An Upper Level Low Pressure Trough (“U” shape) is being over shadowed by a strong Upper Level High Pressure Ridge centered over West Texas warming us up. The graphics for days 1-3 show no disturbances pushing through Oregon. The graphics for days 3-7 Thursday through Monday show no frontal systems pushing through the Pacific Northwest Thursday through. Another front will be offshore next Monday.
ADVISORIES:
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY FOR UMATILLA COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY FOR BAKER 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:
- AM clouds, sunny, a bit cooler this afternoon, partly cloudy late tonight,
- Mostly sunny and a bit cooler Wednesday, partly cloudy Wednesday night.
- highs 86-52 lows 57-53,
- Morning clouds, sunny and a bit cooler Thursday, mostly clear Thursday night,
- Mostly sunny Friday, mostly clear Friday night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Saturday afternoon, mostly clear Saturday night,
- Mostly sunny and a bit warmer Sunday, mostly clear at night,
- Then mostly sunny Monday.
- A mix of clouds and sun highs 84-85 cooling to 80 Saturday lows near 54. (seasonal averages high 83 low 51)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: ABSENT (0)
WEEDS: LOW
Measured 8.18.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- AM clouds and sun, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
- Sunny and a bit cooler Wednesday, mostly clear Wednesday night,
- Mostly sunny and a bit cooler Thursday, then mostly clear Thursday night.
- highs 89-82 lows 56-57 cooling to 54 Thursday night.
- Sunny Friday, mostly clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then sunny and a bit cooler Monday.
- highs 82-79 warming back to 82 Sunday and Monday lows 54-52 (seasonal averages high 85 low 56).
- Cloudy with dense AM fog, becoming mostly cloudy and a bit cooler this afternoon, mostly cloudy tonight,
- A mix of clouds and sun and a bit warmer Wednesday, mostly cloudy Wednesday night,
- A mix of clouds and sun and a bit warmer Thursday, then partly cloudy Thursday night.
- highs 62-64 cooling to 63 Thursday lows 58-55.
- A mix of clouds and sun and a bit warmer Friday, mostly cloudy Friday night,
- A mix of clouds and sun and a bit Saturday, partly cloudy at night,
- Mostly sunny Sunday, partly cloudy Sunday night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Monday.
- highs 64-52 lows 54-52 warming to 53 Sunday night. (seasonal averages high 68 low 53).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny today, mostly clear tonight,
- Sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- free air freezing level 14,000 ft. today through Thursday night,
- Sunny and a bit cooler Thursday, then mostly clear Thursday night.
- highs 79-70 lows 48-42.
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Saturday, mostly clear in the evening, partly cloudy late at night,
- Then sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then mostly sunny Monday.
- free air freezing level 14,000 ft. Thursday and Thursday night, 13,000 ft. Friday and Friday night, snow level above 8,.000 ft. Saturday, free air freezing level 10,000 ft. Saturday night, 13,000 ft. Sunday and Sunday night, then 12,000 ft. Monday.
- highs 69-63 warming to 72 Sunday cooling to 70 Monday lows 42-39 warming back to 42 Sunday night.