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Tim Chuey Weather

by | Oct 16, 2023 | Weather

October 17, 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

NONE AT THIS TIME.

HEALTH ADVISORIES

  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR LAKE  EWAUNA 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 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 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 High Pressure Ridge (“Arch” shape) will start some clearing and a warming trend beginning. The graphics for days 1-3  show a frontal system as it moved into Oregon Monday with another one behind it Wednesday. The graphics for days 3-7  Friday through Tuesday show a frontal system moving into the Pacific Northwest Friday through Sunday. Another cold front is shown approaching the coast next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy and slightly cooler today, partly cloudy tonight,
  • Some morning clouds, mostly sunny and a bit warmer Wednesday,mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 69-74 lows 48-52.
  • Partly cloudy and a bit cooler Friday, partly cloudy Friday night,
  • Mostly cloudy with a good (50%) chance of rain and a bit cooler Saturday afternoon, mostly cloudy with a good (50%) chance of rain at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain Sunday, partly cloudy with a good (50%) chance of rain Sunday night,
  • Then a mix of clouds and sun and a bit cooler with a (50%) chance of rain Monday.
  • highs 72-58 lows 52-44 (seasonal averages high 64 low 41)

Forecast for the Umpqua Valley including Roseburg:

  • AM clouds with areas of fog, sunny and a bit warmer this afternoon, mostly clear with patchy fog late tonight,
  • AM clouds with patchy fog, sunny and a bit warmer Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 73-79 lows 54-52 warming back to 54 Wednesday night and Thursday night.
  • Some AM clouds, sunny and a bit cooler Friday afternoon, partly cloudy with a slight (20%) chance of rain late Friday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, a (40%) chance of rain at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday, a (30%) chance of rain Sunday night,
  • Then mostly cloudy and a bit cooler with a (30%) chance of rain Monday.
  • highs 78-80 cooling to 63 Saturday lows near 54 (seasonal averages high 66 low 45)

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

  • AM clouds, sunny and a bit warmer this afternoon, mostly clear this evening, mostly cloudy with patchy fog late tonight,
  • AM clouds, sunny and a bit warmer Wednesday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy Thursday, then partly cloudy Thursday night.
  • highs 70-74 lows near 52.
  • Partly cloudy and a bit cooler Friday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late Friday night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Saturday, a good (50%) chance of rain at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday and Sunday night,
  • Then mostly cloudy and a bit cooler with a (40%) chance of rain Monday.
  • highs 72-63 lows 54-47. (seasonal averages high 63 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Some AM clouds,  sunny and a bit cooler this afternoon, mostly clear tonight,
  • Mostly sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then clear Thursday night.
  • free air freezing level 13,000 ft. rising to 14,000 ft. this afternoon, then 15,000 ft. tonight through Thursday night.
  • highs 62-73 lows 44-47.
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Clouds and sun with a slight (20%) chance of AM rain, a mix of clouds and sun and cooler with a good (50%) chance of rain Saturday afternoon, mostly cloudy with a good (50%) chance of rain at night,
  • Mostly cloudy with AM rain likely (70%), a bit cooler with a good (50%) chance of rain and of snow Sunday afternoon and Sunday night,
  • Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Monday.
  • free air freezing level 14,000 ft. Friday, 13,000 ft. Friday night, snow level above 8,000 ft. Saturday and Saturday night, 7,000 ft. Sunday, 6,000 ft. Sunday, then 5,500 ft. Monday.
  • highs 70-42 lows 45-32.