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July 11, 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

  • An Upper Level High Pressure Ridge (“Arch” shape) really heats us up Monday. The graphics for days 1-3 show a cold frontal system moving over the Pacific Northwest Tuesday. The graphics for days 3-7   Thursday through Monday show the frontal activity for the Pacific Northwest through the period with a cold front sliding through Saturday and next Sunday.
  • NOTE: Today will be a HOT day and Tuesday will only cool a bit. Be prepared to drink plenty of water and if you can stay where it is cooled by air conditioning.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly sunny and hot today, clear tonight,
  • Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
  • Some AM clouds, sunny and a bit cooler Wednesday, then clear Wednesday night.
  • highs 95-84 lows 59-53.
  • Mostly sunny Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Partly cloudy and a bit cooler Saturday, partly cloudy Saturday night,
  • The partly cloudy Sunday.
  • highs 84-82 lows near 55. (Seasonal Averages high 83 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and hot today, clear tonight,
  • Sunny and a bit cooler Tuesday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and cooler Wednesday, then clear Wednesday night.
  • highs 98-82 lows 65-56.
  • Sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Some AM clouds, sunny and a bit cooler Saturday afternoon, mostly clear in the evening, partly cloudy late Saturday night,
  • Then partly cloudy and a bit cooler Sunday.
  • highs 85-78 lows near 57. (Seasonal Averages high 85 low 57).

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

  • Sunny and a bit warmer today, mostly clear this evening, partly cloudy late tonight,
  • Partly cloudy and a bit cooler Tuesday, mostly cloudy at night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, then mostly clear Wednesday night.
  • highs 73-70 lows 56-53.
  • Mostly sunny and a bit warmer Thursday, partly cloudy at night,
  • Partly cloudy Friday through Saturday night,
  • Then partly cloudy and a bit cooler Sunday.
  • highs near 72-70 lows near 55. (Seasonal Averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today, clear tonight,
  • Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
  • Some AM clouds, mostly sunny Wednesday, then mostly clear Wednesday night.
  • free air freezing level 16,000 ft. today and tonight, then 15,000 ft. Tuesday through Wednesday night.
  • highs 82-76 lows 58-49.
  • Mostly sunny Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Mostly sunny and a bit cooler Saturday, partly cloudy Saturday night,
  • Then partly cloudy Sunday.
  • free air freezing level 14,000 ft. Thursday, 15,000 ft. Thursday night through Saturday night, then 14,000 ft. Sunday.
  • highs 76-72 lows 50-47.