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August 27, 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

  • 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: A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE WILLAMETTE RIVER NEAR CATHEDRAL PARK IN NORTH PORTLAND  DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. IT HAS BEEN EXPANDED UPSTREAM (SOUTH) TO THE WILLAMETTE COVE AREA NEAR THE SP&S RAILROAD BRIDGE. 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. 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

A new Upper Level High Pressure Ridge (“Arch” shape) will bring back warmer temperatures to the Pacific Northwest. The graphics for days 1-3 show no frontal activity through the period. The graphics for days 3-7 Tuesday through Saturday show more active weather patterns over the Pacific Northwest.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly clear tonight,
  • Sunny and a bit warmer Sunday, clear Sunday night,
  • Mostly sunny and a bit warmer Monday, partly cloudy at night,
  • Mostly sunny and Hot Tuesday, then mostly clear Tuesday night.
  • lows 50-57 highs 83-95.
  • Mostly sunny and a bit cooler Wednesday, mostly clear Wednesday night,
  • Some AM clouds, mostly sunny and a bit cooler Thursday afternoon, partly cloudy at night,
  • Partly cloudy and a bit cooler Friday, partly cloudy Friday night,
  • Some AM clouds, then mostly sunny and a bit warmer Saturday afternoon.
  • highs 90-84 warming to 86 Saturday lows near 54. (Seasonal Averages high 83 low 51)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear tonight,
  • Sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Partly cloudy and warmer Monday, mostly clear at night,
  • Mostly sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
  • lows 54-62 highs 84-95.
  • Mostly sunny and a bit cooler Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler Thursday, partly cloudy at night,
  • Partly cloudy and a bit cooler Friday, mostly clear Friday  night,
  • Then mostly sunny and a bit warmer Saturday.
  • highs 90-82 warming to 88 Saturday lows 59-56. (Seasonal Averages high 85 low 56).

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

  • Mostly clear this evening, partly cloudy late tonight,
  • Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • AM sun, partly cloudy and a bit warmer Monday, partly cloudy Monday night,
  • Sunny and a bit cooler Tuesday, then partly cloudy Tuesday night.
  • lows 55-59 cooling to 57 Tuesday night highs 75-79 cooling back to 75 Tuesday.
  • Partly cloudy and a bit warmer Wednesday, partly cloudy Wednesday night,
  • Partly cloudy and a bit cooler Thursday, mostly cloudy at night,
  • Then partly cloudy Friday through Saturday.
  • highs 76-75  lows near 58 . (Seasonal Averages high 68 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Sunny and warmer Sunday, mostly clear Sunday night,
  • Partly cloudy and warmer Monday, partly cloudy at night,
  • Mostly sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
  • freezing level 15,000 ft. tonight, 15,000 ft. rising to 16,000 ft. Sunday afternoon, 16,000 ft. Sunday night and Monday,  then 15,000 ft. Monday night through Tuesday night.
  • lows 42-54 highs 74-87.
  • Mostly sunny and a bit cooler Wednesday, mostly clear Wednesday Wednesday night,
  • Mostly sunny and a bit cooler Thursday, partly cloudy at night,
  • Some AM clouds, mostly sunny and cooler Friday afternoon, partly cloudy Friday night,
  • Then mostly sunny and a bit warmer Saturday.
  • free air freezing level 15,000 ft. Wednesday, 16,000 ft. Wednesday night and Thursday, 16,000 ft. falling to 15,000 ft. late Thursday night, 16,000 ft. falling to 15,000 ft. Friday afternoon, then 16,000 ft. Friday night and Saturday.
  • highs near 82-72 warming to 79 Saturday lows 52-47.

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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.