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Tim Chuey Weather

by | Sep 19, 2023 | Weather

September 19, 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 WATCH IS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING FOR THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL NOON WEDNESDAY DUE TO WILDFIRE SMOKE FOR CROOK COUNTY AND DESCHUTES COUNTY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 11 PM WEDNESDAY DUE TO WILDFIRE SMOKE FOR CURRY COUNTY AND JOSEPHINE COUNTY.

HEALTH ADVISORIES

  • 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 is moving eastward to be followed by Low Pressure allowing for some cooling. The graphics for days 1-3  show a cold front moving through the Pacific Northwest today and one behind it. The graphics for days 3-7   Friday through Tuesday show the frontal activity Sunday and Monday with a complex frontal system to our northwest Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy with a good (50%) chance of scattered showers late tonight (under 0.10 in. of rain possible),
  • Partly cloudy with patchy AM fog and a slight (20%) chance of isolated showers, partly cloudy and a bit cooler with a slight (20%) chance of isolated showers Wednesday afternoon (under 0.10 in. of rain possible), becoming mostly clear with patchy fog late Wednesday night,
  • Patchy AM fog, mostly sunny and a bit warmer Thursday afternoon, mostly clear at night,
  • Sunny and a bit warmer Friday, then partly cloudy with a slight (20%) chance of rain late Friday night.
  • lows 48-44 warming back to 48 Friday night highs 70-79.
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a (40%) of showers Saturday afternoon, mostly cloudy with a (40%) chance of rain Saturday night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday, mostly cloudy with a good (50%) chance of rain late at night,
  • Mostly cloudy with a good (50%) chance of rain Monday, mostly cloudy with rain likely (70%) Monday night,
  • Mostly cloudy with AM rain likely (70%), rain with a slight (20%) chance of thunderstorms Tuesday afternoon.
  • highs 75-72 lows 50-52.  (seasonal averages high 77 low 47)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy with a (30%) chance of rain late tonight,
  • Mostly cloudy with a slight (20%) chance of AM rain, sunny and a bit cooler Wednesday afternoon, mostly clear Wednesday night,
  • Patchy AM fog, sunny and a bit warmer Thursday afternoon, mostly clear at night,
  • Sunny and a bit warmer Friday, mostly clear in the evening, then partly cloudy with a slight (20%) chance of rain late Friday night.
  • lows 49-47 warming to 50 Friday night highs 72-82.
  • Some AM clouds with a slight (20%) chance of rain, mostly cloudy with a slight (20%) chance of rain and a bit cooler Saturday afternoon, and Saturday night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of rain Sunday, mostly cloudy with a slight (20%) chance of rain at night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Monday, rain likely (70%) Monday night,
  • Mostly cloudy with AM rain likely (70%), then rain and a bit cooler Tuesday afternoon.
  • highs 77-72 warming to 74 Monday cooling to 72 Tuesday lows 53-55. (seasonal averages high 80 low 52)

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

  • Partly cloudy this evening, mostly clear late tonight,
  • Some AM clouds with a slight (20% ) chance of rain, sunny Wednesday afternoon, becoming mostly clear Wednesday night,
  • AM clouds with patchy fog, sunny Thursday afternoon, mostly clear with patchy inland fog late at night,
  • AM clouds and patchy fog, sunny and a bit warmer Friday afternoon, mostly clear in the evening, then partly cloudy with a slight (20%) chance of rain late Friday night.
  • lows 52-49 warming back to 52 Friday night highs 72-75.
  • Mostly cloudy and a bit cooler with a (40% ) chance of rain  Saturday, a good (50%) chance of rain Saturday night,
  • Mostly sunny and a bit warmer with a good (50%) chance of rain Sunday and at night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Monday afternoon, then mostly cloudy with rain and breezy Monday night and Tuesday.
  •  highs near 72 lows 53-56. (seasonal averages high 67 low 51)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a slight (20%) chance of isolated showers late tonight,
  • Mostly cloudy with a good (50%) chance of scattered AM showers, partly cloudy and a bit cooler with a good (50%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Wednesday night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Thursday and in the evening, just partly cloudy late at night,
  • Mostly sunny and a bit warmer Friday, then partly cloudy Friday night.
  • snow level 7,000 ft. late tonight, 6,500 ft. Wednesday, 6.000 ft. Wednesday night, 6,500 ft. Thursday, 7,000 ft. Thursday night, free air freezing level 10,000 ft. Friday, then 11,000 ft. Friday night.
  • lows 33-38 highs 50-63.
  • Partly cloudy with a slight (20%) chance of  AM showers, a (40%) chance of showers and a bit cooler Saturday afternoon, mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late Saturday night,
  • A mix of clouds and sun and a bit cooler with a (40%) chance of rain Sunday, mostly cloudy with a good (50%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of rain and a bit warmer Monday, rain likely (70%) Monday night,
  • Then rain likely (70%) and a bit cooler Tuesday.
  • snow level 7,500 ft. Saturday, 8,000 ft. Saturday night and Sunday above 8,000 ft. Sunday night through Monday night, then 8,000 ft. Tuesday.
  • highs 62-55 warming to 59 Monday cooling to 53 Tuesday lows 39-42.
  • highs 62-69 lows 38-44.