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July 25, 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

  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM NOON TODAY UNTIL 9 PM THURSDAY FOR THE GREATER PORTLAND METRO AREA, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, THE CENTRAL WILLAMETTE VALLEY
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 11 PM FRIDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, .
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 11 PM THURSDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS AND THE SOUTH CENTRAL OREGON CASCADES, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND AND THE SOUTH CENTRAL OREGON CASCADES.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 11 PM FRIDAY FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM NOON UNTIL 9 PM THURSDAY FOR THE LOWER COLUMBIA, THE SOUTH WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADES IN LANE COUNTY, THE COAST RANGE OF NORTH WEST OREGON, AND THE CENTRAL COAST RANGE OF WESTERN OREGON, THE CASCADE FOOTHILLS IN LANE COUNTY, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE EAST SLOPES OF THE OREGON CASCADES, THE GRANDE RHONDE VALLEY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE JOHN DAY BASIN, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING FOR WALLOWA COUNTY.
  • A HEAT ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL 11 PM THURSDAY FOR CENTRAL DOUGLAS COUNTY.
  • A HEAT ADVISORY IS IN EFFECT FROM NOON TODAY UNTIL UNTIL 9 PM THURSDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF OREGON, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, THE LOWER COLUMBIA, AND THE SOUTH WILLAMETTE VALLEY.

HEALTH ADVISORIES

  • THE PUBLIC HEALTH ADVISORY ISSUED FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT D RIVER BEACH IN LINCOLN COUNTY HAS BEEN LIFTED.
  • 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 High Pressure Ridge (“Arch” shape) strengthens again for  warmup that will turn into a heat wave. The graphics for days 1-3 show a frontal system attempting to move southward into Oregon. The graphics for days 3-7      Thursday through Monday show no frontal activity for the Pacific Northwest through the period, however a front approaches from the northwest next Monday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Sunny and Hot today, clear tonight,
  • Sunny and Very Hot Tuesday, mostly clear at night,
  • Sunny and Hot Wednesday, then mostly clear Wednesday  night.
  • highs 96-98 cooling to 94 Wednesday lows near 58.
  • Sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday and Saturday, clear both nights,
  • Then sunny and a bit cooler Sunday.
  • highs 93-88 lows near 59. (Seasonal Averages high 86 low 53)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and warmer, Hot and hazy, this afternoon, clear and hazy tonight,
  • Sunny and Hot again Tuesday, mostly clear at night,
  • AM sun with a slight (20%) chance of thunderstorms, sunny and still Hot Wednesday afternoon, then mostly clear Wednesday night.
  • highs 101-98 lows near 63.
  • Mostly sunny and still Hot Thursday, mostly clear Thursday night,
  • Mostly sunny and Hot Friday and Saturday, mostly clear both nights,
  • Then mostly sunny Sunday.
  • highs 97-95 lows 63-60. (Seasonal Averages high 88 low 58).

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

  • Some AM clouds, sunny and hazy and a bit warmer this afternoon, clear and hazy this evening, mostly cloudy and hazy late tonight,
  • Partly cloudy and a bit cooler Tuesday and in the evening, mostly cloudy at night,
  • Partly cloudy with a slight (20%) of AM thunderstorms, partly cloudy and a bit cooler Wednesday and Wednesday night.
  • highs 76-73 lows near 56.
  • Partly cloudy and a bit warmer Thursday and Thursday night,
  • Partly cloudy and a bit cooler Friday and at night,
  • Partly cloudy and a bit warmer Saturday and Saturday night,
  • Then partly cloudy  and a bit cooler Sunday.
  • highs 74-72 warming to 75 Saturday cooling to 74 Sunday lows near 56. (Seasonal Averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Sunny and a bit warmer today, clear tonight,
  • Sunny and hot Tuesday, mostly clear at night,
  • Mostly sunny and a bit warmer, hot, with a slight (20%) chance of thunderstorms Wednesday afternoon and evening (evening snow level above 8,000 ft), then mostly clear Wednesday night (free air freezing level 16,000 ft. Wednesday night).
  • highs 88-92 cooling to 90 Wednesday lows 55-59.
  • Sunny and still hot Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, clear at night,
  •  Then sunny and a bit cooler Saturday and Sunday, clear Saturday night.
  • highs 92-83 lows 59-55.

_____

  • 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 actual weather will conform to the projected forecast.

_____

  • For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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Mostly clear again tonight, then sunshine and slightly cooler for your Friday.

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

  • Becoming mostly cloudy late tonight,
  • Some AM clouds, sunny and a bit warmer Friday afternoon, clear in the evening, partly cloudy late Friday night,
  • Mostly cloudy start, partly cloudy and slightly cooler Saturday afternoon, mostly clear at night,
  • Mostly sunny Sunday, then mostly clear Sunday night.
  • lows 54-56 cooling back to 54 Sunday night highs 70-69.
  • Mostly sunny and a bit warmer Monday, mostly clear Monday night,
  • Partly cloudy and slightly cooler Tuesday, partly cloudy at night,
  • Then partly cloudy Wednesday through Thursday.
  • highs 73-72 lows 54-56 cooling back to 54 Wednesday night. (Seasonal Averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Mostly sunny and a bit cooler Friday, clear Friday night,
  • Sunny and a bit warmer Saturday, mostly clear at night,
  • Some AM clouds, mostly sunny and a bit cooler Sunday, then clear Sunday night.
  • free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. rising to 15,000 ft. Friday afternoon, 15,000 ft. Friday night through Sunday, then 16,000 ft. Sunday night.
  • lows 49-47 highs 74-72 warming back to 74 Sunday.
  • Sunny and a bit warmer Monday, clear Monday night,
  • Sunny Tuesday, mostly clear at night,
  • Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
  • free air freezing level 16,000 ft. Monday through Thursday.
  • highs 80-75 lows 53-50.