An Upper Level Low Pressure Trough is pushing in along the coast bringing moisture from the Southwest into the Pacific Northwest. An Upper Level High Pressure (“O” shape) centered over the Nevada is pulling eastward. The graphics for days 1-3 show a cold frontal system pushing through Oregon between Saturday. The graphics for days 3-7 Monday through Friday show no major activity over the Pacific Northwest through the period.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 8 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON, THE NORTHERN BLUE MOUNTAINS OF OREGON, AND CANYON GRASSLANDS OF WALLOWA COUNTY, GRANDE RONDE VALLEY OF OREGON, EAGLE CAP WILDERNESS, JOHN DAY VALLEY AND CENTRAL MOUNTAINS OF OREGON.
- A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 9 PM SATURDAY FOR THE KLAMATH BASIN, THE FRENMONT-WINEMA NATIONAL FOREST, THE SOUTH CENTRAL OREGON DESERT INCLIUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH THROUGH SATURDAY EVENING FOR WINDS AND LOW RELATIVE HUMIDITY FOR CENTRAL CANYONLANDS, NORTHWESTERN VALE BLM, AND THE BAKER VALLEY.
- A RED FLAG WARNING IS IN EFFECT FROM 3 PM MDT UNTIL 9 PM SATURDAY FOR WINDS AND LOW RELATIVE HUMIDITY FOR BURNS BLM, STEENS MOUNTAIN, AND SOUTHERN GRASSLANDS.
- A WIND ADVISORY IS IN EFFECT FROM 11AM UNTIL 11 PM SATURDAY FOR THE EASTERN COLUMBIA GORGE OF OREGON, THE LOWER COLUMBIA RIVER GORGE OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
- A WIND ADVISORY IS IN EFFECT FROM 8 PM SATURDAY UNTIL 2 AM SUNDAY FOR BAKER COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY FOR CLACKAMAS COUNTY.
- AN AIR QUALITY ALERT FOR WILDFIRE SMOKE IS IN EFFECT UNTIL 2 PM MONDAY FOR CROOK, JEFFERSON, 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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy tonight,
- AM clouds, mostly sunny and cooler Saturday, mostly clear Saturday night,
- Sunny Sunday, clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- lows 56-50 warming to 55 Monday night highs 79-86.
- Sunny and a bit warmer Tuesday, clear Tuesday night,
- Sunny and a bit cooler Wednesday, clear at night,
- Sunny and a bit cooler Thursday, clear Thursday night,
- Then sunny and a bit cooler Friday.
- highs 93-88 lows 56-57. (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:
- Mostly clear tonight,
- AM clouds, sunny and cooler Saturday, mostly clear Saturday night,
- Sunny Sunday, clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- lows 56-52 warming to 57 Monday night highs 82-88.
- Sunny and a bit warmer Tuesday, clear Tuesday night,
- Sunny and a bit cooler Wednesday, clear at night,
- Sunny and a bit cooler Thursday, clear Thursday night,
- Then sunny Friday.
- highs 94-92 lows 58-59 (seasonal averages high 88 low 58).
- Mostly cloudy tonight,
- Mostly cloudy Saturday, partly cloudy Saturday night,
- AM clouds, becoming sunny and a bit warmer Sunday afternoon and breezy (Wind: NNE 9-14 mph increasing to NNE 23-28 mph), mostly clear Sunday night,
- Sunny and a bit warmer Monday, then mostly clear Monday night.
- lows 60-53 warming to 54 Monday night highs 59-66.
- Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- Mostly sunny and a bit cooler Wednesday, partly cloudy at night,
- Mostly sunny Thursday,partly cloudy Thursday night,
- Then mostly sunny Friday.
- highs 67-66 lows near 54. (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,
- Mostly sunny and cooler Saturday, partly cloudy Saturday night,
- Sunny and a bit cooler Sunday, mostly clear at night,
- Sunny and a bit warmer Monday, then mostly clear Monday night,
- free air freezing level 16,000 ft. rising to above 16,000 ft. late tonight, 16,000 ft. Saturday and Saturday night, 15,000 ft. Sunday through Monday, then 16,000 ft. Monday night.
- lows 47-42 highs 68-67 warming to 76 Monday.
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Sunny and a bit cooler Wednesday, mostly clear at night,
- Sunny and a bit cooler Thursday, mostly clear Thursday night,
- Then sunny Friday.
- free air freezing level 16,000 ft. Tuesday through Friday.
- highs 83-78 lows 52-50.