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Tim Chuey Weather

by | Aug 11, 2023 | Weather

August 11, 2023

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 SUNDAY MORNING UNTIL 10 PM THURSDAY FOR CENTRAL COAST RANGE OF WESTERN OREGON, THE SOUTH WILLAMETTE VALLEY, AND THE CASCADE FOOTHILLS IN LANE COUNTY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM SUNDAY UNTIL 10 PM THURSDAY FOR THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, AND THE NORTHERN OREGON CASCADE FOOTHILLS.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM SUNDAY UNTIL 11 PM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM SUNDAY UNTIL 11 PM THURSDAY  THURSDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM SUNDAY UNTIL 11 PM THURSDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS AND THE SOUTH CENTRAL OREGON CASCADES.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM SUNDAY UNTIL 11 PH THURSDAY FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH THURSDAY EVENING FOR THE COAST RANGE OF NORTHWEST OREGON, THE LOWER COLUMBIA, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH THURSDAY EVENING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE JOHN DAY BASIN, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL  OREGON.
  • A HEAT ADVISORY IS IN EFFECT FROM 1 PM SUNDAY UNTIL 11 PM THURSDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
  • A RED FLAG WARNING IS IN EFFECT FROM MIDNIGHT SATURDAY NIGHT UNTIL 8 PM MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL OREGON CASCADE FOOTHILLS, AND THE WILLAMETTE NATIONAL FOREST.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH OREGON CASCADE FOOTHILLS AND THE AND THE MT. HOOD NATIONAL FOREST WEST OF CASCADE CREST.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON COAST RANGE AND THE WILLAMETTE VALLEY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 6 PM SUNDAY FOR THE CASCADE FOOTHILLS IN LANE COUNTY AND THE CASCADES IN LANE COUNTY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 3 PM SUNDAY FOR DESCHUTES COUNTY.

HEALTH ADVISORIES

  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR GALESVILLE RESERVOIR IN DOUGLAS COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE RESERVOIR WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE GALESVILLE RESERVOIR AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY.. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETSAn Upper Level Low Pressure Trough (“U” shape) offshore keeps our weather pattern stable with a bit above normal temperatures. The graphics for days 1-3  show a frontal system falling apart just to our north. The graphics for days 3-7   Tuesday through Saturday show a frontal system moving through Tuesday and Wednesday with another approaching the coast next Thursday and Friday.  Haze and smoke have finally reached Eugene and Springfield. AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

THE WEATHER PATTERN

  • An Upper Level High Pressure Ridge takes over for serious heating starting Saturday. The graphics for days 1-3  show no fronts moving into the Pacific Northwest.  The graphics for days 3-7   Monday through Friday show a frontal system to our north all of next week but it won’t be moving into the Pacific Northwest.An Upper Level High Pressure Ridge takes over for serious heating starting Saturday. The graphics for days 1-3  show no fronts moving into the Pacific Northwest.  The graphics for days 3-7   Monday through Friday show a frontal system to our north all of next week but it won’t be moving into the Pacific Northwest.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear tonight,
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer, Hot, Sunday, clear at night,
  • Sunny and a bit warmer, Hot, Monday, then clear Monday night.
  • lows 57-65 highs 93-107.
  • Sunny and Hot Tuesday, mostly clear Tuesday night,
  • Sunny and a bit cooler, still hot, Wednesday, mostly clear both nights,
  • Mostly sunny and hot Thursday, mostly clear Thursday night,
  • Then mostly sunny and cooler Friday.
  • highs 103-92 lows 63-59.  (seasonal averages high 85 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Clear tonight,
  • AM haze, sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer, Hot, Sunday, clear at night,
  • Mostly sunny and a bit warmer, Hot Monday, then mostly clear Monday night.
  • lows 60-70 highs 95-109.
  • Mostly sunny and a bit warmer, Hot Tuesday, mostly clear Tuesday night,
  • Sunny and a bit cooler, still Hot, Wednesday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler, still Hot Thursday, mostly clear Thursday night,
  • Then sunny and a bit cooler Friday.
  • highs 106-94 lows 66-64. (seasonal averages high 87 low 58)

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

  • Mostly clear this evening, partly cloudy late tonight,
  • Sunny and a bit warmer Saturday, partly cloudy in the evening, mostly clear late Saturday night,
  • AM clouds, sunny and a bit warmer Sunday afternoon, mostly clear in the evening, mostly cloudy late at night,
  • AM clouds, sunny and a bit warmer Monday afternoon, then mostly clear Monday night.
  • lows 59-62 cooling to 60 Monday night highs 80-85.
  • Mostly sunny and a bit cooler Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
  • Some AM clouds, sunny Wednesday afternoon, partly cloudy at night,
  • Some AM clouds, sunny and a bit cooler Thursday afternoon, partly cloudy Thursday night,
  • Then partly cloudy and a bit cooler Friday.
  •  highs 80-76 lows near 60. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear and hazy with areas of smoke tonight,
  • AM haze, mostly sunny and a bit warmer Saturday, areas of evening smoke, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Sunny and a bit warmer Monday, then mostly clear Monday night.
  • free air freezing level 15,000 ft. rising to 16,000 ft. late tonight, 16,000 ft. Saturday through Sunday, above 16,000 ft. Sunday night through Monday night,
  • lows 48-60 highs 79-90.
  • Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
  • Mostly sunny and a bit cooler Wednesday, partly cloudy at night,
  • Then mostly sunny and a bit cooler Thursday and Friday, partly cloudy Thursday night,.
  • free air freezing level 16,000 ft. Tuesday, above 16,000 ft. Tuesday night, 16,000 ft. Wednesday, above 16,000 ft. Wednesday night, 16,000 ft. Thursday and Thursday night, then 15,000 ft. Friday.
  • highs 89-80 lows 59-57.