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Tim Chuey Weather

by | Aug 12, 2023 | Weather

August 13, 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 11 AM TODAY UNTIL 10 PM THURSDAY FOR THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS IN LANE COUNTY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 10 PM  THURSDAY  FOR  THE LOWER COLUMBIA, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 10 PM TUESDAY FOR CENTRAL COAST RANGE OF WESTERN OREGON AND THE COAST RANGE OF NORTHWEST OREGON.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 10 PM THURSDAY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 1 PM TODAY 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 TODAY 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 TODAY 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 TODAY 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 TODAY 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 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.
  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING FOR THE NORTH OREGON COAST.
  • A HEAT ADVISORY IS IN EFFECT FROM 11 AM TODAY UNTIL 10 PM THURSDAY FOR THE NORTHERN OREGON CASCADES, AND THE CASCADES IN LANE COUNTY.
  • A HEAT ADVISORY IS IN EFFECT FROM 11 AM TODAY UNTIL 5 AM MONDAY FOR THE NORTH OREGON COAST.
  • A HEAT ADVISORY IS IN EFFECT FROM 11 AM MONDAY UNTIL 11 PM THURSDAY FOR THE GRANDE RONDE VALLEY, WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE OCHOCO, THE JOHN DAY HIGHLANDS, WALLOWA COUNTY, THE EAST SLOPES OF THE OREGON CASCADES, CENTRAL OREGON, AND THE NORTHWEST BLUE MOUNTAINS.
  • A HEAT ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL 11 PM THURSDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL OREGON CASCADE FOOTHILLS AND THE WILLAMETTE NATIONAL FOREST.
  • A RED FLAG WARNING IS IN EFFECT THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH OREGON CASCADE FOOTHILLS AND THE MT. HOOD NATIONAL FOREST WEST OF CASCADE CREST.
  • A RED FLAG WARNING IS IN EFFECT FROM 2 PM TODAY UNTIL 11 PM MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON COAST RANGE AND THE WILLAMETTE VALLEY.
  • A RED FLAG WARNING IS IN EFFECT FROM NOON UNTIL 8 PM TODAY FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN SISKIYOU NATIONAL FOREST.
  • A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 8 PM MONDAY FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN SISKIYOU NATIONAL FOREST.
  • A RED FLAG WARNING IS IN EFFECT FROM MONDAY AFTERNOON THROUGH THROUGH MONDAY EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN SISKIYOU NATIONAL FOREST.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE UMPQUA BASIN , THE UMPQUA NATIONAL FOREST, THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY, THE SISKIYOU MOUNTAINS, THE EASTERN ROUGE VALLEY, AND THE SOUTHERN OREGON CASCADES.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 6 PM THIS EVENING FOR THE CASCADE FOOTHILLS IN LANE COUNTY AND THE CASCADES IN LANE COUNTY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 3 PM TODAY FOR DESCHUTES COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT FOR EASTERN LANE COUNTY DUE TO WILDFIRE SMOKE WHICH COULD BACK UP INTO THE EUGENE-SPRINGFIELD AREA.

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 today. The graphics for days 1-3  show no fronts moving into the Pacific Northwest.  The graphics for days 3-7   Wednesday through Sunday show a frontal system to our north all of next week but it won’t be moving into the Pacific Northwest until next Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly sunny and a bit warmer, Hot, today, partly cloudy tonight,
  • Mostly sunny and a bit warmer, Very Hot, Monday, clear at night,
  • Sunny and slightly cooler, still Very Hot Tuesday, then mostly clear Tuesday night.
  • highs 103-108 lows 65-67 cooling to 63 Tuesday night.
  • Sunny and a bit cooler, still hot, Wednesday, mostly clear Wednesday night,
  • Mostly sunny and slightly cooler, still Very Hot Thursday, mostly clear at night,
  • Then mostly sunny and a bit cooler Friday and Saturday, partly cloudy Friday  night.
  • highs 102-86 lows 62-55.  (seasonal averages high 85 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and hazy with patchy smoke a bit warmer, Very Hot, today, clear and hazy with patchy smoke late tonight,
  • Sunny and a bit warmer, Very Hot Monday, mostly clear at night,
  • Sunny and a bit cooler, still Very Hot Tuesday, then mostly clear Tuesday night.
  • highs 103-111 cooling to 106 Tuesday lows 68-70 cooling to 67 Tuesday night.
  • Sunny and a bit cooler, still Hot, Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler, still Hot Thursday, mostly clear at night,
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Then sunny and a bit cooler Saturday.
  • highs 105-103 cooling to 87 Saturday lows 66-59. (seasonal averages high 86 low 58)

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

  • Some AM clouds with coastal haze while inland AM haze and patchy smoke, sunny and warmer with coastal haze while inland haze and patchy smoke this afternoon, mostly clear and hazy tonight,
  • AM clouds, sunny and a bit warmer Monday afternoon, mostly cloudy in the evening, becoming clear at night,
  • Partly cloudy and a bit cooler Tuesday, then partly cloudy Tuesday night.
  • highs 83-86 cooling to 82 Tuesday lows 62-60.
  • Sunny Wednesday, partly cloudy Wednesday night,
  • Partly cloudy and a bit cooler Thursday partly cloudy at night,
  • Sunny and a bit cooler Friday, partly cloudy Friday night,
  • Then partly cloudy and a bit cooler Saturday.
  •  highs 82-76 lows 59-57. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today, hazy with areas of evening smoke, mostly clear late tonight,
  • Sunny and a bit warmer Monday, mostly clear at night,
  • Mostly sunny and a bit cooler Tuesday, then mostly clear Tuesday night.
  • free air freezing level above 16,000 ft. today through Monday night, then 16,000 ft. Tuesday and Tuesday night.
  • highs 86-92 cooling to 89 Tuesday lows 57-60 cooling to 58 Tuesday night.
  • Sunny Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler Thursday, partly cloudy at night,
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon.
  • free air freezing level 16,000 ft. Wednesday through Thursday night, 15,000 ft. Friday and Friday night, then snow level above 8,000 ft. Saturday.
  • highs 89-72 lows 58-52.