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Tim Chuey Weather

by | Oct 26, 2023 | Weather

October 27, 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 FROST ADVISORY IS IN EFFECT UNTIL 9 A M 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 WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING 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 FROM 2 AM UNTIL 9 AM TODAY FOR CENTRAL DOUGLAS COUNTY.
  • A FROST ADVISORY IS IN EFFECT FROM 2 AM UNTIL 9 AM TODAY FOR CENTRAL DOUGLAS COUNTY.
  • A FREEZE WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING FOR CENTRAL DOUGLAS COUNTY.
  • 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 FRIDAY NIGHT THROUGH SATURDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST.
  • A FREEZE WARNING IS IN EFFECT UNTIL 10 AM MDT TODAY FOR THE OREGON LOWER TREASURE VALLEY.
  • A FREEZE WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON.
  • A FREEZE WATCH IS IN EFFECT FROM TODAY NIGHT THROUGH SATURDAY MORNING FOR THE WESTERN COLUMBIA RIVER GORGE.
  • A FREEZE WARNING IS IN EFFECT FROM 2AM UNTIL 9 AM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON 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

Upper Level High Pressure takes over. The graphics for days 1-3  show the frontal system that’s moving through the Pacific Northwest overnight and this morning. 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:

  • Some AM clouds with areas of frost, sunny and a bit cooler this afternoon, clear with widespread frost late tonight,
  • Widespread AM frost, sunny and a bit warmer Saturday afternoon, clear with areas of evening frost, widespread frost late at night,
  • Some AM clouds with widespread frost, sunny Sunday afternoon, then mostly clear with widespread frost late Sunday night.
  • highs 53-55 lows 28-32.
  • Widespread AM frost, mostly sunny and a bit warmer Monday afternoon, partly cloudy with areas of frost late Monday night,
  • Areas of AM frost, partly cloudy and a bit warmer Tuesday afternoon, partly cloudy at night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) of rain Wednesday, mostly cloudy with a good (50%) chance of rain Wednesday night,
  • Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) Thursday afternoon.
  • highs 56-60 lows 36-45 (seasonal averages high 60 low 40)

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds with patchy frost, sunny and a bit warmer this afternoon, clear with areas of frost tonight,
  • Patchy AM frost, sunny and a bit warmer Saturday afternoon, clear at night,
  • Sunny and a bit warmer Sunday, then clear Sunday night.
  • highs 55-60 lows 33-35.
  • Sunny and a bit warmer Monday, partly cloudy Monday night,
  • Mostly cloudy Tuesday and at night,
  • Partly cloudy Wednesday, mostly cloudy with a slight (20%) chance of rain Wednesday night,
  • Then mostly cloudy with a good (50%) chance of rain Thursday.
  • highs near 63 lows 40-48 (seasonal averages high 62 low 43)

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

  • Patchy AM inland frost, sunny and a bit warm this afternoon, clear with areas of inland frost tonight,
  • Patchy AM frost, sunny and a bit warmer Saturday afternoon, clear at night,
  • Sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • highs 58-68 lows 36-42.
  • Mostly sunny and a bit cooler Monday, partly cloudy Monday night,
  • Partly cloudy and a bit cooler Tuesday, partly cloudy at night,
  • Partly cloudy start, mostly cloudy and a bit warmer with a slight (20%) chance of rain Wednesday afternoon, a (30%) chance of rain Wednesday night,
  • Then mostly cloudy with a good (50%) chance of rain Thursday.
  • highs 67-64 warming to 66 Wednesday and Thursday lows 42-49. (seasonal averages high 61 low 46)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Widespread AM frost, mostly sunny and a bit cooler this afternoon, clear with wide spread evening frost, just clear late tonight,
  • Sunny and a bit warmer Saturday, clear at night,
  • Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • free air freezing level at the surface rising to 5,000 ft. this afternoon, 4,500 ft. falling to the surface late tonight, at the surface rising to 5,500 ft. Saturday afternoon, 6,500 ft. rising to 7,000 ft. late Saturday night, then 11,000 ft. Sunday and Sunday night.
  • highs 38-46 lows 16-26.
  • Mostly sunny and a bit warmer Monday, mostly clear Monday night,
  • Partly cloudy Tuesday, partly cloudy at night,
  • Partly cloudy with a slight (20%) chance of rain Wednesday, partly cloudy with a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of rain Wednesday night,
  • Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) and a bit cooler Thursday afternoon.
  • free air freezing level 12,000 ft. Monday through Tuesday night, snow level 7,500 ft. Wednesday, 8,000 ft. Wednesday night, then 7,500 ft. Thursday.
  • highs 53-47 lows 30-35.