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October 9, 2022

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

  • AN AIR QUALITY ADVISORY FOR WILDFIRE SMOKE IS IN EFFECT UNTIL 5 PM WEDNESDAY FOR ALL OF LANE COUNTY.

HEALTH ADVISORIES

  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR WILLOW CREEK RESERVOIR IN MORROW COUNTY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE, AS THE MAJOR RISK OF EXPOSURE IS FROM INGESTING WATER. THESE TOXINS ARE NOT ABSORBED THROUGH THE SKIN. HOWEVER, IF YOU HAVE SKIN SENSITIVITIES  YOU MAY GET A PUFFY RED RASH. IT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SPECIAL CARE SHOULD BE TAKEN WITH CHILDREN, ESPECIALLY THE YOUNGER ONES, WHEN THEY ARE NEAR THE WATER.
  • PUBLIC HEALTH ADVISORIES THAT WERE ISSUED FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT ROCKAWAY BEACH IN TILLAMOOK COUNTY AND IN OCEAN WATERS AT SHORT SAND BEACH IN TILLAMOOK COUNTY HAVE BEEN LIFTED.
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ALL OF UPPER KLAMATH LAKE IN KLAMATH COUNTY INCLUDING SHOALWATER BAY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE, AS THE MAJOR RISK OF EXPOSURE IS FROM INGESTING WATER. THESE TOXINS ARE NOT ABSORBED THROUGH THE SKIN. HOWEVER, IF YOU HAVE SKIN SENSITIVITIES  YOU MAY GET A PUFFY RED RASH. IT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SPECIAL CARE SHOULD BE TAKEN WITH CHILDREN, ESPECIALLY THE YOUNGER ONES, WHEN THEY ARE NEAR THE WATER.
  • NOTE: THE RECREATIONAL HEALTH ADVISORY ISSUED FOR THE WILLAMETTE RIVER NEAR CATHEDRAL PARK IN NORTH PORTLAND  AND UPSTREAM (SOUTH) TO THE WILLAMETTE COVE AREA NEAR THE SP&S RAILROAD BRIDGE DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS HAS BEEN LIFTED. IT IS VERY IMPORTANT FOR PEOPLE TO BECOME FAMILIAR WITH SIGNS OF BLOOM, EXPOSURES, AND SYMPTOMS BY VISITING OHA’S CYANOBACTERIA HARMFUL ALGAE BLOOM WEBSITE AT:  http://www.healthoregon.org/hab.
  • A PERMANENT RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE SOUTH UMPQUA RIVER AND MAINSTEM UMPQUA RIVER. THE ADVISORY COVERS THE SOUTH UMPQUA RIVER FROM CANYONVILLE DOWNSTREAM TO THE CONFLUENCE OF THE MAINSTEM UMPQUA RIVER, AND THE MAINSTEM UMPQUA RIVER DOWNSTREAM PAST ELKTON TO LAWSON BAR. PEOPLE IN THE BEDROCK ALONG THE RIVERS EDGE ARE ARE KNOWN TO DEVELOP CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED AT SEVERAL ACCESS AREAS ALONG THE RIVER.

THE WEATHER PATTERN

  • An Upper Level High Pressure Ridge (“Arch” shape) continues giving us above normal temperatures. The graphics for days 1-3 show no frontal activity in Oregon through the period, but a cold front to our northwest Monday should fall apart as it approaches Oregon. The graphics for days 3-7  Wednesday through Sunday show no frontal systems approaching the Pacific Northwest until a cold front positions itself to our northeast Sunday and a complex frontal system will be to the northwest the Pacific Northwest between next Sunday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly clear and with haze and patchy fog late tonight,
  • A mix of clouds and sun and hazy with patchy AM fog, partly cloudy and hazy and a bit cooler Monday afternoon (Columbus Day/Indigenous Peoples Day), partly cloudy with patchy drizzle Monday night,
  • AM clouds with patchy fog, mostly sunny and a bit cooler Tuesday afternoon, clear at night,
  • Mostly sunny and a bit warmer Wednesday, then clear Wednesday night.
  • lows 50-44 warming to 46 Wednesday night highs 78-72 warming to 77 Wednesday.
  • Mostly sunny and a bit warmer Thursday, clear Thursday night,
  • Mostly sunny Friday, mostly clear at night,
  • Mostly sunny and a bit warmer Saturday, mostly clear at night,
  • Then partly cloudy and a bit cooler Sunday.
  • highs 78-80 cooling to 74 Sunday  lows near 47 (Seasonal Averages high 68 low 43)

