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Tim Chuey Weather

by | Oct 17, 2023 | Weather

October 18, 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

  • A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH 6 PM THIS EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH THIS AFTERNOON FOR THE NORTH OREGON COAST, AND THE CENTRAL OREGON COAST.
  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY BELOW 1,000 FT. FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE  SOUTH WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS IN LANE COUNTY.

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  Saturday through Wednesday show frontal activity Saturday and Sunday. Another front will be pushing through the Pacific Northwest next Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Areas of AM fog, partly cloudy and a bit warmer this afternoon, partly cloudy tonight,
  • AM clouds and sun with patchy fog, sunny and a bit warmer Thursday afternoon, clear in the evening, partly cloudy with patchy dense fog late at night,
  • Patchy AM dense fog, a mix of clouds and sun and a bit cooler Friday, partly cloudy in the evening, mostly cloudy late Friday night.
  • highs 74-76 lows 49-52.
  • Mostly cloudy with a slight (20%) chance of rain and a bit cooler Saturday afternoon, mostly cloudy with a good (50%) chance of evening rain, rain likely (70%) late Saturday night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Sunday, mostly cloudy with a good (50%) chance of evening rain, partly cloudy with a good (50%) chance of rain at night,
  • A mix of clouds and sun and a bit cooler with a (50%) chance of rain Monday, mostly cloudy with a (50%) chance of rain Monday night,
  • Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) and a bit cooler Tuesday afternoon.
  • highs 68-57 lows 52-45 (seasonal averages high 64 low 41)

Forecast for the Umpqua Valley including Roseburg:

  • Patchy fog, sunny and a bit warmer this afternoon, mostly clear tonight,
  • Mostly sunny and a bit warmer Thursday, mostly clear at night,
  • Partly cloudy and a bit cooler Friday, then partly cloudy Friday night.
  • highs 77-79 cooling back to 77 Friday lows 53-55.
  • Mostly cloudy and a bit cooler Saturday, rain likely (70%) Saturday night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Sunday, a (40%) chance of rain at night,
  • Partly cloudy and a bit cooler with a (30%) chance of rain Monday, a (40%) rain at night,
  • Then mostly cloudy with a good (50%) chance of rain Tuesday.
  • highs 70-57 lows 54-47 (seasonal averages high 66 low 45)

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

  • Patchy AM fog, partly cloudy and a bit warmer this afternoon, partly cloudy tonight,
  • Sunny Thursday, partly cloudy at night,
  • Partly cloudy and a bit warmer Friday and in the evening, then mostly cloudy late Friday night.
  • highs 72-74 lows 50-53.
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, rain likely (70%) Saturday night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Sunday, a (40%) chance of rain at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Monday, partly cloudy with a good (50%) chance of rain Monday night,
  • Then mostly cloudy with rain likely (70%) Tuesday.
  • highs 68-62 lows 52-46. (seasonal averages high 63 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today, mostly clear tonight,
  • Mostly sunny and a bit warmer Thursday, clear at night,
  • Mostly sunny start, partly cloudy and a bit cooler Friday a4fternoon, then partly cloudy Friday night,
  • free air freezing level 15,000 ft. today through Thursday night, 14,000 ft. Friday, then 13,000 ft. Friday night.
  • highs 72-74 cooling to 70 Friday lows 48-46.
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Saturday, mostly cloudy with a good (50%) chance of evening rain, rain likely (70%) Saturday night,
  • Mostly cloudy with rain likely (70%) Sunday and in the evening, a good (50%) chance of rain and snow at night,
  • Mostly cloudy with a good (50%) chance of AM snow, a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Monday afternoon, a good (50%) chance of rain Monday night,
  • Then mostly cloudy and a bit cooler with rain and snow likely (70%) Tuesday.
  • snow level above 8,000 ft. Saturday and Saturday night, 7,000 ft. Sunday, 6,000 ft. Sunday night and Monday, then 5,500 ft. Monday night and Tuesday.
  • highs 62-42 lows 40-30.