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Tim Chuey Weather

by | Sep 29, 2023 | Weather

September 30, 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 FROM MONDAY MORNING THROUGH MONDAY EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE SOUTHERN BLUE MOUNTAINS OF OREGON.

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 will be bringing sunshine and drying conditions. The graphics for days 1-3  show the cold front that moved through northern California and continued southward. The graphics for days 3-7  Tuesday through Saturday show a frontal system that will try to move toward the Pacific Northwest from the north-northeast Friday and next Saturday.

Note: LRAPA has delayed the Fall Outdoor Burning Season until October 15th.

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Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly sunny and a bit warmer today, mostly clear tonight,
  • Patchy AM fog, partly cloudy Sunday, partly cloudy at night,
  • Mostly cloudy with a good (50%) chance of showers Monday, then mostly cloudy with a good (50%) chance of showers Monday night.
  • highs 62-68 lows 42-52.
  • Clouds and sun with a (30%) chance of AM showers, a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Tuesday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Tuesday night,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, mostly clear at night,
  • Then mostly sunny and a bit warmer Thursday and Friday, mostly clear Thursday night.
  • highs 70-78 lows near 50. (seasonal averages high 73 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy with a slight (20%) chance of AM showers, becoming sunny and a bit warmer this afternoon, mostly clear tonight,
  • Patchy AM fog, sunny Sunday afternoon, mostly clear in the evening, partly cloudy with patchy fog late at night,
  • Mostly cloudy with patchy AM fog, a bit warmer with a slight (20%) showers Monday afternoon, then a slight (20%) chance of showers Monday night.
  • highs 68-70 lows 45-52.
  • Partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
  • Mostly sunny and a bit warmer Wednesday, mostly clear at night,
  • Then mostly sunny Thursday and Friday, mostly clear Thursday night.
  • highs 74-84 lows near 53. (seasonal averages high 75 low 49)

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

  • Some AM clouds, sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy late tonight with patchy inland fog late,
  • Patchy AM fog, sunny Sunday afternoon, mostly clear in the evening, partly cloudy with patchy inland fog late at night,
  • Patchy AM fog, mostly cloudy and a bit warmer with a slight (20%) chance of showers Monday afternoon, then mostly cloudy with a slight (20%) chance of showers Monday night.
  • highs 68-70 lows 47-53.
  • Partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Tuesday afternoon, mostly clear in the evening, just partly cloudy late Tuesday night,
  • Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
  • Then sunny and a bit warmer Friday.
  • highs 72-78 lows 53-56 cooling to 54 Thursday night. (seasonal averages high 66 low 49)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • A mix of clouds and sun and a bit warmer with a good (50%) chance of showers today, partly cloudy with patchy frost late tonight,
  • Patchy AM frost, mostly sunny and a bit warmer Sunday afternoon, partly cloudy with areas of frost late at night,
  • A mix of clouds and sun with a slight (20%) chance of showers Monday, then mostly cloudy with a good (50%) chance of showers Monday night.
  • snow level 7,000 ft. today, free air freezing level 8,000 ft. tonight, 8,000 ft. rising to 9,000 ft.  Sunday afternoon, 10,000 ft. rising to 11,000 ft. late Sunday night, then snow level above 8,000 ft. Monday and Monday night.
  • highs 48-55 lows 32-39.
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer Tuesday afternoon, partly cloudy Tuesday night,
  • Some AM clouds, mostly sunny and a bit warmer Wednesday, mostly clear at night,
  • Then mostly sunny Thursday and Friday, mostly clear Thursday night.
  • snow level above 8,000 ft. Tuesday free air freezing level 14,000 ft. Tuesday night through Thursday night then 15,000 ft. Friday.
  • highs 60-69 lows near 42.