Forecast for the Umpqua Valley including Roseburg:

  • Clear and hazy with patchy smoke tonight,
  • Hazy with widespread AM fog and patchy smoke, sunny and hazy and a bit cooler Monday afternoon (Columbus Day/Indigenous Peoples Day), mostly clear in the evening, partly cloudy with patchy fog late Monday night,
  • AM clouds with patchy fog, sunny and a bit cooler Tuesday afternoon, clear at night,
  • Sunny and warmer Wednesday, then clear Wednesday night.
  • lows 52-54 cooling to 50 Tuesday night warming to 52 Wednesday night highs 78-73 warming to 84 Wednesday.
  • Sunny and a bit cooler Thursday, clear Thursday night,
  • Mostly sunny Friday, mostly clear Friday night,
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Then partly cloudy and a bit cooler Sunday.
  • highs 83-84 cooling to 77 Sunday lows near 52. (Seasonal Averages high 70 low 47).

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

  • Mostly clear with coastal evening haze and patchy fog and partly cloudy with areas of late evening fog changing to widespread fog late tonight while, mostly clear with haze wide spread inland fog late tonight,
  • Partly cloudy widespread AM coastal fog while partly cloudy and hazy with widespread AM inland fog, sunny and warmer Monday afternoon (Columbus Day/Indigenous Peoples Day), partly cloudy in the evening, mostly cloudy with patchy fog late Monday night,
  • Some AM clouds with patchy fog, sunny and a bit warmer Tuesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • lows near 53 highs 69-76.
  • Mostly sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy late Thursday night,
  • Mostly sunny and a bit warmer Friday, mostly clear at night,
  • Sunny and a bit cooler Saturday, partly cloudy in the evening, mostly cloudy late Saturday night,
  • Then mostly cloudy and a bit cooler Sunday.
  • highs 74-75 cooling to 72 Sunday lows near 53. (Seasonal Averages high 64 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear and hazy with areas of smoke tonight,
  • Mostly sunny and hazy with areas of smoke and a bit cooler Monday (Columbus Day/Indigenous Peoples Day), partly cloudy with patchy drizzle and areas of smoke Monday night,
  • Some AM clouds with areas of AM smoke, sunny Tuesday afternoon, clear Tuesday night,
  • Sunny and warmer Wednesday, then mostly clear Wednesday night.
  • free air freezing level 13,000 ft. tonight, 14,000 ft. Monday and Monday night, 15,000 ft. Tuesday through Wednesday night.
  • lows 45-40 warming back to 45 Wednesday night highs 66-74.
  • Sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Mostly sunny Friday, mostly clear at night,
  • Sunny Saturday, mostly clear Saturday night,
  • Then mostly sunny and a bit cooler Sunday.
  • free air freezing level 15,000 ft. Thursday through Saturday night, then 14,000 ft. Sunday.
  • highs 73-69 lows near 45.
  • For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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8/ 22 Plenty of sunshine, but cooler to start your workweek today.

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  • For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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Mostly clear again tonight, then sunshine and slightly cooler for your Friday.

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

  • Becoming mostly cloudy late tonight,
  • Some AM clouds, sunny and a bit warmer Friday afternoon, clear in the evening, partly cloudy late Friday night,
  • Mostly cloudy start, partly cloudy and slightly cooler Saturday afternoon, mostly clear at night,
  • Mostly sunny Sunday, then mostly clear Sunday night.
  • lows 54-56 cooling back to 54 Sunday night highs 70-69.
  • Mostly sunny and a bit warmer Monday, mostly clear Monday night,
  • Partly cloudy and slightly cooler Tuesday, partly cloudy at night,
  • Then partly cloudy Wednesday through Thursday.
  • highs 73-72 lows 54-56 cooling back to 54 Wednesday night. (Seasonal Averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Mostly sunny and a bit cooler Friday, clear Friday night,
  • Sunny and a bit warmer Saturday, mostly clear at night,
  • Some AM clouds, mostly sunny and a bit cooler Sunday, then clear Sunday night.
  • free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. rising to 15,000 ft. Friday afternoon, 15,000 ft. Friday night through Sunday, then 16,000 ft. Sunday night.
  • lows 49-47 highs 74-72 warming back to 74 Sunday.
  • Sunny and a bit warmer Monday, clear Monday night,
  • Sunny Tuesday, mostly clear at night,
  • Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
  • free air freezing level 16,000 ft. Monday through Thursday.
  • highs 80-75 lows 53-50.