Jul
02.
An Upper Level High Pressure Ridge (“Arch” Shape) is moving eastward with an Upper Level Low Pressure Trough (“U”shape) follows bringing cooling marine air our way. The graphics for days 1-3 show a frontal system moving through the Pacific Northwest this evening and tonight for cooling. The graphics for days 3-7 Saturday through Wednesday show no frontal systems pushing into the Pacific Northwest during the period.
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ADVISORIES:
- A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY EFFECT UNTIL 9 PM TONIGHT FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE CENTRAL MOUNTAINS OF OREGON.
- A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS UNTIL 8 PM THIS EVENING FOR THE KLAMATH BASIN, AND THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS FROM 2 PM UNTIL 8 PM THIS EVENING FOR THE KLAMATH BASIN, AND THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS FROM 2 PM UNTIL 8 PM PDT THIS EVENING FOR THE KLAMATH BASIN, AND THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A RED FLAG WARNING IS IN EFFECT FOR LIGHTING FROM 2 PM UNTIL 8 PM PDT FOR THE BURNS BLM, SOUTHERN GRASSLANDS, CENTRAL CANYONLANDS, NORTHWESTERN VALE BLM, AND THE BAKER VALLEY.
- A RED FLAG WARNING IS IN EFFECT FOR LIGHTING FROM 2 PM UNTIL 8 PM PDT THURSDAY FOR THE BURNS BLM, SOUTHERN GRASSLANDS, CENTRAL CANYONLANDS, NORTHWESTERN VALE BLM, AND THE BAKER VALLEY.
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MDT FOR THE OREGON LOWER TREASURE VALLEY
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 22 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 29 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: 2 LOW
WEEDS: 0 LOW
Measured 7.2.25
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 this evening, partly cloudy late tonight,
- Sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy late Thursday night,
- Mostly sunny and a bit cooler Friday (Independence Day), mostly clear at night,
- Sunny and a bit warmer Saturday, then mostly clear Saturday night.
- lows 53-48 warming to 52 Saturday night highs 82-77 warming back to 82 Saturday.
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
- Then sunny Wednesday.
- highs 85-92 lows 563-57. (seasonal averages high 80 low 50).
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy late Thursday night,
- AM clouds, sunny and a bit cooler Friday (Independence Day), mostly clear at night,
- Sunny and a bit warmer Saturday, clear Saturday night.
- lows 58-53 warming to 56 Saturday night highs 83-78 warming back to 83 Saturday. .
- Sunny and a bit warmer Sunday, clear Sunday night,
- Mostly sunny and a bit warmer Monday, mostly clear at night,
- Sunny and a bit warmer Tuesday, clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- highs 87-95 lows 58-62 (seasonal averages high 82 low 55).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy this evening, mostly cloudy with patchy fog late tonight,
- AM clouds and patchy fog, sunny and a bit warmer Thursday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Thursday night,
- AM clouds and patchy fog, sunny and a bit warmer Friday afternoon (Independence Day), mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
- lows 54-48 warming to 50 Saturday night highs 66-70.
- Mostly sunny Sunday, mostly clear Sunday night,
- Mostly sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
- Then mostly sunny Wednesday.
- highs 70-72 lows 52-54.
- (seasonal averages high 65 low 53). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear this evening, partly cloudy late tonight,
- Sunny and a bit cooler Thursday, partly cloudy with a slight (20%) chance of showers late Thursday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Friday (Independence Day), mostly clear at night,
- Sunny and a bit warmer Saturday, then mostly clear Saturday night.
- free air freezing level 14,000 ft. tonight, 13,000 ft. Thursday, snow level above 8,000 ft. Thursday night and Friday, 11,000 ft. rising to 12,000 ft. late Friday night, free air freezing level 12,000 ft. Saturday, then 14,000 ft. Saturday night.
- lows 44-40 warming to 45 Saturday night highs 72-64 warming back to 72 Saturday.
- Sunny and a bit warmer Sunday, Monday, and Tuesday, mostly clear each night,
- Then sunny and a bit cooler Wednesday.
- highs 75-85 cooling to 83 Wednesday lows 48-54.
- free air freezing level 14,000 ft. Sunday, 15,000 ft. Sunday night, then 15,000 ft. Monday through Wednesday.
- highs 70-84 lows 44-54.
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