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November 8, 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

  • An atmospheric river is still aimed at us bringing even more rain. A short break from the rain for your Wednesday. The graphics for days 1-3  show the a frontal system moved through the Pacific Northwest Monday with another following behind it. The graphics for days 3-7   Friday through Tuesday show a complex frontal system will be pushing in Friday, and another complex frontal system will be pushing through next Sunday and Monday. One more front shows up for next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • AM clouds and sun with patchy fog, sunny and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy with patchy fog late tonight,
  • Patchy AM fog, rain and a bit cooler Thursday afternoon and evening (under 0.10 in. of rain possible), showers likely (70%) Thursday night (0.10 in. of rain possible),
  • Mostly cloudy with AM showers likely (70%), a (40%) chance of rain and a bit warmer Friday afternoon, then a good (50%) chance of rain Friday night.
  • highs 55-53 warming to back to 55 Friday lows 35-42.
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Saturday (Veterans Day) and Saturday night,
  • Mostly cloudy with a good (50%) chance of rain Sunday, showers likely (70%) at night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Monday and Monday night,
  • Then mostly cloudy with showers Tuesday.
  • highs 57-54 lows near 43. (seasonal averages high 56 low 39)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy with widespread AM fog, sunny this afternoon, mostly clear with patchy evening fog, mostly cloudy with widespread fog late tonight,
  • Cloudy with patchy AM fog and rain likely (70%), rain Thursday afternoon and evening (under 0.10 in. of rain possible), a good (50%) chance of rain late at night (0.10 in. of rain possible),
  • Mostly cloudy with a (30%) chance of rain Friday afternoon, then a slight (20%) chance of rain Friday night.
  • highs near 55 lows 38-43 cooling to 40 Friday night.
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Saturday (Veterans Day), a (30%) chance of rain Saturday night,
  • Mostly cloudy with a (30%) chance of rain Sunday, a good (50%) chance of rain at night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Monday and Monday night,
  • Then mostly cloudy and a bit warmer with rain Tuesday.
  • highs 58-55 warming to 57 Tuesday  lows 43-45 cooling back to 43 Monday night. (seasonal averages high 57 low 42)

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

  • AM clouds with patchy inland fog, sunny and a bit warmer this afternoon, mostly clear this evening, patchy fog late tonight,
  • Cloudy with widespread AM inland fog, rain and a bit cooler Thursday afternoon and evening (0.10 in. of rain possible), rain likely (70%) late at night (0.25 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of rain Friday, then mostly cloudy with a (30%) chance of rain Friday night.
  • highs near 62 lows 42-45.
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Saturday (Veterans Day) and Saturday night,
  • Mostly cloudy with a good (50%) chance of rain Sunday, rain likely (70%) at night,
  • Mostly cloudy with rain likely (70%) Monday, rain Monday night,
  • Then mostly cloudy with rain Tuesday.
  • highs 64-62 warming to warming back to 64 Tuesday lows near 47 (seasonal averages high 58 low 45)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Some AM clouds, mostly sunny and a bit cooler this afternoon, partly cloudy tonight,
  • Clouds and sun with good (50%) chance of AM rain, cloudy with a good (50%) chance of rain and snow Thursday afternoon, evening rain and snow, rain and snow showers late at night,
  • A mix of clouds and sun with a good (50%) chance of AM showers with snow showers likely (70%), a mix of clouds and sun and a bit cooler with a good (50%) chance of showers and snow showers Friday afternoon, a slight (20%) chance of evening rain and snow showers, then a good (50%) chance of rain and snow showers late Friday night.
  • snow level 3,500 ft. tonight, free air freezing level 5,500 ft. Wednesday afternoon, 8,000 ft. Wednesday night, snow level 4,500 ft. Thursday, 4,500 ft. Thursday night, 4,000 ft. Friday, then 4,500 ft. Friday night.
  • highs 45-39 lows 24-28.
  • Mostly cloudy with a good (50%) chance of AM snow showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Saturday afternoon (Veterans Day), mostly cloudy with a (40%) chance of showers and a (40%) of showers and snow showers Saturday night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of AM rain showers and snow showers Sunday, rain showers and and snow showers likely (70%) at night,
  • Mostly cloudy with AM showers likely (70%) and a (40%) chance of snow showers, showers and snow showers and a bit cooler Monday afternoon, rain and snow showers likely (70%) Monday night,
  • Then mostly cloudy with showers and snow showers Tuesday.
  • snow level 5,000 ft. Saturday, 6,000 ft. Saturday night, 5,500 ft. Sunday, 6,000 ft. Sunday night, 5,500 ft. Monday, then 5,000 ft. Monday night and Tuesday.
  • highs 42-45 cooling to 27 Tuesday lows 29-32 warming to 43 Sunday night and Monday night.