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Tim Chuey Weather

by | Aug 4, 2023 | Weather

August 4, 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

  • A RED FLAG WARNING IS IN EFFECT FOR SCATTERED LIGHTNING THROUGH 11 PM TONIGHT FOR LIGHTNING FOR THE BURNS BLM AND THE VALE BLM.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING FOR THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE COUNTY AND WESTERN HARNEY COUNTY.
  • A RED FLAG WARNING IS IN EFFECT THROUGH THIS EVENING FOR ABUNDANT LIGHTNING FOR THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT, THE CENTRAL MOUNTAINS OF OREGON, AND THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING  ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 11 PM SUNDAY FOR KLAMATH COUNTY AND LAKE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL FURTHER NOTICE 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 PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

THE WEATHER PATTERN

  • An 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   Monday through Friday show a frontal system moving through Tuesday and another approaching the coast next Thursday and Friday. So far the wildfire smoke has been staying in Eastern Lane County, but if the winds shift that might not be the case. Haze over Eugene and Springfield is the only sign of the wildfires.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy tonight,
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit warmer Sunday, partly cloudy at night,
  • Partly cloudy and a bit cooler Monday, then partly cloudy Monday night.
  • lows near 57 highs 92-93 cooling to 89 Monday.
  • A mix of clouds and sun and a bit cooler Tuesday, partly cloudy in the evening, mostly cloudy late Tuesday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday, just partly cloudy at night,
  • Partly cloudy and a bit warmer Thursday, mostly clear Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 86-92 lows near 58.  (seasonal averages high 86 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear and hazy tonight,
  • Sunny and hazy and a bit warmer Saturday, evening haze, mostly clear Saturday night,
  • Sunny Sunday, clear at night,
  • Sunny and a bit cooler Monday, then partly cloudy Monday night.
  • lows 60-62 cooling to 60 Monday night highs 92-90.
  • Partly cloudy Wednesday and at night,
  • Some AM clouds, sunny and a bit warmer Thursday afternoon, mostly clear Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 87-94 lows near 62. (seasonal averages high 87 low 58)

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

  • Clear with evening haze, mostly cloudy with coastal haze late tonight while inland haze tonight,
  • Mostly cloudy and hazy and a bit warmer Saturday, partly cloudy with inland evening haze, mostly cloudy late Saturday night,
  • Some AM clouds, sunny Sunday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy Monday, then mostly cloudy Monday night.
  • lows 58-60 highs near 76.
  • Mostly cloudy and a bit warmer Tuesday, mostly cloudy Tuesday night,
  • Mostly cloudy Wednesday, mostly cloudy at night,
  • Partly cloudy Thursday, partly cloudy Thursday night,
  • Then sunny Friday.
  •  highs near 78 lows 59-57. (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 isolated evening showers and thunderstorms, just partly cloudy with areas of smoke late tonight,
  • Mostly sunny and hazy with a slight (20%) chance of showers and a bit cooler Saturday, mostly clear with a slight (20%) chance of evening showers, just mostly clear late Saturday night,
  • Mostly sunny and a bit warmer Sunday, mostly clear at night,
  • AM sun, partly cloudy and a bit warmer Monday afternoon, then partly cloudy Monday night.
  • free air freezing level 13,000 ft. late tonight, snow level above 8,000 ft. Saturday and Saturday night, free air freezing level 13,000 ft. Sunday, 14,000 ft. Sunday night and Monday, then 15,000 Monday night.
  • lows 52-47 highs 72-74.
  • Partly cloudy and a bit cooler Tuesday, partly cloudy in the evening, mostly cloudy late Tuesday night,
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler Wednesday afternoon, partly cloudy at night,
  • Some AM clouds, sunny and a bit warmer Thursday afternoon, mostly clear Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  •  free air freezing level 15,000 ft. Tuesday, 14,000 ft. Tuesday night, snow level above 8,000 ft. Wednesday, then free air freezing level 15,000 ft. Wednesday night through Friday.
  • highs 72-70 warming to 78 Friday lows  near 48.