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Tim Chuey Weather

by | Aug 26, 2023 | Weather

August 26, 2023

Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the the actual weather will conform to the projected forecast.

ADVISORIES

  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 4 PM SUNDAY FOR WILDFIRE SMOKE FOR DOUGLAS COUNTY, JACKSON COUNTY, JOSEPHINE COUNTY, KLAMATH COUNTY, AND LAKE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 4 PM SUNDAY FOR WILDFIRE SMOKE FOR DESCHUTES COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT FOR WILDFIRE FOR SMOKE ALL OF LANE COUNTY UNTIL 4 PM SUNDAY. THIS INCLUDES EUGENE AND SPRINGFIELD.
  • AN AIR QUALITY ADVISORY FOR SMOKE IS IN EFFECT UNTIL 4 PM SUNDAY FOR THE CASCADE FOOTHILLS IN LANE COUNTY AND THE CASCADES IN LANE COUNTY.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL 8 PM THIS EVENING FOR WALLOWA COUNTY.

HEALTH ADVISORIES

  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN EXPANDED FOR THE AREA FROM THE ROSS ISLAND LAGOON TO RIVERPLACE MARINA IN MULTNOMAH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, 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. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS CATCH AND RELEASE FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS. DRINKING WATER FROM THE LAKE IS ESPECIALLY DANGEROUS.
  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR THE WILLAMETTE RIVER FROM ROSS ISLAND DOWNSTREAM (NORTH) TO THE AREA NEAR CATHEDRAL PARK IN PORTLAND, IN MULTNOMAH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, 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. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.DO NOT DRINK THE WATER.
  • A RECREATIONAL USE HEALTH ADVISORY ICONTINUES IN EFFECT FOR ARRONS LAKE, BUT HAS BEEN LIFTED FOR PETE’S SLOUGH AND STURGEON LAKE ON SAUVIE ISLAND DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, 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. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR AGENCY LAKE AND EXTENDED THE ADVISORY FOR THE SOUTHERN PORTION OF UPPER KLAMATH LAKE, FROM HOWARD’S BAY SOUTH TO THE LINK RIVER DAM  IN KLAMATH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE RESERVOIR WHERE BLOOMS ARE, 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. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • 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.

THE WEATHER PATTERN

An Upper Level Low Pressure Trough still sits off the West Coast. Meanwhile wildfire smoke can still push into the Pacific Northwest from various areas depending on the wind direction. The graphics for days 1-3  show a cold front off the Oregon coast Sunday. The graphics for days 3-7   Tuesday through Saturday show a frontal system will be moving southward along the California coast then sliding through Oregon Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly clear and hazy tonight,
  • Mostly sunny and hazy and a bit warmer Sunday, evening haze, mostly clear late Sunday night,
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler Monday afternoon, partly cloudy with a slight (20%) chance of showers late at night,
  • Partly cloudy with a (40%) chance of AM showers, mostly cloudy and a bit cooler with showers likely (70%) Tuesday afternoon, partly cloudy with a good (50%) chance of evening showers, then partly cloudy with a good (50%) chance of showers late Tuesday night.
  • lows 58-56 warming back to 58 Tuesday highs 87-78.
  • Clouds and sun with a (40%) chance of AM showers, a mix of clouds and sun a bit warmer Wednesday afternoon, partly cloudy Wednesday night,
  • A mix of clouds and sun with a slight chance of showers Thursday afternoon, partly cloudy at night,
  • Some AM clouds, mostly sunny and warmer Friday, partly cloudy Friday night,
  • Then mostly sunny and a bit warmer Saturday.
  • highs 80-87 lows near 55.  (seasonal averages high 83 low 51)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear and hazy with patchy evening smoke, partly cloudy and hazy with areas of smoke late tonight,
  • Partly cloudy and hazy with areas of AM smoke, sunny and hazy and a bit cooler with patchy smoke Sunday afternoon, mostly clear and hazy with patchy smoke Sunday night,
  • Some AM clouds with haze and patchy smoke, sunny and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, mostly clear with a (20%) chance of evening showers, then partly cloudy late Tuesday night.
  • lows 60-58 highs 86-80.
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Partly cloudy Thursday, partly cloudy at night,
  • Partly cloudy and a bit warmer Friday and Friday night,
  • Some AM clouds, then sunny and a bit warmer Saturday afternoon.
  • highs 83-89 lows 57-59. (seasonal averages high 85 low 56)

Forecast for the Oregon Coast including Coos Bay and North Bend:

  • Mostly cloudy with coastal haze tonight and patchy dense fog late while inland haze and patchy smoke tonight and patchy fog late,
  • Mostly cloudy with AM coastal haze while AM haze and patchy smoke inland, partly cloudy with coastal haze while inland haze and patchy smoke and a bit warmer Sunday afternoon, mostly cloudy and hazy Sunday night,
  • AM haze, mostly cloudy Monday afternoon, mostly cloudy Monday night with a slight (20%) chance of coastal showers late at night,
  • Mostly cloudy with a slight (20%) chance of showers Tuesday, partly cloudy with a slight (20%) chance of evening showers, then just mostly cloudy late Tuesday night.
  • lows near 57 highs near 75.
  • Partly cloudy and a bit warmer Wednesday, partly cloudy Wednesday night,
  • Then partly cloudy Thursday through Saturday.
  •  highs near 76 lows near 56. (seasonal averages high 68 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear and hazy with areas of smoke and a slight (20%) chance of evening showers and thunderstorms, mostly clear and hazy with areas of smoke late tonight,
  • Hazy with areas of AM smoke, sunny and hazy and a bit warmer Sunday afternoon, mostly clear and hazy with a slight (20%) chance of evening showers and thunderstorms, mostly clear and hazy late Sunday night,
  • Mostly sunny and a bit cooler Monday, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, a good (50%) chance  of showers late at night,
  • A mix of clouds and sun and cooler with a good (50%) chance of showers Tuesday, partly cloudy with a good (50%) chance of evening showers, then a slight (20%) chance of showers late Tuesday night.
  • snow level above 8,000 ft. tonight, free air freezing level  14,000 ft. rising to 15,000 ft. Sunday afternoon, 14,000 ft. late Sunday night, 14,000 ft. rising to 15,000 ft. Monday afternoon, then snow level above 8,000 ft. Monday night through Tuesday night.
  • lows 52-42 highs 82-63.
  • Partly cloudy with a slight (20%) chance of AM showers, mostly sunny and a bit warmer Wednesday afternoon, partly cloudy Wednesday night,
  • A mix of clouds and sun Thursday, partly cloudy late at night,
  • Partly cloudy and a bit warmer Friday, partly cloudy Friday night,
  • Then sunny and a bit warmer Saturday.
  •  snow level above 8,000 ft. Wednesday, free air freezing level 13,000 ft. Wednesday night, 12,000 ft. Thursday and Thursday night, 13,000 ft. Friday and Friday night, then 14,000 ft. Saturday.
  • highs 65-73 lows 42-46.