An Upper Level Low Pressure Trough (“U” shape) offshore will be cooling us off by spreading weak cold fronts our way. The graphics for days 1-3 show a cold front dropping temperatures Saturday. The graphics for days 3-7 Wednesday through Sunday show the frontal system pushing out of the Pacific Northwest Sunday. Another front will be sliding through next Tuesday.
ADVISORIES:
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL NOON MONDAY FOR CROOK, JEFFERSON, AND WASCO COUNTIES.
- A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM SUNDAY FOR WALLOWA COUNTY.
- A FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH THROUGH MONDAY EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST.
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.
_______________
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.
_______________
______________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- AM clouds and sun with patchy fog, sunny and a bit warmer today, mostly clear tonight,
- Sunny and a bit warmer Monday, mostly cloudy at night,
- Mostly cloudy and a bit cooler with a (30%) chance of rain Tuesday afternoon, mostly cloudy with a (40%) chance of rain Tuesday night.
- highs 79-84 cooling to 75 Tuesday lows 52-54.
- Mostly cloudy and a bit cooler with a good (50%) chance of AM rain, showers with a slight (20%) chance of thunderstorms Wednesday afternoon, cloudy with rain Wednesday night,
- Mostly cloudy with AM rain likely (70%), showers and a bit warmer with a slight (20%) chance of thunderstorms Thursday afternoon, mostly cloudy with rain likely (70%) at night,
- A mix of clouds and sun and a bit warmer with a (30%) chance of rain Friday, mostly cloudy with a (20%) chance of rain Friday night.
- Then a mix of clouds and sun and a bit warmer with a (30%) chance of rain.
- highs 68-74 lows 53-49 warming to 50 Friday night. (seasonal averages high 82 low 51)
_____
EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: ABSENT (0)
WEEDS: ABSENT (0)
Measured 8.25.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
_______________
Forecast for the Umpqua Valley including Roseburg:
- Sunny and a bit warmer today, clear tonight,
- Sunny and a bit warmer Monday, partly cloudy at night,
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Tuesday afternoon, mostly cloudy with a (30%) chance of rain late Tuesday night.
- highs 82-86 cooling to 79 Tuesday lows 53-58 cooling back to 53 Tuesday night.
- Mostly cloudy and a bit cooler with rain likely (70%) Wednesday afternoon, mostly cloudy with rain Wednesday night,
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain Thursday afternoon, mostly cloudy with a good (50%) chance of rain at night,
- A mix of clouds and sun and a bit warmer with a (30%) chance of rain Friday, partly cloudy with a (30%) chance of rain Friday night,
- Then mostly sunny and a bit warmer with a (30%) chance of rain Saturday.
- highs 72-76 lows 55-52 (seasonal averages high 84 low 56).
- Patchy dense AM fog, sunny and a bit cooler this afternoon, partly cloudy with patchy fog tonight,
- Patchy AM fog, mostly sunny and bit cooler Monday, mostly cloudy Monday night,
- Mostly cloudy with a (30%) chance of rain and a bit cooler Tuesday afternoon, then mostly cloudy with a (40%) chance of rain late Tuesday night.
- highs 65-63-64 warming to 65 Friday lows 52-57 cooling to 56 Tuesday night.
- Cloudy with rain and a bit cooler Wednesday afternoon, cloudy with rain Wednesday night,
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit warmer Thursday afternoon, a good (50%) chance of rain at night,
- A mix of clouds and sun and a bit warmer with a (30%) chance of rain Friday, mostly cloudy with a slight (20%) chance of rain Friday night,
- Then a mix of clouds and sun and a bit warmer with a (30%) chance of rain Saturday.
- highs 65-62 warming back 65 Friday lows 55-53. (seasonal averages high 68 low 53).
______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit warmer today, mostly clear tonight,
- Sunny and a bit warmer Monday, partly cloudy at night,
- Mostly sunny and a bit cooler with a good (50%) chance of rain Tuesday, then mostly cloudy with a good( 50%) chance of rain Tuesday night.
- free air freezing level 13,000 ft. today, 14,000 ft. tonight, 14,000 ft. falling to 13,000 ft. Monday afternoon, 13,000 ft. Monday night, then snow level above 8,000 ft. Tuesday and Tuesday night.
- highs 70-76 cooling to 65 Tuesday lows 45 -43.
- Mostly cloudy and a bit cooler with rain likely (70%) Wednesday, mostly cloudy with rain Wednesday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Thursday, rain likely (70%) at night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of rain Friday, a (40%) chance of rain Friday night,
- Then a mix of clouds and sun with a (40%) chance of rain Saturday.
- snow level 8,000 ft. Wednesday and Wednesday night, 7,500 ft. Thursday through Friday, then 8,000 ft. Friday night and Saturday.
- highs 55-54 warming to 62 Saturday lows 42-38 warming to 39 Friday night.