Aug
02.
An Upper Level High Pressure Ridge just offshore brings lots of heat. The graphics for days 1-3 show a cold frontal system pushing through Oregon Saturday. The graphics for days 3-7 Wednesday through Sunday show no major activity over the Pacific Northwest through the period.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM UNTIL 8 PM MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN WILLAMETTE VALLEY.
- A RED FLAG WARNING IS IN EFFECT FROM 2 PM MONDAY UNTIL 9 PM TUESDAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE WESTERN ROGUE BASIN INCLUDING THE THE ILLINOIS VALLEY, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, AND THE SOUTHERN OREGON CASCADES.
- A FIRE WEATHER WATCH IS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA RIVER BASIN OF OREGON, THE EASTERN COLUMBIA RIVER GORGE OF OREGON, AND THE EAST SLOPES OF THE MT. HOOD NATIONAL FOREST.
- A FIRE WEATHER WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WESTERN COLUMBIA RIVER GORGE OF OREGON.
- A HEAT ADVISORY IS IN EFFECT FROM NOON TUESDAY UNTIL 11 PM WEDNESDAY FOR THE NORTH OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS,THE LOWER COLUMBIA COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, BENTON COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
- A HEAT ADVISORY IS IN EFFECT FROM 11 AM TUESDAY UNTIL 11 PM WEDNESDAY FOR CENTRAL DOUGLAS COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 2 PM MONDAY FOR BAKER COUNTY, HARNEY COUNTY, AND MALHEUR COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY FOR CLACKAMAS COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 2 PM MONDAY FOR COOK, GRANT, JEFFERSON, UMATILLA, UNION, WALLOWA, WASCO, AND WHEELER COUNTIES.
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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SKI REPORT:
Willamette Pass Ski: IT’S NOT OFFICIAL, BUT DUE TO THE LATENESS OF THE SEASON AND THE MILD WEATHER TREND THERE IS VIRTUALLY NO CHANCE OF GETTING ENOUGH SNOWFALL TO ALLOW OPENING FOR SKIING. CONSIDER IT CLOSED FOR THE SEASON.
Hoodoo Ski: IS CLOSED FOR THE SEASON.
Mt. Ashland Ski: IS CLOSED FOR THE SEASON.
Be sure to check their web pages for the latest updates.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 24 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 13 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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Clear tonight,
- Sunny and warmer with patchy smoke Monday afternoon, widespread evening and late evening smoke, clear Monday night,
- Sunny and a bit warmer (Hot) Tuesday, mostly clear at night,
- Sunny and a bit warmer (Hot) Wednesday, then clear Wednesday night.
- lows 52-62 cooling 60 Wednesday night highs 87-98.
- Sunny and a bit cooler (Still Hot) Thursday, clear Thursday night,
- Sunny and a bit cooler Friday, clear at night,
- Sunny and a bit cooler Saturday, clear Saturday night,
- Then sunny and a bit cooler Sunday.
- highs 96-84 lows 58-60 cooling to 56 Saturday night. (seasonal averages high 86 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: ABSENT (0)
WEEDS: LOW (0)
Measured 7.30.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit warmer with patchy smoke Monday afternoon, clear with widespread late evening and overnight smoke Monday night,
- Sunny and a bit warmer (Hot) Tuesday, mostly clear at night,
- Sunny and a bit warmer (Hot) Wednesday, then clear Wednesday night.
- lows 53-64 cooling to 63 Wednesday night highs 80-97.
- Mostly sunny and Hot Thursday, clear Thursday night,
- Mostly sunny and a bit cooler (Still Hot) Friday, clear at night,
- Sunny and a bit cooler (still warm) Saturday, clear Saturday night,
- Then sunny and a bit cooler Sunday.
- highs 98-87 lows 62-59. (seasonal averages high 87 low 58).
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Forecast for the South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy tonight,
- Sunny and a bit warmer Monday, mostly clear with patchy late evening and overnight Monday night,
- Sunny and a bit warmer Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, then mostly clear Wednesday night.
- lows 54-55 highs 63-70 cooling to 69 Wednesday.
- Mostly sunny and a bit cooler Thursday, partly cloudy Thursday night,
- Mostly sunny and a bit cooler Friday, partly cloudy at night,
- Mostly sunny and a bit cooler Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler Sunday.
- highs 68-65 lows 6near 55 . (seasonal averages high 67 low 54).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Areas of AM smoke, sunny and a bit warmer with patchy smoke Monday afternoon, mostly clear with areas of smoke Monday night,
- Sunny and a bit warmer Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, then clear Wednesday night.
- free air freezing level 15,000 ft. tonight and Monday, 16,000 ft. Monday night and Tuesday, then above 16,000 ft. Tuesday night through Wednesday night.
- lows 39-56 highs 77-87.
- Sunny Thursday, mostly clear Thursday night,
- Sunny and a bit cooler Friday, mostly clear at night,
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Then sunny Sunday.
- free air freezing level above 16,000 ft. Thursday through Sunday.
- highs 85-74 lows 54-47.
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