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Tim Chuey Weather

by | Oct 29, 2023 | Weather

October 29, 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

Upper Level High Pressure takes over. The graphics for days 1-3  show the no frontal systems moving through or approaching the Pacific Northwest. The graphics for days 3-7   Wednesday through Sunday show a complex frontal system approaching the Pacific Northwest Thursday and pushing through. Another complex frontal system will be offshore Saturday then moving in next Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear with widespread frost late tonight,
  • Widespread AM frost, mostly sunny and slightly warmer Monday afternoon, partly cloudy with areas of frost Monday night,
  • Areas of AM frost, a mix of clouds and sun and a bit warmer Tuesday, mostly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of AM rain, mostly cloudy with a good (50%) of rain Wednesday afternoon, then rain Wednesday night.
  • lows 29-50 highs 57-62.
  • Mostly cloudy with rain Thursday and a slight (20%) chance of afternoon thunderstorms, rain Thursday night,
  • Mostly cloudy with rain likely (70%) Friday through Saturday night,
  • Then mostly cloudy and a bit cooler with rain likely (70%) Sunday.
  • highs 62-60 lows 52-50 (seasonal averages high 59 low 40)

Forecast for the Umpqua Valley including Roseburg:

  • Clear with areas of frost and dense fog late tonight,
  • Areas of AM fog and frost, sunny and a bit warmer Monday afternoon, mostly clear in the evening, partly cloudy late Monday night,
  • Areas of AM frost, mostly cloudy and a bit cooler Tuesday (Halloween), mostly cloudy at night,
  • Mostly cloudy and a bit warmer with a slight (20%) chance of rain Wednesday, a good (50%) of evening rain, then rain late Wednesday night.
  • lows 34-53 highs 64-62 warming to 65 Wednesday.
  • Mostly cloudy with AM rain, showers and a bit cooler Thursday afternoon, showers likely (70%) Thursday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Friday, rain likely (70%) at night,
  •  Mostly cloudy with rain Saturday, showers likely (70%) Saturday night,
  • Then mostly cloudy and a bit cooler with showers likely (70%) Sunday.
  • highs 63-60 lows 55-52 (seasonal averages high 61 low 43)

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

  • Clear tonight,
  • Sunny and a bit warmer Monday, partly cloudy in the evening, mostly cloudy late Monday night,
  • Mostly cloudy and a bit cooler Tuesday (Halloween), mostly cloudy at night,
  • Mostly cloudy with a (40%) chance of rain Wednesday and in the evening, then rain late Wednesday night,
  • lows 42-54 highs 66-63 warming t0 67 Wednesday.
  • Mostly cloudy with AM rain, showers and a bit cooler Thursday afternoon, cloudy with a (50%) showers Thursday night,
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Friday afternoon, rain likely (70%) at night,
  • Mostly cloudy with rain Saturday, showers likely (70%) Saturday night,
  • Then mostly cloudy with showers likely (70%) Sunday.
  • highs 66-68 cooling to 65 Sunday lows 54-52. (seasonal averages high 60 low 46)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear tonight,
  • Sunny and a bit warmer Monday, clear in the evening, partly cloudy late Monday night,
  • A mix of clouds and sun and a bit warmer Tuesday (Halloween), mostly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of AM rain, a bit cooler with a good (50%) chance of rain Wednesday afternoon, then rain Wednesday night.
  • free air freezing level 11,000 ft. rising to 12,000 ft. late tonight, 12,000 ft. Monday, 13,000 ft. falling to 12,000 ft. Monday night, 11,000 ft. Tuesday, snow level 7,500 ft. Tuesday night, then 8,000 ft. Wednesday and Wednesday night.
  • lows 27-35 highs 47-56 cooling to 54 Tuesday.
  • Mostly cloudy with rain and a bit cooler with a slight (20%) chance of thunderstorms Thursday afternoon and evening, rain Thursday night,
  • Mostly cloudy with rain Friday, rain likely (70%) at night,
  • Mostly cloudy and a bit warmer with rain Saturday, rain Saturday night,
  • Then mostly cloudy and a bit cooler with rain likely (70%) Sunday.
  • snow level  above 8,000 ft. Thursday and Thursday night, 8,000 ft. Friday, above 8,000 ft. Friday night, 8,000 ft. Saturday, 7,500 ft. Saturday night, then 7,000 ft. Sunday.
  • highs 52-48 lows 42-37.