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Tim Chuey Weather

by | Aug 7, 2023 | Weather

August 7, 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 AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR THE SOUTH WILLAMETTE VALLEY, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE CASCADES IN LANE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL FURTHER NOTICE FOR KLAMATH COUNTY AND LAKE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR DESCHUTES COUNTY.
  • A FLASH FLOOD WATCH IS IN EFFECT THROUGH THIS EVENING FOR WALLOWA 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 Low Pressure Trough (“U” shape) keeps our weather pattern stable with a bit above normal temperatures. The graphics for days 1-3  show a cold front moving into the Pacific Northwest between Tuesday and Wednesday. The graphics for days 3-7   Thursday through Monday show a frontal system to our northwest next Monday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy tonight,
  • Some AM clouds, sunny and a bit warmer Tuesday afternoon, partly cloudy 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,
  • AM clouds and sun, sunny and a bit cooler Thursday afternoon, then clear Thursday night.
  • lows 56-59 cooling to 55 Thursday night highs 90-87.
  • Sunny and a bit warmer Friday and Saturday, clear both nights,
  • Sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Then mostly sunny and a bit warmer Monday.
  • highs 90-97 lows 56-60.  (seasonal averages high 86 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy tonight,
  • Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, mostly clear in the evening, partly cloudy at night,
  • AM clouds, sunny and a bit warmer Thursday afternoon, then clear Thursday night.
  • lows 59-63 cooling back to 59 Thursday night highs 92-88.
  • Sunny and a bit warmer Friday and Saturday, clear both nights,
  • Sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Then mostly sunny and a bit warmer Monday.
  • highs 92-99 lows 60-64. (seasonal averages high 87 low 58)

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

  • Partly cloudy this evening, mostly cloudy late tonight,
  • AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear in the evening, mostly cloudy late Tuesday night,
  • Mostly cloudy with a slight (20%) chance of AM coastal showers, partly cloudy Wednesday afternoon, mostly cloudy late Wednesday night,
  • AM clouds, sunny Thursday, then mostly clear Thursday night,
  • lows near 59 highs near 79.
  • Mostly sunny and a bit cooler Friday, mostly clear Friday night,
  • Mostly sunny and a bit warmer Saturday, mostly at night,
  • Then mostly sunny and a bit warmer Sunday and Monday, mostly clear Sunday night.
  •  highs 77-81 lows 58-60. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy tonight,
  • Mostly sunny and a bit warmer Tuesday, evening  haze with patchy smoke, mostly clear Tuesday night,
  • Partly cloudy and a bit cooler Wednesday, partly cloudy at night,
  • Some AM clouds, sunny Thursday afternoon, then clear Thursday night.
  • free air freezing level 13,000 ft. rising to 15,000 late tonight, 15,000 ft.rising to 16,000 ft. Tuesday afternoon, 15,000 ft.  Tuesday night, 14,000 ft. Wednesday, then 15,000 ft. Wednesday night through Thursday night.
  • lows 45-47 highs 76- 72.
  • Sunny and a bit warmer Friday, Saturday, and Sunday mostly clear each night,
  • Then mostly sunny and a bit warmer Monday.
  • free air freezing level 15,000 ft. Friday through Saturday, then 16,000 ft. Saturday night through Sunday night.
  • highs 75-84 lows 48-53.