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July 8, 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

  • 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 Low Pressure Trough is slowly moving Northeastward away from us. The graphics for days 1-3 show no frontal systems moving over or into the Pacific Northwest. The graphics for days 3-7   Monday through Friday show the frontal activity for the Pacific Northwest through the period with a cold front moving through Oregon between Tuesday and Wednesday and more activity Thursday and next Friday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly clear tonight,
  • Some AM clouds, sunny and a bit cooler Saturday afternoon, mostly clear Saturday night,
  • Then mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights.
  • lows 56-52 warming to 60 Monday night highs 79-92.
  • Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
  • Mostly sunny and a bit cooler Wednesday, clear at night,
  • Mostly sunny Thursday, mostly clear Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 88-84 warming to 86 Friday lows 57-54 warming to 56 Thursday night. (Seasonal Averages high 83 low 51)

Forecast for the Umpqua Valley including Roseburg:

  • Becoming partly cloudy late tonight,
  • Some AM clouds, sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Then sunny and bit warmer Sunday and Monday,  clear both nights.
  • lows 56-62 highs 80-95.
  • Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
  • Some AM clouds, sunny and cooler Wednesday afternoon, clear at night,
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Then sunny and a bit warmer Friday.
  • highs 95-84 warming to 86 Friday lows 62-56 warming to 58 Thursday night. (Seasonal Averages high 84 low 57).

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

  • Becoming mostly cloudy late tonight with patchy inland fog,
  • Some AM clouds, sunny Saturday afternoon, mostly clear in the evening, partly cloudy late Saturday night with patchy inland fog late,
  • Sunny Sunday, mostly clear at night,
  • Mostly sunny and a bit warmer Monday, mostly clear in the evening, then mostly clear Monday night.
  • lows near 54 highs 70-74.
  • Partly cloudy and a bit cooler Tuesday, partly cloudy Tuesday night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Then mostly sunny Friday.
  • highs near 72-70 warming back to 72 Thursday and Friday lows 56-52. (Seasonal Averages high 66 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon, partly cloudy Saturday night,
  • Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Mostly sunny and warmer Monday, then mostly clear Monday night.
  • free air freezing level 13,000 ft. tonight, snow level above 8,000 ft.  Saturday, free air freezing level 13,000 ft. rising to 14,000 ft. late Saturday night, 14,000 ft. rising to 16,000 ft. Sunday afternoon, then 16,000 ft. Sunday night through Monday night.
  • lows 48-44 warming to 55 Monday night highs 66-84.
  • Mostly sunny and a bit cooler Tuesday and Wednesday, mostly clear both nights,
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • free air freezing level 15,000 ft. Tuesday, 16,000 ft. Tuesday night, 15,000 ft. Wednesday, 16,000 ft. Wednesday night, then 15,000 ft. Thursday through Friday.
  • highs 82-75 warming to 77 Friday lows 52-49 warming back to 52 Friday.