Jul
20.
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 Friday through Tuesday show no frontal systems over the Pacific Northwest through the period.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 11 AM UNTIL 11 PM WEDNESDAY FOR ABUNDANT LIGHTNING FOR THE SOUTHERN BLUE MOUNTAINS AND THE CENTRAL MOUNTAINS OF OREGON.
- A FIRE WEATHER WATCH IS IN EFFECT FROM LATE WEDNESDAY MORNING THROUGH WEDNESDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE UMPQUA NATIONAL FOREST, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- 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 TONIGHT 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 4 PM WEDNESDAY DUE TO WILDFIRE SMOKE FOR CROOK, DESCHUTES, JEFFERSON, UMATILLA, UNION, WILLOWA, AND WHEELER COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR BAKER COUNTY, HARNEY COUNTY, AND MALHER COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 2 PM WEDNESDAY FOR JACKSON 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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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 54 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 32 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 29 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:
- Partly cloudy tonight,
- Mostly sunny and a bit warmer (Hot) Tuesday, mostly clear Tuesday night,
- Sunny and Hot Wednesday, mostly clear at night,
- Sunny and cooler Thursday, then mostly clear Thursday night.
- lows 62-63 cooling to 55 Thursday night highs 97-88.
- Sunny and a bit cooler Friday, clear Friday night,
- Sunny Saturday, clear at night,
- Sunny Sunday, mostly clear Saturday night,
- Then mostly sunny and a bit cooler Monday.
- highs 93-87 lows 59-55. (seasonal averages high 86 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,
- Mostly sunny and slightly cooler (Hot) Tuesday, mostly clear Tuesday night,
- Sunny and Hot Wednesday, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late at night,
- Sunny and a bit cooler Thursday, then mostly clear Thursday night,
- lows 64-57 highs 97-89. .
- Sunny and a bit cooler Friday and Saturday, clear both nights,
- Sunny Sunday, mostly clear Sunday night,
- Then mostly sunny and a bit cooler Monday.
- highs 87-84 lows near 55 (seasonal averages high 87 low 58).
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Forecast for the South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with patchy fog tonight,
- AM clouds with patchy dense fog, sunny Tuesday afternoon, partly cloudy with patchy fog late Tuesday night,
- Patchy AM fog, mostly sunny and a bit warmer Wednesday afternoon, mostly cloudy with patchy fog late at night,
- Patchy AM fog, mostly cloudy Thursday, then mostly cloudy Thursday night.
- lows 55-56 highs 63-64.
- A mix of clouds and sun Friday and Saturday, partly cloudy both nights,
- A mix of clouds and sun Sunday, mostly cloudy Sunday night,
- Then a mix of clouds and sun Monday.
- highs near 64 lows 55-54 (seasonal averages high 67 low 54).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with patchy smoke tonight,
- Areas of AM smoke, sunny and a bit warmer with patchy smoke Tuesday afternoon, partly cloudy with patchy evening smoke, mostly clear with patchy smoke late Tuesday night,
- AM sun, a mix of clouds and sun with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Wednesday afternoon, mostly cloudy with a good (50%) chance of evening showers, clearing with a good (50%) chance of showers late at night,
- Sunny and a bit cooler with a slight (20%) chance of showers Thursday, then mostly clear Thursday night.
- free air freezing level 15,000 ft. rising to 16,000 ft. late tonight, 16,000 ft. falling to 15,00 ft. Tuesday afternoon, 15,000 ft. Tuesday night, snow level above 8,000 ft. Wednesday through Thursday, then free air freezing level 15,000 ft. Thursday night.
- lows 54-55 cooling to 49 Thursday night highs 82-77.
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Sunny and a bit cooler Saturday, clear at night,
- Sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then sunny and a bit cooler Monday.
- free air freezing level 15,000 ft. Friday and Friday night, 14,000 ft. Saturday, then 15,000 ft. Saturday night through Monday.
- highs 74-73 warming to 75 Sunday cooling to 73 Monday lows 49-46.
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