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Tim Chuey Weather

by | Sep 27, 2023 | Weather

September 28, 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 Low Pressure Trough continues sending marine air our way bringing more rain. The graphics for days 1-3  show the cold front that moved through Oregon Tuesday and the next one due Thursday. The graphics for days 3-7    Sunday through Thursday show a frontal system that will move toward the Pacific Northwest next Tuesday and pushing into Oregon next Wednesday.

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Forecast For The South Willamette Valley Including Eugene-Springfield:

  • A mix of clouds and sun with a good (50%) chance of showers and a bit warmer today (under 0.10 in. of rain possible), showers likely (70%) tonight (0.10 in. of rain possible),
  • Mostly cloudy with showers likely (70%) and a bit cooler Friday (0.25 in. of rain possible), mostly cloudy with a (40%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late at night,
  • Some AM clouds with a slight (20%) chance of showers, mostly sunny and a bit warmer with a slight (20%) chance of showers Saturday afternoon, then becoming mostly clear Saturday night.
  • highs 68-62 warming to 66 Saturday lows 52-42.
  • Mostly sunny and a bit warmer Sunday, partly cloudy Sunday night,
  • Partly cloudy with a slight (20%) chance of showers and a bit warmer Monday, mostly cloudy with a (40%) chance of evening showers, partly cloudy with a (40%) chance of showers late at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of showers Tuesday, partly cloudy with a (40%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Tuesday night,
  • Then a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday.
  • highs 68-72 cooling back to 68 Wednesday lows 44-52 cooling to 49 Tuesday night. (seasonal averages high 74 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • AM clouds with patchy fog and a slight (20%) chance of showers, becoming mostly sunny and a bit warmer with a slight (20%) chance of showers this afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening showers, showers likely (70%) late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with showers likely (70%) and a bit cooler Friday (0.50 in. of rain possible), evening showers likely (70%), a (40%) chance of showers late at night (0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance of showers Saturday afternoon, then mostly clear Saturday night.
  • highs 72-66 lows 53-45.
  • Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
  • AM sun, partly cloudy and a bit warmer Monday afternoon, partly cloudy with a slight (20%) chance of showers at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday and Tuesday night,
  • Then partly cloudy and a bit cooler Wednesday.
  • highs 69-74 cooling to 72 Wednesday lows 47-53. (seasonal averages high 76 low 49)

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

  • Mostly cloudy with patchy AM fog, partly cloudy with a slight (20%) chance of showers and a bit warmer today (under 0.10 in. of rain possible), evening coastal showers likely (70%) while a good (50%) chance of inland evening showers, showers with patchy fog late tonight (0.25 in. of rain possible),
  • Mostly cloudy with AM showers, showers likely (70%) and a bit cooler Friday afternoon (0.25 in. of rain possible), a (40%) chance of showers at night (under 0.10 in. of rain possible),
  • Partly cloudy with a slight (20%) chance of AM showers, sunny and a bit warmer Saturday afternoon, then becoming mostly clear Saturday night.
  • highs 70-67 lows 53-48.
  • Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Partly cloudy with a slight (20%) chance of showers and a bit warmer Monday afternoon, mostly cloudy with a slight (20%) chance of showers at night,
  • Partly cloudy with a slight (20%) chance of showers Tuesday and Tuesday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Wednesday.
  • highs 69-72 cooling back to 69 Wednesday lows 48-54 cooling to 52 Tuesday night. (seasonal averages high 66 low 50)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a slight (20%) chance of showers today, partly cloudy with a good (50%) of evening showers, mostly cloudy with a good (50%) chance of showers late tonight (0.25 in. of rain possible),
  • Mostly cloudy with showers and a bit cooler Friday, cloudy with evening showers likely (70%), a (0%) chance of showers late at night,
  • Clouds and sun with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Saturday afternoon,  partly cloudy with a slight (20%) change of evening showers, just partly cloudy late Saturday night.
  • snow level 6,500 ft. tonight and Thursday, 8,000 ft. Thursday night and Friday, 7,000 ft. Friday night, 6,000 ft. Saturday, then 6,500 ft. Saturday night,
  • highs 54-47 lows 39-32.
  • Partly cloudy with a slight (20%) chance of AM showers, just partly cloudy and a bit warmer Sunday afternoon, partly cloudy Sunday night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Monday, a slight (20%) chance of showers at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday, a slight (20%) chance of showers Tuesday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Wednesday.
  • snow level 7,500 ft. Sunday, free air freezing level 12,000 ft. Sunday night, snow level above 8,000 ft. Monday through Wednesday.
  • highs 53-59 cooling to 56 Wednesday lows 34-39.