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Tim Chuey Weather

by | Aug 16, 2023 | Weather

August 16, 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 UNTIL 11 PM TONIGHT 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 UNTIL 10 PM THURSDAY  FOR  THE LOWER COLUMBIA, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM WEDNESDAY FOR SISKIYOU MOUNTAINS AND THE SOUTH CENTRAL OREGON CASCADES.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 5 AM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST.
  • A HEAT ADVISORY IS IN EFFECT FROM 5 AM UNTIL 11 PM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 5 AM THURSDAY CENTRAL DOUGLAS COUNTY.   EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 11 PM THURSDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND THE SOUTH CENTRAL OREGON CASCADES.
  • A HEAT ADVISORY IS IN EFFECT FROM 5 AM UNTIL 11 PM THURSDAY  FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 5 AM THURSDAY FOR THE SOUTH CENTRAL OREGON CASCADES.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL OREGON CASCADES.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 11 PM THURSDAY FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.
  • AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 11 PM THURSDAY 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 UNTIL 10 PM THURSDAY FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL OREGON CASCADES.
  • A HEAT ADVISORY IS IN EFFECT 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 UNTIL 11 PM TONIGHT FOR THE KLAMATH BASIN, NORTHERN, WESTERN,  AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 5 AM THURSDAY FOR CENTRAL DOUGLAS COUNTY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, AND THE LOWER COLUMBIA.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MDT FOR BAKER COUNTY AND THE OREGON LOWER TREASURE VALLEY.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT 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 UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, AND THE FREMONT-WINEMA NATIONAL FOREST.
  • A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 11 PM THURSDAY FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING FOR THE DESCHUTES NATIONAL FOREST AND THE MINUS SISTERS RANGER DISTRICT.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, AND THE FREMONT-WINEMA NATIONAL FOREST.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE OF THE CENTRAL OREGON CASCADES AND AND THE CENTRAL MOUNTAINS OF OREGON.
  • A RED FLAG WARNING IS IN EFFECT FROM 10 AM THURSDAY UNTIL 9 PM FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE NORTHERN OREGON CASCADES, AND THE LOWER COLUMBIA BASIN OF OREGON.
  • A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 11 PM THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE UMPQUA NATIONAL FOREST, THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE COUNTY AND WESTERN HARNEY COUNTY.
  • AN AIR QUALITY ADVISORY FOR SMOKE IS IN EFFECT UNTIL 6 AM FRIDAY FOR THE SOUTH WILLAMETTE VALLEY, THE CASCADES FOOTHILLS IN LANE COUNTY, AND THE CASCADES IN LANE COUNTY.
  • AN AIR QUALITY ADVISORY FOR SMOG  IS IN EFFECT UNTIL 6 AM THURSDAY FOR THE SOUTH WILLAMETTE VALLEY, THE CASCADES FOOTHILLS IN LANE COUNTY, AND THE CASCADES IN LANE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 6 AM THURSDAY FOR SMOG FOR THE GREATER PORTLAND METRO AREA AND THE CENTRAL WILLAMETTE VALLEY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 2 AM THURSDAY FOR JACKSON COUNTY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 11 PM THURSDAY FOR KLAMATH COUNTY.
  • AN AIR QUALITY ALERT IS IS IN EFFECT UNTIL 11 PM THURSDAY FOR CROOK COUNTY AND 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

  • Upper Level Low Pressure off the California coast will help to slowly cool our Hot temperatures. The graphics for days 1-3  show no fronts moving into the Pacific Northwest, but one to our northwest Thursday.  The graphics for days 3-7   Saturday through Wednesday show a frontal system moving into the Pacific Northwest Saturday. Then another cold front to our northwest next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy and hazy tonight,
  • Partly cloudy and cooler, still warm Thursday, partly cloudy Thursday night,
  • Partly cloudy and a bit cooler Friday, mostly clear at night,
  • Mostly sunny Saturday, then mostly clear Saturday night.
  • lows 63-52 warming to 55 Saturday night highs 92-85.
  • Mostly sunny and a bit warmer Sunday, partly cloudy Sunday night,
  • Partly cloudy and a bit cooler Monday and at night,
  • Then mostly sunny and a bit cooler Tuesday and Wednesday, mostly clear Tuesday night.
  • highs 92-88 lows 59-57 warming back to 59 Tuesday night.  (seasonal averages high 84 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy with a slight (20%) chance of evening thunderstorms, mostly cloudy with a slight (20%) chance of thunderstorms late tonight,
  • Mostly cloudy with a slight (20%) chance of AM thunderstorms, mostly cloudy and a bit cooler, still Hot with a slight (20%) chance of thunderstorms Thursday afternoon, a slight (20%) chance of thunderstorms Thursday night,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, mostly clear at night,
  • Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
  • lows 67-58 highs 104-92.
  • Mostly sunny and a bit cooler Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
  • Partly cloudy Monday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and a bit warmer Tuesday afternoon, partly cloudy with a slight (20%) chance of showers Tuesday night,
  • Then sunny Wednesday.
  • highs 89-92 lows near 58. (seasonal averages high 86 low 57)

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

  • Becoming mostly cloudy late tonight,
  • Mostly cloudy with a slight (20%) chance of inland AM thunderstorms, mostly cloudy and a bit cooler Thursday afternoon, mostly cloudy Thursday night,
  • AM clouds, sunny Friday afternoon, mostly clear at night,
  • Mostly sunny Saturday, then mostly clear Saturday night.
  • lows 59-55 highs 79-77.
  • Mostly sunny Sunday, partly cloudy in the evening, mostly cloudy late Sunday night,
  • Partly cloudy Monday, partly cloudy at night,
  • Partly cloudy Tuesday,partly cloudy Tuesday night,
  • Then sunny Wednesday.
  •  highs near 77 lows near 56. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with areas of smoke and a slight (20%) chance of evening thunderstorms, mostly cloudy land hazy with areas of smoke late tonight,
  • Mostly cloudy and hazy with a slight (20%) chance of thunderstorms and a bit cooler Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just mostly cloudy late Thursday night,
  • Partly cloudy and a bit cooler Friday, mostly clear at night,
  • Mostly sunny and a bit warmer Saturday, partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late Saturday night.
  • free air freezing level 16,000 ft. tonight, 15,000 ft. Thursday, snow level above 8,000 ft. Thursday night, 14000 ft. Friday through Saturday, then snow level above 8,000 ft. Saturday night.
  • lows 62-50 highs 82-76 warming to 77 Saturday.
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Sunday afternoon and evening, just partly cloudy late Sunday night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Monday afternoon and evening, partly cloudy Monday night,
  • Partly cloudy with a slight (20%) chance of showers Tuesday afternoon, partly cloudy Tuesday night,
  • Then partly cloudy Wednesday.
  • snow level above 8,000 ft. Sunday through Tuesday, then free air freezing level 14,000 ft. Wednesday.
  • highs 75-72 lows near 49.