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October 15, 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

  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A RED FLAG WARNING IS IN EFFECT FROM 2 AM TODAY UNTIL 6 AM SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WILLAMETTE NATIONAL FOREST, THE NORTH OREGON CASCADE FOOTHILLS, AND THE MT. HOOD NATIONAL FOREST WEST OF CASCADE CREST.
  • AN AIR QUALITY ADVISORY IS IN EFFECT FOR WILDFIRE SMOKE FROM 6 AM SUNDAY UNTIL 5 PM MONDAY FOR BENTON, LINN, MARION, POLK, AND YAMHILL COUNTIES.
  • AN AIR QUALITY ADVISORY FOR WILDFIRE SMOKE IS IN EFFECT UNTIL 5 PM MONDAY FOR ALL OF LANE COUNTY, CLACKAMAS COUNTY, COLUMBIA COUNTY, MULTNOMAH COUNTY, AND WASHINGTON COUNTY.
  • AN AIR QUALITY ALERT FOR WILDFIRE SMOKE IS IN EFFECT THROUGH MONDAY MORNING FOR DOUGLAS COUNTY.
  • AN AIR QUALITY ALERT FOR WILDFIRE SMOKE IS IN EFFECT THROUGH SATURDAY NIGHT FOR COOS 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 systems near Oregon. The graphics for days 3-7  Tuesday through Saturday show no frontal systems approaching the Pacific Northwest until a cold front positions itself offshore to our northwest Tuesday. Then a front will be to our northwest Thursday and Friday then pushing through next Saturday.
  • With wildfires, one to the north near the Columbia River in Washington and the other to our southeast The Cedar Creek fire, we can expect intrusions of smoke on and off for the foreseeable future.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly sunny and hazy and a bit warmer with patchy smoke today, clear and hazy with patchy smoke tonight,
  • Mostly sunny and hazy and a bit cooler with patchy smoke Sunday, mostly clear with patchy fog and smoke and hazy late at night,
  • Patchy AM fog, a mix of clouds and sun and a bit cooler with patchy smoke Monday afternoon, partly cloudy with patchy fog late Monday night,
  • highs 86-72 lows 47-48.
  • Patchy AM fog, a mix of clouds and sun and a bit warmer Tuesday afternoon, partly cloudy with patchy fog Tuesday night,
  • Partly cloudy with patchy AM fog, sunny and a bit warmer Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Patchy AM fog, then partly cloudy and a bit cooler Friday.
  • highs 75-76 cooling to 72 Friday lows near 46. (Seasonal Averages high 65 low 42)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and a bit warmer and hazy today, clear and hazy tonight,
  • Sunny and hazy and a bit cooler Sunday, mostly clear in the evening, partly cloudy with patchy fog late at night,
  • Mostly cloudy and a bit cooler Monday, then mostly cloudy Monday night,
  • highs 87-75 lows 49-53.
  • Mostly cloudy start, partly cloudy and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
  • Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
  • Then partly cloudy Friday.
  • highs 77-80 cooling to 75 Friday lows near 52. (Seasonal Averages high 67 low 45).

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

  • Sunny and hazy and a bit warmer with areas of smoke today, mostly clear with evening coastal haze and smoke and fog with widespread coastal fog at night while inland haze tonight and widespread inland fog and smoke late tonight,
  • Mostly cloudy with patchy AM coastal fog and partly cloudy and a bit cooler Sunday afternoon while partly cloudy and hazy with smoke inland in the afternoon, partly cloudy in the evening, mostly cloudy with smoke and a slight (20%) chance of coastal showers late Sunday night while patchy inland fog late at night,
  • Mostly cloudy with smoke and patchy AM fog and and haze with a slight (20%) chance of showers, mostly cloudy and a bit warmer with smoke and haze and Monday afternoon, then mostly cloudy with patchy fog and smoke late Monday night.
  • highs 75-69 warming to 72 Monday lows 47-53.
  • Mostly cloudy with patchy fog Tuesday, partly cloudy Tuesday night,
  • Partly cloudy Wednesday and at night,
  • Partly cloudy and a bit cooler Thursday, mostly cloudy Thursday night,
  • Then mostly cloudy and a bit cooler Friday.
  • highs 73-69 lows near 52. (Seasonal Averages high 63 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and hazy with patchy smoke and a bit warmer today, clear and hazy with patchy smoke tonight,
  • Sunny and hazy with patchy smoke Sunday, mostly clear and hazy with patchy smoke late at night,
  • Mostly sunny and hazy and a bit cooler with patchy smoke Monday, then partly cloudy Monday night.
  • free air freezing level 15,000 ft. today, 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. Sunday, 13,000 ft. Sunday night, then 13,000 ft. Monday and Monday night.
  • highs 72-67 lows 43-42.
  • Partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Mostly sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
  • AM sun, then partly cloudy and a bit cooler Friday afternoon.
  • free air freezing level 13,000 ft. Tuesday through Friday.
  • highs 68-70 cooling to 64 Friday lows near 43.
  • 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.