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June 5, 2024

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 BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH 8 PM THIS EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH THIS EVENING FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST AND THE CENTRAL COAST OF OREGON.

HEALTH ADVISORIES

  • A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

THE WEATHER PATTERN:

An Upper Level High Pressure Ridge (“Arch” shape) starts heating us up. The graphics for days 1-3  show the no frontal activity in the Pacific Northwest fot the period. The graphics for days 3-7   Saturday through Wednesday show a cold front that will be to our northwest Saturday then pushing through the Pacific Northwest between Saturday night and Sunday and the next front will move in next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear tonight,
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler Saturday, mostly cloudy in the evening, then partly cloudy late Saturday night.
  • lows 48-54 cooling to 52 Saturday night high 82-87 cooling back to 82 Saturday.
  • Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday and Tuesday, clear both nights,
  • Then sunny and a bit cooler Wednesday.
  • highs 79-82 cooling to 78 Tuesday lows 50-52.  (seasonal averages high 72 low 46)

Forecast for the Umpqua Valley including Roseburg:

  • Clear tonight,
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit cooler Saturday, then mostly cloudy Saturday night.
  • lows 53-58 cooling to 56 Saturday night highs 86-92 cooling to cooling to 85 Saturday.
  • Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
  • Mostly sunny and a bit warmer Monday, clear at night,
  • Mostly sunny and warmer Tuesday, mostly clear Tuesday night,
  • Then sunny and a bit cooler Wednesday.
  •  highs 83-85 cooling to 82 Tuesday lows near 55. (seasonal average high 74 low 51)

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

  • Clear  tonight,
  • Sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Sunny and a bit warmer Friday, partly cloudy at night,
  • Mostly cloudy and a bit cooler Saturday, then mostly cloudy Saturday night.
  • lows 47-50 highs 68-72 cooling to 67 Saturday.
  • AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear Sunday night,
  • Mostly sunny and a bit warmer Monday, mostly clear at night,
  • Then mostly sunny Tuesday, mostly clear Tuesday night,
  • Then mostly sunny and a bit cooler Wednesday.
  • highs 66-68 cooling back to 66 Wednesday lows 47-49. (seasonal average high 63 low 50)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear tonight,
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler with a slight (20% ) chance of showers Saturday, mostly cloudy with a slight (20%) chance of thunderstorms Saturday night.
  • free air freezing level 15,000 ft. tonight through Thursday night, 14,000 ft. Friday, 15,000 ft. Friday night, snow level above 8,000 ft. Saturday, then free air freezing level 14,000 ft. Saturday night.
  • lows 47-52 warming to 48 Saturday night highs 76-82.
  • Mostly sunny and cooler with a slight (20%) chance of showers Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday, clear Monday night,
  • Sunny Tuesday, mostly clear Tuesday night,
  • Then sunny and a bit cooler Wednesday.
  • snow level above 8,000 ft. Sunday, free air freezing level 14,000 ft. Sunday night 15,000 ft. Monday, 16,000 ft. Monday night, then 15.000 ft. Tuesday through Wednesday.
  • highs 72-74 cooling back to 72 Wednesday lows 46-48 cooling to 45 Monday night.