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Tim Chuey Weather

by | Aug 22, 2023 | Weather

August 22, 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 5 PM THURSDAY FOR WILDFIRE SMOKE FOR DOUGLAS COUNTY, JACKSON COUNTY, JOSEPHINE COUNTY,  AND KLAMATH COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM THURSDAY FOR WILDFIRE SMOKE FOR DESCHUTES COUNTY.
  • A FLOOD WATCH IS IN EFFECT THROUGH 11 PM TONIGHT FOR THE GRANDE RONDE VALLEY, WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE JOHN DAY BASIN, THE OCHOCO, AND THE JOHN DAY HIGHLANDS.
  • A FLOOD WATCH IS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.

HEALTH ADVISORIES

  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR CULLABY LAKE IN CLATSOP  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 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 IS IN EFFECT FOR ARRONS LAKE, 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

Upper Level High Pressure will take over from low pressure and slowly raise our temperatures. 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 moving through Oregon. The graphics for days 3-7   Friday through Tuesday show a frontal system moving through the Pacific Northwest Wednesday. A frontal system will be moving southward along the California coast Saturday and Sunday and then sliding through Oregon next Tuesday

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly clear tonight,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, clear and hazy late Wednesday night,
  • Sunny and a bit warmer Thursday, partly cloudy with a slight (20%) chance of showers late at night,
  • Partly cloudy with a slight (20%) chance of AM showers, just partly cloudy Friday afternoon, then mostly clear Friday night.
  • lows 52-58 highs 84-92.
  • Mostly sunny Saturday, mostly clear late Saturday night,
  • Mostly sunny and a bit cooler Sunday, mostly clear at night,
  • Then partly cloudy and a bit cooler Monday and Tuesday, partly cloudy Monday night.
  • highs 92-82 lows near 57.  (seasonal averages high 83 low 51)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear and hazy tonight,
  • Partly cloudy with AM haze and patchy smoke, sunny and hazy and a bit warmer with patchy smoke Wednesday afternoon, clear and hazy Wednesday night,
  • Sunny and a bit warmer Thursday, mostly clear with a slight (20%) chance of evening thunderstorms, partly cloudy with a slight (20%) chance of thunderstorms late at night,
  • Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
  • lows 53-62 cooling to 60 Friday night highs 87-94 cooling to 92 Friday.
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday and Monday, mostly clear both nights,
  • Some AM clouds, then sunny and a bit cooler Tuesday afternoon.
  • highs 92-84 lows near 59. (seasonal averages high 85 low 57)

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

  • Mostly clear with patchy late evening fog and partly cloudy with patchy coastal late night fog while mostly clear and hazy with inland evening haze and partly cloudy with patchy inland fog late tonight,
  • Patchy AM coastal fog and haze, sunny and hazy and a bit warmer Wednesday afternoon, mostly clear and hazy Wednesday night,
  • Sunny Thursday, partly cloudy with a slight (20%) of evening coastal showers and mostly cloudy with a slight (20%) chance of coastal thunderstorms late at night while partly cloudy inland with a slight (20%) chance of inland thunderstorms at night,
  • Partly cloudy with a slight (20%) chance of AM showers, sunny and a bit cooler Friday afternoon, then partly cloudy Friday night.
  • lows 54-56 highs 78-76.
  • Partly cloudy and a bit cooler Saturday, partly cloudy Saturday night,
  • Partly cloudy Sunday and at night,
  • Then partly cloudy Monday through Tuesday.
  •  highs near 76 lows near 57. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear and hazy tonight,
  • Hazy with areas of AM smoke, sunny and hazy and a bit warmer Wednesday afternoon, mostly clear and hazy Wednesday night,
  • Mostly sunny and a bit warmer with a (40%) chance of showers Thursday afternoon, partly cloudy with a (50%) chance of showers and a slight (20%) chance of thunderstorms at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Friday, then mostly clear Friday night.
  • free air freezing level 12,000 ft. tonight, 12,000 ft. rising to 13,000 ft. Wednesday, 13,000 ft. Wednesday night, snow level above 8,000 ft. Thursday through Friday, free air freezing level 13,000 ft. Friday night.
  • lows 40-52 cooling to 49 Friday night highs 72-80 cooling to 75 Friday.
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Mostly sunny Sunday, mostly clear at night,
  • Mostly sunny and a bit cooler Monday, partly cloudy Monday night,
  • Some AM clouds, then sunny and a bit cooler Tuesday.
  • free air freezing level 14,000 ft. Saturday through Monday night, then 12,000 ft. Tuesday.
  • highs 79-66 lows 50-45.