Follow EDN on Social Media |

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

  • A RED FLAG WARNING IS IN EFFECT FROM 3 PM UNTIL 8 PM TUESDAY  FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN AND THE FREEMONT- WINEMA NATIONAL FOREST.
  • A HEAT ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 11 PM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A HEAT ADVISORY IS IN EFFECT FROM NOON UNTIL 9 PM TUESDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • A HEAT ADVISORY IS IN EFFECT FROM NOON UNTIL 9 PM TUESDAY FOR THE LOWER COLUMBIA BASIN.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11PM TONIGHT FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, JACKSON COUNTY, AND THE KLAMATH BASIN.

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 was 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:

  • Clear tonight,
  • Mostly sunny and a bit cooler Tuesday, partly cloudy Tuesday night,
  • Partly cloudy and cooler Wednesday, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 62-53 highs 90-82 warming to 84 Thursday.
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Partly cloudy and a bit cooler Saturday, mostly clear at night,
  • Partly cloudy and a bit cooler Sunday, mostly clear Sunday night,
  • Then partly cloudy Monday.
  • highs 85-82 lows near 54. (Seasonal Averages high 84 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Clear tonight,
  • Sunny and a bit cooler Tuesday with a slight (20%) chance of afternoon thunderstorms, mostly clear with a slight (20%) chance of evening thunderstorms, just partly cloudy late Tuesday night,
  • Partly cloudy and cooler Wednesday, mostly clear at night,
  • Sunny and a bit warmer Thursday, then clear Thursday night.
  • lows 63-56 highs 92-84.
  • Mostly sunny and a bit warmer Friday, clear Friday night,
  • Mostly sunny and a bit cooler Saturday, mostly clear at night,
  • Some AM clouds, sunny and a bit cooler Sunday, mostly clear Sunday night,
  • Some AM clouds, then sunny Monday afternoon.
  • highs 86-80 lows near 56. (Seasonal Averages high 85 low 57).

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

  • Becoming partly cloudy late tonight,
  • Mostly cloudy and cooler Tuesday, mostly cloudy Tuesday night,
  • Mostly cloudy start, partly cloudy and a bit cooler Wednesday afternoon, mostly cloudy in the evening, partly cloudy late at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 56-53 highs 70-68 warming back to 70 Thursday.
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Partly cloudy Saturday and at night,
  • Some AM clouds, sunny Sunday, mostly clear Sunday night,
  • Then mostly sunny Monday.
  • highs near 72 lows near 55. (Seasonal Averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear tonight,
  • AM sun, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Tuesday afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late Tuesday night,
  • Partly cloudy and cooler Wednesday, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 58-47 warming to 52 Thursday night highs 82-73 warming to 75 Thursday.
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Mostly sunny and a bit cooler Saturday and Sunday , mostly clear both nights,
  • Then partly cloudy and a bit cooler Monday.
  • free air freezing level 15,000 ft. Friday, 16,000 ft. Friday night and Saturday, 15,000 ft. Saturday night through Sunday night, then 14,000 ft. Monday.
  • highs 76-70 lows 50-46.