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 Monday, Thursday, and Friday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN BLUE 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 AND THE NORTHERN DESCHUTES NATIONAL FOREST.
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL MOUNTAINS OF OREGON.
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM FRIDAY UNTIL 9 PM SATURDAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY 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 FROM 2 PM MDT 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 ALERT IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 1 PM FRIDAY FOR BAKER, HARNEY, AND MALHEUR COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON FRIDAY DUE TO WILDFIRE SMOKE FOR CROOK, DESCHUTES, GRANT, JEFFERSON, MORROW, UMATILLA, UNION, WALLOWA, AND WHEELER COUNTIES.
- A HEAT ADVISORY IS IN EFFECT THROUGH 9 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
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 with patchy early evening fog,
- Mostly sunny and a bit warmer Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, mostly clear at night,
- AM clouds and sun, mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
- lows 55-52 warming to 53 Saturday night cooling back to 52 Sunday night highs 86-80 warming to 83 Sunday.
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Sunny and a bit warmer Wednesday, clear Wednesday night,
- Then sunny and a bit cooler Thursday.
- highs 84-83 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:
- Mostly clear tonight,
- Sunny and a bit cooler Friday afternoon, becoming partly cloudy Friday night,
- AM clouds and sun, sunny and a bit cooler Saturday, mostly clear at night,
- Sunny Sunday, then clear Sunday night.
- lows 57-54 warming to 55 Saturday night cooling to 54 Sunday night highs 97-86.
- Sunny and a bit warmer Monday, clear Monday night,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then sunny and a bit cooler Thursday.
- highs 86-85 warming to 87 Wednesday cooling to 86 Thursday lows 54-55 (seasonal averages high 88 low 58).
- Becoming mostly cloudy with patchy fog late tonight,
- Patchy AM fog, a mix of clouds and sun Friday, mostly cloudy Friday night,
- A mix of clouds and sun and a bit warmer Saturday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Sunday, then partly cloudy Sunday night.
- lows 54-56 cooling back to 54 Sunday night highs 60-63.
- Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
- Mostly sunny and a bit warmer Wednesday, partly cloudy Wednesday night,
- Then a mix of clouds and sun and a bit cooler Thursday.
- highs 65-64 cooling back to 65 Wednesday cooling back to 64 Thursday 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 with patchy smoke tonight,
- Patchy AM smoke, sunny and a bit warmer Friday afternoon, mostly clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear at night,
- Sunny Sunday, then mostly clear Sunday night.
- free air freezing level 15,000 ft. tonight through Saturday night, then 14,000 ft. Sunday and Sunday night,
- lows 50-44 highs 79-72.
- Sunny and a bit warmer Monday, clear Monday night,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Then sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night.
- free air freezing level 15,000 ft. Monday through Wednesday, then 16,000 ft. Wednesday night and Thursday.
- highs 72-75 lows 45-44 warming back 45 Wednesday.