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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:

  • Some AM clouds, sunny and a bit cooler this afternoon, partly cloudy tonight,
  • Partly cloudy Tuesday, mostly clear at night,
  • Mostly sunny and a bit warmer Wednesday, then clear Wednesday night.
  • highs 80-83 lows 50-52.
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Sunny Friday and Saturday, clear both nights,
  • Then sunny and a bit warmer Sunday.
  • highs 87-90 lows near 54.  (seasonal averages high 78 low 49)

Forecast for the Umpqua Valley including Roseburg:

  • AM clouds, sunny and a bit cooler this afternoon, mostly clear this evening, partly cloudy late tonight,
  • Mostly cloudy start, partly cloudy and a bit cooler Tuesday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, then clear Wednesday night.
  • highs 82-80 warming to 86 Wednesday low 54-56.
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Sunny Friday and Saturday, clear both nights,
  • Then sunny and a bit warmer Sunday.
  • highs 92-93 lows 57-59. (seasonal averages high 80 low 54)

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

  • Mostly cloudy start, partly cloudy and a bit warmer this afternoon and evening, mostly cloudy late tonight,
  • Mostly cloudy start, partly cloudy and a bit warmer Tuesday afternoon, mostly cloudy late at night,
  • Partly cloudy and a bit warmer Wednesday, then partly cloudy Wednesday night.
  • highs 67-70 lows near 52.
  • Some AM clouds, sunny and a bit warmer Thursday afternoon, mostly clear in the evening, partly cloudy late Thursday night,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Mostly sunny and a bit warmer Saturday, clear Saturday night,
  • Then sunny Sunday.
  •  highs 72 -70 warming to 72 Saturday and Sunday lows 53-50 warming to 52 Saturday night. (seasonal averages high 64 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny start with a slight (20%) chance of showers, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms this afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late tonight,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday afternoon and evening, partly cloudy at night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • snow level above 8,000 ft. today through Tuesday night, free air freezing level 12,000 ft. Wednesday, then 13,000 ft. Wednesday night.
  • highs 66-70 lows 42-45.
  • Sunny and a bit warmer Thursday and Friday, clear both nights,
  • Sunny and a bit warmer Saturday, clear Saturday night,
  • Then sunny and a bit warmer Sunday.
  • free air freezing level 14,000 ft. Thursday, 15,000 ft. Thursday night through Friday night, then 16,000 ft. Saturday through Sunday.
  • highs 75-82 lows 48-50.