Jul
06.
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 Wednesday through Sunday show a frontal systems pushing into the Pacific Northwest Wednesday, then a cold front will be to our northwest next Sunday.
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ADVISORIES:
- A FIRE WEATHER WATCH IS IN EFFECT FOR ABUNDANT LIGHTNING FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE CENTRAL MOUNTAINS OF OREGON AND THE SOUTHERN DESCHUTES NATIONAL NATIONAL FOREST.
- A FIRE WEATHER WATCH IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTES
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 39 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 26 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 28 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: 41 HIGH
TREES: 4 LOW
WEEDS: 0 LOW
Measured 7.6.25
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 Monday, mostly clear Monday night,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Mostly sunny and cooler Wednesday, partly cloudy in the evening, then mostly cloudy late Wednesday night.
- lows 54-56 cooling to 54 Tuesday night warming to 56 Wednesday night highs 93-80.
- Some AM clouds, sunny and a bit warmer Thursday afternoon, clear Thursday night,
- Sunny and a bit warmer Friday, clear at night,
- Then sunny Saturday and Sunday, mostly clear Saturday night,
- highs 84-92 cooling to 80 Wednesday lows 54-57. (seasonal averages high 82 low 51).
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Mostly sunny and a bit cooler Wednesday, mostly clear in the evening, then partly cloudy Wednesday night.
- lows 59-62 cooling back to 59 Tuesday and Wednesday night highs 95-84 .
- Partly cloudy and a bit warmer Thursday afternoon, clear Thursday night,
- Sunny and a bit warmer Friday, clear at night,
- Then sunny Saturday and Sunday, clear Saturday night.
- highs 87-94 lows 60-58 warming 62 Friday night (seasonal averages high 84 low 56).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, partly cloudy with patchy coastal fog late tonight,
- Patchy AM fog, sunny and a bit warmer Monday afternoon, partly cloudy in the evening, mostly cloudy late Monday night,
- AM clouds, sunny and a bit cooler Tuesday afternoon, partly cloudy in the evening, mostly cloudy late at night,
- Then mostly cloudy and a bit warmer Wednesday, then mostly cloudy Wednesday night.
- lows 52-54 highs near 70.
- Mostly sunny Thursday, mostly clear Thursday night,
- Mostly sunny and a bit warmer Friday, mostly clear at night,
- Partly cloudy Saturday and Saturday night,
- Then partly cloudy Sunday.
- highs 70-72 lows 52-55.
- (seasonal averages high 65 low 53). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Sunny and a bit cooler Tuesday, partly cloudy in the evening, mostly clear late at night,
- Sunny and cooler Wednesday, partly cloudy in the evening, then mostly cloudy late Wednesday night.
- snow level free air freezing level 14,000 ft. rising to 15,000 ft. late tonight, 15,000 ft, Monday through Tuesday, 15,000 ft. falling to 14,000 ft Tuesday night, 13,000 ft Wednesday, then 15,000 ft. Wednesday night.
- lows 52-54 cooling to 50 Tuesday night highs 70-84.
- Sunny and a bit warmer Thursday, clear Thursday night,
- Sunny and warmer Friday, clear at night,
- Then sunny and a bit cooler Saturday and Sunday, clear Saturday night,
- highs 75-85 cooling to 83 Wednesday lows 48-54.
- free air freezing level 15,000 ft. Thursday through Friday, then 16,000 ft. Friday night through Sunday.
- highs 74-85 cooling to 83 Saturday lows 49-55.
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