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August 22, 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

  • NONE AT THIS TIME.

HEALTH ADVISORIES

  • NOTE A CHANGE: 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.
  • A RECREATIONAL HEALTH ADVISORY FOR CRONE MILLER IN BENTON COUNTY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE HAS BEEN LIFTED. NOTE: OREGON HEALTH AUTHORITY ADVISES DOG OWNERS TO CONTINUALLY BE ALERT TO SIGNS OF CYANOBACTERIA BLOOMS, OR AREAS OF THE LAKE THAT LOOK SUSPICIOUS. BLOOMS CAN DEVELOP AND DISAPPEAR ON ANY BODY OF WATER AT ANY TIME, EVEN IN THE FALL AND WINTER IF CONDITIONS ARE FAVORABLE. ONLY A FRACTION OF WATER BODIES IN OREGON ARE MONITORED FOR CYANOBACTERIA, BLOOMS AND TOXINS DURING THE RECREATION SEASON, AND NO MONITORING OR SAMPLING IS PERFORMED ONCE RECREATION SEASON HAS ENDED. 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 Low Pressure Trough (“U” shape) just off the coast will bring cooler marine air to the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving through or into Oregon. The graphics for days 3-7 Thursday through Monday show a cold front that’s approaching the Pacific Northwest Thursday and Friday then pushes through Oregon next Saturday and Saturday night.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Clear tonight,
  • Mostly sunny and a bit warmer Tuesday, clear Tuesday night,
  • Then mostly sunny and a bit warmer Wednesday and Thursday, clear both nights.
  • lows 57-60 cooling to 58 Thursday night highs 90-94.
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Partly cloudy and a bit cooler Saturday,  partly cloudy at night,
  • Then mostly sunny and a bit warmer Sunday and Monday, mostly clear Sunday night.
  • highs 87-82 warming to 90 Monday lows 56-53. (Seasonal Averages high 83 low 51)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy late tonight,
  • Some AM clouds, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows near 62 highs 87-92.
  • Mostly sunny and a bit cooler Friday, mostly clear in the evening, partly cloudy late Friday night,
  • Partly cloudy and a bit cooler Saturday, mostly clear at night,
  • Then mostly sunny and a bit warmer Sunday and Monday, mostly clear Sunday night.
  • highs 89-82 warming to 92 Monday lows 60-55 warming to 57 Sunday night. (Seasonal Averages high 85 low 57).

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

  • Mostly cloudy with patchy coastal fog late tonight and Tuesday AM, becoming mostly sunny Tuesday afternoon, partly cloudy in the evening, mostly cloudy late Tuesday night,
  • Partly cloudy Wednesday, mostly cloudy at night,
  • Mostly cloudy start, partly cloudy Thursday afternoon and evening, then mostly cloudy Thursday night.
  • lows near 60 highs near 68-75.
  • Some AM clouds, sunny and a bit cooler Friday afternoon, partly cloudy in the evening, mostly cloudy late Friday night,
  • Partly cloudy Saturday and at night,
  • Sunny Sunday, party cloudy Sunday night,
  • Then partly cloudy Monday.
  • highs near 75 lows 58-55 warming to 57 Sunday night . (Seasonal Averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Mostly sunny and a bit warmer Tuesday, clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Sunny Thursday, then mostly clear Thursday night.
  • free air freezing level 15,000 ft. rising to 16,000 ft. late tonight, 16,000 ft. Tuesday, 16,000 ft. falling to 15,000 ft. late Tuesday night, 15,000 ft. Wednesday through Thursday, then 16,000 ft. Thursday night.
  • lows 47-54 cooling to 52 Thursday night highs 85-82.
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Some AM clouds, sunny and a bit cooler Saturday afternoon, partly cloudy at night,
  • Some AM clouds, mostly sunny and a bit warmer Sunday afternoon, mostly clear Sunday night,
  • Then mostly sunny and a bit warmer Monday.
  • free air freezing level 15,000 ft. Friday through Saturday, 16,000 ft. Saturday night, then 15,000 ft. Sunday through Monday.
  • highs near 76-69 warming to 82 Monday lows 47-43 warming to 48 Sunday night.

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  • 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 actual weather will conform to the projected forecast.

_____

  • 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

Posted In Uncategorized

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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.