A strong area of Upper Level High Pressure (“O” shape) centered over Arizona along with an Upper Level Low Pressure Trough offshore are in control of our weather. The graphics for days 1-3 show no frontal systems over the Pacific Northwest. The graphics for days 3-7 Tuesday through Friday show frontal activity over the Pacific Northwest Tuesday through Thursday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 8PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON AND THE CENTRAL MOUNTAINS OF OREGON.
- A RED FLAG WARNING IS IN EFFECT FROM 10 AM UNTIL 8 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON, THE CENTRAL BLUE MOUNTAINS, AND THE NORTHERN DESCHUTES NATIONAL FOREST.
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM SATURDAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM SATURDAY FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST.
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WINDS AND LOW RELATIVE HUMIDITY FOR BURNS BLM, STEENS MOUNTAIN, SOUTHERN GRASSLANDS, CENTRAL CANYON LANDS, NORTHWESTERN VALE BLM, AND THE BAKER VALLEY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY DUE TO WILDFIRE SMOKE FOR CROOK, DESCHUTES, GRANT, JEFFERSON, MORROW, UMATILLA, UNION, WALLOWA, AND WHEELER COUNTIES.
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM SATURDAY FOR MALHEUR COUNTY AND THE OREGON LOWER TREASURE VALLEY.
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:
- Mostly clear tonight,
- Sunny and a bit cooler Saturday, partly cloudy Saturday night,
- AM clouds, becoming sunny and a bit warmer Sunday, mostly clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- lows 52-53 cooling back to 52 Sunday night warming back to 53 Monday night highs 81-85 cooling to 83 Monday.
- Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, clear at night,
- Sunny and a bit warmer Thursday, clear Thursday night,
- Then sunny and slightly warmer Friday.
- highs 83-87 lows near 53. (seasonal averages high 86 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: MODERATE (6)
TREE POLLEN: LOW (0)
WEEDS: ABSENT (0)
Measured 7.21.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit cooler Saturday, partly cloudy Saturday night,
- AM clouds and sun, sunny Sunday, clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- lows 55-54 highs 84-86.
- Sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Sunny and a bit warmer Thursday, mostly clear Thursday night,
- Then sunny and a bit warmer Friday.
- highs 86-85 warming to 87 Wednesday cooling to 86 Thursday lows 54-55 (seasonal averages high 88 low 58).
- Mostly cloudy late tonight,
- A mix of clouds and sun and a bit warmer Saturday, mostly cloudy Saturday night,
- A mix of clouds and sun and a bit cooler Sunday, partly cloudy at night,
- Mostly sunny and a bit warmer Monday, then partly cloudy Monday night.
- lows 55-56 cooling back to 54 Sunday night highs 60-63.
- Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- A mix of clouds and sun Wednesday, partly cloudy at night,
- Mostly sunny and a bit cooler Thursday, partly cloudy Thursday night,
- Then mostly sunny and a bit warmer Friday.
- highs 65-64 warming back to 65 Friday lows 55-54 warming back to 55 Wednesday night (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,
- Sunny and a bit cooler Saturday, partly cloudy Saturday night,
- Sunny Sunday, mostly clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- free air freezing level 15,000 ft. tonight, 15,000 ft. falling to 14,000 ft. Saturday afternoon, 15,000 ft. Saturday night, 14,000 ft. falling to 13,000 ft. Sunday, 13,000 ft. rising to 14,000 ft. Sunday night, 13,000 ft. Monday, then 15,000 ft. Monday night.
- lows 47-44 warming to 45 Monday night highs 72-73.
- Sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
- Then sunny and a bit warmer Friday
- free air freezing level 14,000 ft. Tuesday, 15,000 ft. Tuesday night and Wednesday, then 16,000 ft. Wednesday night through Friday.
- highs 72-79 lows 45-48.