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Tim Chuey Weather

by | Jul 21, 2023 | Weather

July 21, 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 HEAT ADVISORY IS IN EFFECT UNTIL MIDNIGHT MDT SUNDAY NIGHT FOR THE OREGON LOWER TREASURE VALLEY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL MIDNIGHT MDT SATURDAY NIGHT FOR THE OWYHEE MOUNTAINS AND MALHEUR COUNTY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR BAKER COUNTY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM SATURDAY FOR HARNEY COUNTY.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY R THE BURNS BLM AND VALE BLM.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY,  AND LIGHTNING FOR THE OWYHEE MOUNTAINS.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM SATURDAY FOR CURRY COUNTY, JACKSON COUNTY, AND JOSEPHINE 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

  • We’re between an Upper Level High Pressure Ridge (“Arch” shape) and an Upper Level Low Pressure Trough. The graphics for days 1-3  show a weak cold front approaching the coast Saturday. The graphics for days 3-7   Monday through Friday show frontal activity pushing through Oregon Monday through Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny and a bit cooler Saturday afternoon, partly cloudy Saturday night,
  • Mostly sunny Sunday, mostly clear at night,
  • Mostly sunny start, partly cloudy and a bit cooler Monday afternoon and evening, then cloudy late Monday night.
  • lows 55-58 highs 87-82.
  • AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
  • Mostly sunny and slightly warmer Wednesday, clear at night,
  • Mostly sunny and a bit cooler Thursday, clear Thursday night,
  • Then sunny Friday.
  • highs 84-87 cooling to 86 Thursday and Friday lows near 52.  (seasonal averages high 86 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear tonight,
  • Some AM clouds, sunny Saturday afternoon, mostly clear in the evening, partly cloudy with patchy fog late Saturday night,
  • Some AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear with patchy fog late at night,
  • Mostly sunny Monday, then mostly clear Monday night.
  • lows 60-57 warming back to 60 Monday night highs 92-87.
  • Mostly sunny and a bit warmer Tuesday, clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Then sunny Thursday and Friday, clear Thursday night.
  • highs 88-89 cooling to 87 Friday lows near 56 (seasonal averages high 87 low 58)

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

  • Partly cloudy with evening coastal fog and mostly cloudy with coastal fog late tonight while mostly cloudy with patchy inland fog late tonight,
  • Some AM clouds with patchy fog, sunny and a bit warmer Saturday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Saturday night,
  • AM clouds and patchy fog, sunny and a bit cooler Sunday afternoon, mostly cloudy with patchy fog at night,
  • AM clouds and patchy fog, partly cloudy and a bit warmer Monday afternoon, partly cloudy in the evening, then mostly cloudy late Monday night.
  • lows 55-58 highs 74-72 warming back to 74 Monday.
  • Some AM clouds, sunny and hazy and a bit warmer Tuesday, mostly clear and hazy Tuesday night,
  • Mostly sunny and hazy and a bit cooler Wednesday, mostly clear and hazy at night,
  • Then mostly sunny and hazy Thursday and Friday, mostly clear Thursday.
  •  highs 75-73 lows near 55. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Evening haze, mostly clear late tonight,
  • Mostly sunny Saturday, partly cloudy Saturday night,
  • Partly cloudy and a bit cooler Sunday, mostly clear at night,
  • Mostly sunny and a bit cooler Monday, partly cloudy in the evening, then mostly cloudy late Monday night.
  • free air freezing level 16,000 ft. tonight through Sunday night, then 14,000 ft. Monday, then 15,000 ft.  Monday night.
  • lows 50-45 highs 76-70.
  • AM clouds and sun, sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Then sunny Thursday and Friday, clear Thursday night.
  • free air freezing level 14,000 ft. Tuesday, 15,000 ft. Tuesday night, 14,000 ft. Wednesday, 15,000 ft. Wednesday night, then 14,000 ft. Thursday through Friday.
  • highs 72-74 lows near 45.