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July 21, 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 RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TODAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST.

HEALTH ADVISORIES

  • THE PUBLIC HEALTH ADVISORY ISSUED FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT D RIVER BEACH IN LINCOLN COUNTY HAS BEEN LIFTED.
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR AREAS AROUND EAGLE RIDGE  COUNTY PARK IN UPPER KLAMATH LAKE IN KLAMATH 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
  • 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

  • The Upper Level High Pressure Ridge (“Arch” shape) took over bringing more sunshine and warm temperatures, but now we cool down. The graphics for days 1-3 show a  weak cold front moving through Oregon today. The graphics for days 3-7   Sunday through Thursday show no frontal activity for the Pacific Northwest through the period with a cold front going stationary to our north.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Becoming mostly cloudy late tonight,
  • AM clouds, sunny and a bit cooler Friday afternoon, clear Friday night,
  • Mostly sunny and a bit warmer Saturday, clear at night,
  • Sunny and a bit warmer Sunday, then clear Sunday night.
  • lows 54-52 warming to 56 Sunday night highs 75-89.
  • Sunny and a bit warmer Monday, clear Monday night,
  • Sunny Tuesday, mostly clear at night,
  • Sunny and a bit cooler Wednesday, mostly clear Wednesday night,
  • Then mostly sunny Thursday.
  • highs 94-92 lows near 59. (Seasonal Averages high 86 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy late tonight,
  • Mostly cloudy start, partly cloudy and a bit cooler Friday afternoon, mostly clear in the evening, partly cloudy late late Friday night,
  • Mostly sunny and a bit warmer Saturday, clear at night,
  • Sunny and a bit warmer Sunday, then clear Sunday night.
  • lows 57-55 warming to 59 Sunday night highs 80-88.
  • Sunny and warmer Monday, partly cloudy Monday night,
  • Mostly sunny and a bit cooler Tuesday and Wednesday, mostly clear both nights,
  • Then mostly sunny Thursday.
  • highs 98-95 lows near 62. (Seasonal Averages high 87 low 58).

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

  • Mostly cloudy with patchy coastal fog and drizzle late tonight,
  • Mostly cloudy with patchy AM fog and a slight (20%) chance of drizzle, mostly cloudy and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late Friday night,
  • Some AM clouds, sunny Saturday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and a bit cooler Sunday afternoon, then partly cloudy Sunday night.
  • lows 54-52 warming back to 54 Sunday night highs 70-67.
  • Partly cloudy and warmer Monday and Tuesday, partly cloudy both nights,
  • Then partly cloudy Wednesday through Thursday.
  • highs 69-73 lows near 55. (Seasonal Averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Becoming mostly cloudy late tonight,
  • Some AM clouds, sunny and a bit cooler Friday, clear Friday night,
  • Sunny and a bit warmer Saturday and Sunday, clear both nights,
  • free air freezing level 14,000 ft. tonight, 15,000 ft. Friday through Saturday night, then 16,000 ft. Sunday and Sunday night.
  • lows 48-53 highs 70-82.
  • Sunny and a bit warmer Monday, mostly clear Monday night,
  • Sunny and warmer Tuesday, mostly clear at night,
  • Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Then mostly sunny Thursday.
  • free air freezing level 16,000 ft. Monday, then above 16,000 ft. Monday night through Thursday.
  • highs 86-89 lows 56-58.

_____

  • 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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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.