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Tim Chuey Weather

by | Sep 12, 2023 | Weather

September 13, 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 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

Upper Level High Pressure  is poised to take over and bring some warming temperatures. The graphics for days 1-3  show another weak cold front trying to move in between today and tomorrow. The graphics for days 3-7   Saturday through Wednesday show a cold front moving into the Pacific Northwest late Saturday into Sunday and another cold front pushing through Monday into next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Some AM clouds, sunny this afternoon, mostly clear tonight,
  • Then sunny and a bit warmer Thursday and Friday, clear both nights.
  • highs 83-92 lows 50-53.
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, partly cloudy with a slight (20%) chance of showers late at night,
  • Partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler Monday afternoon, partly cloudy Monday night,
  • Then mostly sunny and a bit cooler Tuesday.
  • highs 87-77 lows 52-49 (seasonal averages high 79 low 48)

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds, sunny this afternoon, clear tonight,
  • Sunny and a bit warmer Thursday, clear at night,
  • Sunny Friday, then mostly clear Friday night.
  • highs 83-95 lows 54-57.
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, partly cloudy at night,
  • Partly cloudy and a bit cooler Monday, mostly clear in the evening, partly cloudy late Monday night,
  • Then sunny and a bit cooler Tuesday.
  • highs near 92-80 lows 58-53. (seasonal averages high 81 low 53)

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

  • AM clouds, sunny and a bit warmer this afternoon, mostly clear tonight,
  • Some AM clouds, sunny and a bit warmer Thursday afternoon, clear in the evening, mostly cloudy late at night,
  • AM clouds, sunny and a bit cooler Friday afternoon, then mostly clear Friday night.
  • highs 77-82 cooling to 76 Friday lows 52-54.
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Mostly sunny Sunday, partly cloudy at night,
  • Partly cloudy with a slight (20%) chance of AM showers, becoming sunny Monday afternoon, mostly clear in the evening, partly cloudy late Monday night,
  • Then sunny and a bit cooler Tuesday.
  •  highs 74-72 lows 54-52. (seasonal averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Sunny and a bit warmer today, mostly clear tonight,
  • Sunny and a bit warmer Thursday, clear at night,
  • Sunny and a bit warmer Friday, then mostly clear Friday night.
  • free air freezing level 13,000 ft. rising to 14,000 ft. this afternoon, 14,000 ft. tonight, 14,000 ft. rising to 15,000 ft. Thursday afternoon, 15,000 ft. Thursday night and Friday, then 14,000 ft. Friday  night.
  • highs 72-82 lows 42-52.
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, partly cloudy at night,
  • Partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler Monday afternoon, partly cloudy Monday night,
  • Then mostly sunny and a bit cooler Tuesday.
  • free air freezing level 14,000 ft. Saturday through Sunday, 13,000 ft. Sunday night, snow level above 8,000 ft. Monday, free air freezing level 11,000 ft. Monday night, then 10,000 ft. Tuesday.
  • highs 80-65 lows 50-42.