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July 9, 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   Tuesday through Saturday 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 as a cold front slides through next Saturday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly clear tonight,
  • Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Mostly sunny and hot Monday, clear at night,
  • Mostly sunny and a bit cooler Tuesday, then partly cloudy Tuesday night.
  • lows 52-59 cooling to 55 Tuesday night highs 84-94.
  • Some AM clouds, sunny and a bit cooler Wednesday, clear Wednesday night,
  • Mostly sunny Thursday, mostly clear at night,
  • Then partly cloudy and a bit cooler Friday and Saturday, partly cloudy Friday night.
  • highs 85-82 lows 53-57. (Seasonal Averages high 83 low 51)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear tonight,
  • Sunny and bit warmer Sunday, mostly clear Sunday night,
  • Sunny and hot Monday, clear at night,
  • Sunny and a bit cooler Tuesday, then partly cloudy Tuesday night.
  • lows 54-63 cooling to 58 Tuesday night highs 84-82.
  • Partly cloudy and cooler Wednesday, clear Wednesday night,
  • Mostly sunny and a bit warmer Thursday and Friday, mostly clear both nights,
  • Then partly cloudy and a bit cooler Saturday.
  • highs 82-84 cooling back to 82 Saturday lows 56-58. (Seasonal Averages high 85 low 57).

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

  • Becoming partly cloudy late tonight,
  • Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Partly cloudy and a bit cooler Tuesday and in the evening, then mostly cloudy late Tuesday night.
  • lows 54-57 cooling to 55 Monday night and Tuesday night highs 72-77 cooling to 69 Tuesday.
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, mostly clear Wednesday night,
  • Mostly sunny and a bit warmer Thursday, mostly clear at night,
  • Then partly cloudy Friday through Saturday.
  • highs near 70-72 lows 53-55. (Seasonal Averages high 66 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy tonight,
  • Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Mostly sunny and a bit cooler Tuesday, then partly cloudy Tuesday night.
  • free air freezing level 13,000 ft. tonight, 16,000 ft. Sunday through 16,000 ft. Sunday night through Monday night, 15,000 ft. Tuesday, then 16,000 ft. Tuesday night,.
  • lows 44-58 cooling to 52 Tuesday night highs 73-84 cooling to 82 Tuesday.
  • Mostly sunny and a bit cooler Wednesday, mostly clear Wednesday night,
  • Mostly sunny Thursday, mostly clear at night,
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Then partly cloudy and a bit cooler Saturday.
  • free air freezing level 15,000 ft. Wednesday through Friday night, then 14,000 ft. Saturday.
  • highs 77-70 lows near 49.