Jul
05.
An approaching Broad Upper Level High Pressure Ridge (“Arch”shape) takes over to start heating us up. The graphics for days 1-3 show no frontal systems moving into or through the Pacific Northwest. The graphics for days 3-7 Tuesday through Saturday show no frontal systems pushing into the Pacific Northwest during the period.
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ADVISORIES:
- NONE AT THIS TIME.
HEALTH ADVISORIES:
- 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 37 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 34 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: 101 HIGH
TREES: 4 LOW
WEEDS: 0 LOW
Measured 7.3.25
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 clear tonight,
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and a bit warmer Monday, mostly clear at night,
- Sunny and a bit cooler Tuesday, then mostly clear Tuesday night.
- lows 49-56 highs 87-92 cooling to 90 Tuesday.
- Sunny and a bit cooler Wednesday, mostly clear in the evening, partly cloudy late Wednesday night,
- Mostly sunny Thursday, clear at night,
- Sunny and a bit warmer Friday, clear Friday night,
- Then sunny Saturday.
- highs 86-92 lows 56-55 warming to 58 Saturday. (seasonal averages high 82 low 52).
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and a bit warmer Monday, mostly clear at night,
- Sunny and a bit cooler Tuesday, then mostly clear Tuesday night.
- lows 55-62 cooling to 60 Tuesday night highs 89-94 cooling to 92 Tuesday. .
- Mostly sunny and a bit cooler Wednesday, mostly clear Wednesday night,
- AM clouds, sunny and a bit warmer Thursday afternoon, clear at night,
- Sunny and a bit warmer Friday, clear Friday night,
- Then sunny Saturday.
- highs 87-94 lows 60-58 warming 62 Friday night (seasonal averages high 83 low 56).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear through late evening, partly cloudy with patchy inland fog late tonight,
- Sunny and a bit warm Sunday, mostly clear in the evening, partly cloudy Sunday night,
- Some AM clouds, sunny Monday afternoon, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy Tuesday, mostly cloudy Tuesday night.
- lows 49-54 highs near 70.
- Mostly cloudy Wednesday and Wednesday night,
- AM clouds, sunny and a bit warmer Thursday afternoon, mostly clear at night,
- Mostly sunny Friday, mostly clear Friday night,
- Some AM clouds, then sunny Saturday afternoon.
- highs 70-72 lows 54-52 warming back to 54 Saturday.
- (seasonal averages high 65 low 53). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear tonight,
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear late at night,
- Sunny and a bit cooler Tuesday, partly cloudy in the evening, then mostly clear Tuesday night.
- snow level free air freezing level 13,000 ft. rising to 14,000 ft. late tonight, 14,000 ft. Sunday, 15,000 ft. late Sunday night, then 15,000 ft, Monday through Tuesday night.
- lows 46-54 highs 70-84.
- Sunny and a bit cooler Wednesday, mostly clear in the evening, partly cloudy late Wednesday night,
- Mostly sunny and a bit warmer Thursday, clear at night,
- Sunny and a bit warmer Friday, clear Friday night,
- Then sunny and a bit cooler Saturday.
- highs 75-85 cooling to 83 Wednesday lows 48-54.
- free air freezing level 14,000 ft Wednesday, 15,000 ft. Wednesday night, 15,000 ft. Thursday, 16,000 ft. Thursday night through Friday night, then 15,000 ft. Saturday.
- highs 74-85 cooling to 83 Saturday lows 49-55.
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