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Tim Chuey Weather

by | Oct 27, 2023 | Weather

October 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

  • A FREEZE WARNING IS IN EFFECT UNTIL 9 AM TODAY 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, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE CENTRAL COLUMBIA RIVER GORGE.
  • A FREEZE WARNING IS IN EFFECT UNTIL 9 AM TODAY FOR THE GREATER PORTLAND METRO AREA.
  • A FREEZE WARNING IS IN EFFECT FROM 2 AM UNTIL 9 AM TODAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • A FREEZE WARNING IS IN EFFECT UNTIL 9 AM TODAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
  • A FROST ADVISORY IS IN EFFECT FROM 2AM UNTIL 9 AM TODAY FOR THE SOUTH CENTRAL OREGON COAST.
  • A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST.

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 frontal system that’s moving through the Pacific Northwest. The graphics for days 3-7   Monday through Friday show a complex frontal system approaching the Pacific Northwest Thursday and pushing through next Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Widespread AM frost, sunny and a bit warmer this afternoon, clear with widespread frost late tonight,
  • Widespread AM and late night frost, sunny and a bit warmer Sunday afternoon, clear at night,
  • Widespread AM frost, partly cloudy Monday afternoon, then partly cloudy Monday night.
  • highs 54-57 lows 28-34.
  • A mix of clouds and sun and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Mostly cloudy and a bit warmer with a good (50%) of rain Wednesday, a good (50%) chance of evening rain, rain likely (70%) late at night,
  • Mostly cloudy with rain and a bit cooler Thursday, rain likely (70%) Thursday night,
  • Then mostly cloudy and a bit cooler with rain likely (70%) Friday.
  • highs 59-62 cooling back to 59 Friday lows 39-48 (seasonal averages high 60 low 40)

Forecast for the Umpqua Valley including Roseburg:

  • Widespread AM frost, sunny and warmer this afternoon, clear with widespread frost late tonight,
  • Widespread AM frost, sunny and a bit warmer Sunday afternoon, clear with areas of frost late at night,
  • Areas of AM frost, sunny and a bit warmer Monday afternoon, partly cloudy Monday night.
  • highs 56-63 lows 32-42.
  • Mostly cloudy Tuesday (Halloween), partly cloudy Tuesday night,
  • Mostly cloudy with a slight (20%) chance of rain Wednesday afternoon, cloudy with a (40%) chance of rain at night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Thursday, a good (50%) chance of rain Thursday night,
  • Then mostly cloudy and a bit warmer with a (30%) chance of rain Friday.
  • highs 63-57 warming to 60 Friday lows 44-52 cooling to 49 Thursday night (seasonal averages high 61 low 43)

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

  • Areas of AM frost, sunny and a bit warmer this afternoon, clear tonight,
  • Sunny Sunday, mostly clear at night,
  • Sunny and a bit warmer Monday, then mostly cloudy Monday night.
  • highs 62-68 lows 38-43.
  • Mostly cloudy and a bit cooler Tuesday (Halloween), mostly cloudy Tuesday night,
  • Mostly cloudy with a slight (20%) chance of rain Wednesday afternoon, cloudy with a good (50%) chance of evening rain, rain likely (70%) at night,
  • Mostly cloudy with AM rain, rain likely (70%) and a bit cooler Thursday afternoon, a good (50%) chance of rain Thursday night,
  • Then mostly cloudy and a bit warmer with a (30%) chance of rain Friday.
  • highs 66-59 warming to 62 Friday lows 46-55 cooling to 50 Thursday night. (seasonal averages high 61 low 46)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Sunny and a bit warmer today, clear tonight,
  • Sunny and a bit warmer Sunday, clear at night,
  • Mostly sunny and a bit warmer Monday, then partly cloudy Monday night.,
  • free air freezing level 3,500 ft. rising to 6,500 ft. this afternoon, 7,500 ft. rising to 8,000 ft. late tonight, 9,000 ft. rising to 11,000 ft. Sunday afternoon, 11,000 ft. Sunday night, 13,000 ft. Monday, then 12,000 ft. Monday night.
  • highs 38-55 lows 22-32.
  • An mix of clouds and sun Tuesday (Halloween), partly cloudy Tuesday night,
  • A mix of clouds and sun with a slight (20%) chance of rain Wednesday, a good (50%) chance of evening rain, rain likely (70%) late at night,
  • Mostly cloudy with rain and a bit cooler Thursday, rain Thursday night,
  • Then mostly cloudy with rain likely (70%) Friday.
  • free air freezing level 12,000 ft. Tuesday, 11,000 ft. Tuesday night, snow level 8,000 ft. Wednesday, above 8,000 ft. Wednesday night and Thursday, 8,000 ft. Thursday night, then 7,500 ft. Friday.
  • highs 55-47 lows 33-39 cooling to 35 Thursday night.