A strong area of Upper Level High Pressure (“O” shape) over the Great Basin keeps sending warm weather and some clouds our way. The graphics for days 1-3 show no frontal systems over the Pacific Northwest. The graphics for days 3-7 Tuesday through Saturday show no frontal systems over the Pacific Northwest through the period.
ADVISORIES:
- A HEAT ADVISORY IS IN EFFECT FROM 10 AM TUESDAY UNTIL 11 PM WEDNESDAY FOR THE LOWER COLUMBIA RIVER, TUALATIN VALLEY, INNER PORTLAND METRO, EAST PORTLAND METRO, THE CENTRAL WILLAMETTE VALLEY, THE WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT, WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, THE UPPER HOOD RIVER VALLEY, AND THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR.
- A HEAT ADVISORY IS IN EFFECT FROM NOON MDT UNTIL 9 PM MDT MONDAY FOR MALHEUR COUNTY AND THE OREGON LOWER TREASURE VALLEY.
- AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY DUE TO WILDFIRE SMOKE FOR JACKSON COUNTY, KLAMATH COUNTY, AND LAKE COUNTY.
- AN AIR QUALITY ALERT DUE TO WILDFIRE SMOKE IS IN EFFECT UNTIL NOON MONDAY FOR GRANT, WALLOWA, AND WHEELER COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY FOR BAKER COUNTY AND NORTHERN HARNEY COUNTY.
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 cloudy tonight,
- Mostly cloudy, possible sun breaks, a bit warmer Monday, mostly cloudy Monday night,
- A mix of clouds and sun and slightly warmer (Very Warm) Tuesday, partly cloudy at night,
- Mostly sunny and slightly cooler Wednesday (Very Warm), then partly cloudy with a slight (20%) chance of rain late Wednesday night.
- lows 59-62 cooling to 58 Wednesday night highs 92-95 cooling to 94 Wednesday.
- Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
- Sunny and a bit cooler Friday, clear Friday night,
- Sunny and slightly cooler Saturday,
- Then sunny and a bit cooler Sunday.
- highs 93-87 lows 59-55. (seasonal averages high 85 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: MODERATE (8)
TREE POLLEN: ABSENT (0)
WEEDS: ABSENT (0)
Measured 7.16.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy tonight,
- AM clouds, mostly sunny and a bit warmer Monday, mostly cloudy Monday night,
- Mostly sunny and a bit warmer Tuesday, partly cloudy at night,
- Mostly sunny and slightly cooler Wednesday, mostly clear Wednesday night.
- lows 63-60 highs 94-95 cooling back to 94 Wednesday. .
- Sunny and a bit cooler Thursday and Friday, mostly clear both nights,
- Sunny Saturday, mostly clear Saturday night,
- Then sunny and slightly cooler Sunday.
- highs 93-86 lows 60-55 (seasonal averages high 87 low 58).
- Becoming mostly cloudy tonight,
- Mostly cloudy and a bit cooler Monday, mostly cloudy Monday night,
- Mostly cloudy Tuesday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Wednesday, then mostly cloudy Wednesday night.
- lows 54-55 highs 62-64.
- Mostly cloudy and a bit warmer Thursday, mostly cloudy Thursday night,
- A mix of clouds and sun and a bit cooler Friday, clear at night,
- Sunny Saturday, mostly clear Saturday night,
- Then sunny and slightly cooler Sunday.
- highs 65-63 lows 55-53 (seasonal averages high 66 low 54).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with patchy smoke late tonight,
- AM clouds with patchy smoke, a mix of clouds and sun and a bit cooler Monday, mostly cloudy with patchy smoke Monday night,
- A mix of clouds and sun and a bit warmer Tuesday, mostly cloudy in the evening, partly cloudy late at night,
- Mostly sunny and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Wednesday, then partly cloudy with a (40%) chance of rain Wednesday night.
- free air freezing level 15,000 ft. tonight, 15,000 ft. falling to 14,00 ft. Monday afternoon, 15,000 ft. Monday night through Tuesday night.
- lows 56-55 warming back to 56 Tuesday night cooling to 53 Wednesday night highs 78-82.
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Thursday, mostly clear Thursday night,
- Sunny and a bit cooler Friday, mostly clear at night,
- Sunny and a bit cooler Saturday, clear Saturday night,
- Then sunny and a bit cooler Sunday.
- snow level above 8,000 ft. Wednesday through Thursday, free air freezing level 15,000 ft. Thursday night through Saturday,
- highs 78-72 lows 49-46.