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Tim Chuey Weather

An  Upper Level High Pressure Ridge brings sunshine and slowly warming temperatures to above normal. The graphics for days 1-3 show no frontal systems sliding  into the Pacific Northwest. The graphics for days 3-7  Saturday through Wednesday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front moves in next Monday and Tuesday.

ADVISORIES:

  • AN EXTREME HEAT WATCH IS IN EFFECT FROM EARLY AFTERNOON FRIDAY THROUGH LATE SATURDAY NIGHT FOR EAST PORTLAND METRO, THE WESTERN COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY,
  • A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN WILLAMETTE VALLEY.

HEALTH ADVISORIES:

  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR  ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR  ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR  ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR  ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE  IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR  ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
  • 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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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 21 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Eugene-Springfield Area Pollen count:
GRASS: 0 ABSENT
TREES: 0 ABSENT
WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.
The grass pollen season has just about ended.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

  • Sunny and a bit warmer today and Thursday, clear both nights,
  • Sunny and a bit warmer Friday, then mostly clear Friday night.
  • highs 86-97 lows 52-57.
  • Sunny and a bit cooler Saturday, partly cloudy in the evening, clear Saturday night,
  • Sunny and a bit cooler Sunday, clear at night,
  • Sunny and a bit cooler Monday, mostly clear Monday night,
  • Then sunny and a bit cooler Tuesday.
  • highs 96-90 lows 58-57. (seasonal averages high 84 low 51).

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and a bit warmer today, clear tonight,
  • Then sunny and a bit warmer Thursday and Friday, clear both nights.
  • highs 88-99 lows 59-62.
  • Mostly sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
  • Then sunny and a bit cooler Monday and Tuesday, mostly clear Monday night.
  • highs near 97-92 lows 63-62 (seasonal averages high 85 low 57).

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Some AM clouds,  sunny and a bit warmer today, mostly clear tonight,
  • Sunny and a bit warmer Thursday, mostly clear at night,
  • Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
  • highs near 76 lows 54-56.
  • Partly cloudy and a bit cooler Saturday, partly cloudy Saturday night,
  • Partly cloudy Sunday through Tuesday.
  • highs 76-74 lows near 57.
  • (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Sunny and a bit warmer today, clear tonight,
  • Sunny and warmer Thursday, clear at night,
  • Sunny and a bit warmer Friday, then mostly clear Friday night.
  • free air freezing level 13,000 ft. today, 14,000 ft. rising to 15,000 ft. late tonight, 15,000 ft. Thursday,  14,000 ft. rising to 15,000 ft.  Thursday night, then 16,000 ft. Friday and Friday night.
  • highs 72-89 lows 49-57.
  • Sunny and a bit cooler Saturday, partly cloudy in the evening, mostly clear late Saturday night,
  • Sunny and a bit cooler Sunday and Monday, mostly clear both nights,
  • Then sunny and a bit cooler Tuesday.
  • free air freezing level 16,000 ft. Saturday and Saturday night, then 15,000 ft. Sunday through Tuesday.
  • highs 88-82 lows 58-55.
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