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June 26, 2023

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

  • THE OREGON HEALTH AUTHORITY HAS ISSUED A PUBLIC HEALTH ADVISORY FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT OCEANSIDE BEACH IN TILLAMOOK COUNTY. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. UNSAFE LEVELS OF FECAL BACTERIA CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS, AND OTHER ILLNESSES. CHILDREN, ELDERLY, AND THOSE WITH A COMPROMISED IMMUNE SYSTEM SHOULD USE EXTRA CAUTION AS THEY ARE MORE VULNERABLE TO TO ILLNESSES FROM WATERBORNE BACTERIA. VISITORS SHOULD AVOID WADING IN AREA CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN. LEVELS OF FECAL BACTERIA TEND TO BE HIGHER IN THESE TYPES OF WATER SOURCES.
  • 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

  • Upper Level High Pressure (“Arch” shape) to our Northwest and Low pressure to the South along the coast will keep things the same. The graphics for days 1-3  show no frontal systems approaching the Pacific Northwest. The graphics for days 3-7  Thursday through Monday show no major frontal systems moving into Oregon, but a cold front will be to our northwest Thursday, then pushing into the Pacific Northwest Friday through next Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy tonight,
  • A mix of clouds and sun to start, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
  • AM clouds and sun, sunny and a bit warmer Wednesday afternoon, clear at night,
  • Sunny and a bit warmer Thursday, then clear Thursday night.
  • lows 50-55 highs 79-88.
  • Sunny Friday and Saturday, clear both nights,
  • Then sunny and a bit warmer Sunday and Monday, clear Sunday night.
  • highs 88-92 lows near 54.  (seasonal averages high 78 low 49)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy late tonight,
  • AM clouds, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit warmer Thursday, then clear Thursday night.
  • low 54-58 highs 82-92.
  • Sunny and a bit warmer Friday, clear Friday night,
  • Then sunny Saturday, clear at night,
  • Then sunny and a bit warmer Monday.
  • highs 92-94 lows near 58. (seasonal averages high 80 low 54)

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

  • Mostly cloudy tonight,
  • Mostly cloudy start, partly cloudy and a bit warmer Tuesday afternoon, mostly cloudy Tuesday night,
  • AM clouds, sunny and a bit warmer Wednesday afternoon, partly cloudy in the evening, mostly cloudy late at night,
  • Partly cloudy and a bit warmer Thursday, then partly cloudy Thursday night.
  • lows near 53 highs 68-72.
  • Mostly sunny and a bit cooler Friday, mostly clear Friday night,
  • Sunny and a bit warmer Saturday, mostly clear at night,
  • Then sunny Sunday and Monday, mostly clear Sunday night,
  •  highs 70-72 lows 50-52. (seasonal averages high 64 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy tonight,
  • Mostly sunny and a bit cooler Tuesday, partly cloudy Tuesday night,
  • Mostly sunny and a bit warmer Wednesday, mostly clear at night,
  • Sunny and a bit warmer Thursday, then clear Thursday night.
  • free air freezing level 12,000 ft. tonight, 11,000 ft. Tuesday, 12,000 ft. Tuesday night and Wednesday, 13,000 ft. Wednesday night, 14,000 ft. Thursday, then 15,000 ft. Thursday night.
  • lows 42-49 highs, 67-76.
  • Sunny and a bit warmer Friday, clear Friday night,
  • Sunny Saturday, clear at night,
  • Sunny and a bit warmer Sunday, clear at night,
  • Then sunny Monday.
  • free air freezing level 15,000 ft. Friday through Saturday, 16,000 ft. Saturday night, 15,000 ft. Sunday, then 16,000 ft. Sunday night and Monday.
  • highs 80-82 lows 50-52.