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August 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

  • 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 High Pressure Ridge (“Arch” shape) down in the Four Corners area of the West will be strengthening bringing us some heat. The graphics for days 1-3 show no frontal systems moving through or into Oregon. The graphics for days 3-7 show no frontal activity through next Monday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Patchy AM and late night fog, mostly sunny and a bit warmer this afternoon, mostly clear tonight,
  • Mostly sunny and a bit warmer Tuesday, clear at night,
  • AM sun, partly cloudy and a bit warmer Wednesday, then partly cloudy Wednesday night.
  • highs 95-90 lows 56-62.
  • Partly cloudy and a bit warmer Thursday, partly cloudy Thursday night,
  • AM clouds and sun, mostly sunny and a bit cooler Friday afternoon, mostly clear at night,
  • Partly cloudy Saturday, partly cloudy Saturday night,
  • Then partly cloudy and a bit cooler Sunday.
  • highs 95-90 lows near 58. (Seasonal Averages high 85 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds, sunny this afternoon, clear tonight,
  • Sunny and a bit warmer Tuesday, mostly clear at night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • highs 87-97 lows 58-64.
  • Mostly sunny and a bit cooler Thursday, partly cloudy Thursday night,
  • Partly cloudy and a bit cooler Friday, mostly clear at night,
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Then partly cloudy and a bit cooler Sunday.
  • highs 94-90 warming to 92 Saturday cooling to 89 Sunday lows near 62. (Seasonal Averages high 86 low 57).

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

  • Some AM clouds, sunny and a bit warmer this afternoon, partly cloudy this evening, mostly cloudy with patchy inland fog late tonight,
  • Some AM clouds with patchy fog, sunny and a bit cooler Tuesday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit warmer Wednesday and in the evening, then mostly cloudy late Wednesday night.
  • highs 75-69 warming to 72 Wednesday lows near 58.
  • Mostly cloudy start, partly cloudy and a bit warmer Thursday afternoon, mostly cloudy Thursday night,
  • Partly cloudy and a bit warmer Friday through Saturday evening, mostly cloudy late Saturday night,
  • Then partly cloudy Sunday.
  • highs near 75 lows near 58. (Seasonal Averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today, clear tonight,
  • Sunny and a bit warmer Tuesday, mostly clear at night,
  • Mostly sunny start,  partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening showers and thunderstorms, then just partly cloudy late Wednesday night.
  • free air freezing level 15,000 ft. today through Tuesday, 16,000 ft. Tuesday night, then snow level above 8,000 ft. Wednesday and Wednesday night.
  • highs 79-89 lows 52-58.
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Thursday afternoon and evening, just partly cloudy late Thursday night,
  • Some AM clouds, mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Mostly sunny Saturday, partly cloudy Saturday night,
  • Then partly cloudy and a bit cooler Sunday.
  • snow level above 8,000 ft. Thursday and Thursday night, free air freezing level 15,000 ft. Friday, 16,000 ft. Friday night through Saturday night, then 15,000 ft. Sunday.
  • highs 86-82 lows near 55.

_____

  • 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.