmer Friday afternoon, clear Friday night,
- Then sunny and a bit warmer Saturday.
- highs 79-86 lows 58-55. cooling to 57 Saturday (seasonal averages high 78 low 54).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Cloudy with a good (50%) chance of showers tonight (0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM showers (under 0.10 in. of rain possible), just partly cloudy and a bit warmer Sunday afternoon, mostly clear Sunday night,
- Partly cloudy and a bit warmer Monday, mostly cloudy in the evening, partly cloudy late Monday night,
- Mostly cloudy start, partly cloudy and a bit cooler Tuesday afternoon, then mostly cloudy Tuesday night,
- lows 53-49 warming to 52 Monday night and Tuesday night highs 67-72 cooling to 68 Tuesday.
- Partly cloudy Wednesday and Wednesday night,
- Mostly cloudy and a bit cooler Thursday, partly cloudy at night,
- Partly cloudy and as bit warmer Friday, mostly clear Friday night,
- Then mostly sunny Saturday.
- highs 68-70 lows near 52.
- (seasonal averages high 64 low 52). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with evening rain, showers late tonight (0.50 in. of rain possible),
- Mostly cloudy with a (40%) chance of AM showers, mostly sunny and a bit warmer Sunday afternoon, mostly clear Sunday night, (under 0.10 in. of rain possible)
- Sunny warmer Monday, partly cloudy Monday night,
- Sunny and a bit warmer Tuesday, mostly cloudy in the evening, then partly cloudy late Tuesday night.
- snow level 6,500 ft. tonight, 7,000 ft. Sunday, free air freezing level 10,000 ft. rising to 11,0000 ft. late Sunday night, 11,000 ft. rising to 12,000 ft. Monday, then 12,000 ft. Monday night and Tuesday, then 13,000 ft. Tuesday night.
- lows 34-45 highs 57-53.
- Mostly sunny and as bit cooler Wednesday, partly cloudy in the evening, mostly cloudy late Wednesday night,
- Mostly sunny and a bit cooler Thursday, partly cloudy at night,
- Sunny and a bit warmer Friday, mostly clear Friday night,
- Then sunny and warmer Saturday.
- free air freezing level 12,000 ft. Wednesday and Wednesday night, 11,000 ft. Thursday, 12,000 ft. Thursday night and Friday,then 14,000 ft. Friday night and Saturday.
- highs 68-66 warming to 78 Saturday lows 44-43.
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