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Tim Chuey Weather

by | Sep 9, 2023 | Weather

September 9, 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

An Upper Level Low Pressure Trough offshore remains in control. Continued onshore airflow continues normal temperatures and surface high pressure continue a little warming today. The graphics for days 1-3  show a weak cold front moves in Sunday The graphics for days 3-7   Tuesday through Saturday show a cold front as it pushes into the Pacific Northwest Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear tonight,
  • Patchy AM fog, partly cloudy and a bit cooler Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
  • A mix of clouds and sun with a slight (20%) chance of showers and a bit cooler Monday, partly cloudy at night,
  • Some AM clouds, mostly sunny and a bit warmer Tuesday, then partly cloudy Tuesday night.
  • lows 52-56 cooling to 53 Tuesday night highs 82-78 warming back to 80 Tuesday.
  • Mostly sunny and a bit warmer Wednesday, Thursday, and Friday, mostly clear each night,
  • Then mostly sunny Saturday.
  • highs 82-88 lows 52-54 (seasonal averages high 80 low 49)

Forecast for the Umpqua Valley including Roseburg:

  • Clear with patchy fog late tonight,
  • Patchy AM fog, partly cloudy and a bit cooler Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers Sunday night,
  • Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, mostly cloudy and a bit cooler with a slight (20%) chance of showers Monday afternoon, just partly cloudy at night,
  • Some AM clouds with patchy fog, sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
  • lows 57-55 highs 86-80 warming to 82 Tuesday.
  • Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
  • Sunny and a bit warmer Friday, mostly clear Friday night,
  • Then mostly sunny and a bit cooler Saturday.
  • highs near 84-92 cooling to 90 Saturday lows 55-58. (seasonal averages high 82 low 54)

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

  • Mostly cloudy with patchy coastal fog tonight while mostly clear with inland evening patchy fog and becoming mostly cloudy with patchy inland fog late tonight,
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer Sunday afternoon, mostly cloudy with patchy fog and a (40%) chance of showers late Sunday night while mostly cloudy with a slight (20%) chance of inland showers Sunday night,
  • Patchy AM fog, mostly cloudy and a bit cooler with a (30%) chance of showers Monday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late at night,
  • AM clouds and patchy fog, mostly sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
  • lows 54-58 cooling to 54 Monday night warming to 56 Tuesday night highs 77-73 warming to 75 Tuesday.
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Then sunny and a bit cooler Saturday.
  •  highs 77-75 lows near 55. (seasonal averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear tonight,
  • Mostly sunny and a bit cooler Sunday, just partly cloudy Sunday night,
  • A mix of clouds and sun and a bit cooler Monday, partly cloudy at night,
  • AM clouds, sunny and a bit cooler Tuesday afternoon, then clear Tuesday night.
  • free air freezing level 13,000 ft. tonight through Tuesday night.
  • lows 47-42 highs 72-66.
  • Mostly sunny and a bit warmer Wednesday, Thursday, and Friday, clear each night,
  • Them mostly sunny Saturday.
  • free air freezing level 14,000 ft. Wednesday through Saturday.
  • highs 70-79 lows 45-50.