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Tim Chuey Weather

by | Jul 16, 2023 | Weather

July 17, 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 UNTIL 11 PM TONIGHT FOR WIND  AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON.
  • A RED FLAG WARNING IS IN EFFECT FROM 11 PM TONIGHT UNTIL 8 AM TUESDAY FOR EAST WIUND WITH POOR OVERNIGHT RELATIVE HUMIDITY RECOVERY FOR THE WESTERN SISKIYOU NATIONAL FOREST AND THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING FOR STRONG GUSTY WIND. AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST.

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 High Pressure Ridge (“Arch” shape) will continue the onshore airflow through the Pacific Northwest, then slow warming will take place. The graphics for days 1-3  show a weak disturbance (dashed line) moving through today helping to increase onshore airflow and cooling. The graphics for days 3-7   Thursday through Monday show a cold front pushing through Oregon between Friday and next Saturday.
  • Note: Eugene’s high temperature of 100 degrees Saturday was 2 degrees short of a record while Roseburg’s high temperature of 101 degrees Saturday was one degree short of the record high of 102 degrees.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Some AM clouds, sunny and cooler this afternoon, clear tonight,
  • Sunny and a bit warmer Tuesday, then clear at night,
  • Sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • highs 82-92 lows 52-55.
  • Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Mostly sunny Friday, mostly clear at night,
  • Mostly sunny and a bit cooler Saturday, clear Saturday night,
  • Then sunny and a bit cooler Sunday.
  • highs 90-87 lows near 54.  (seasonal averages high 85 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • AM clouds, sunny and a bit cooler this afternoon, clear tonight,
  • Sunny and a bit warmer Tuesday, clear at night,
  • Sunny and a bit cooler Wednesday, then clear Wednesday night.
  • highs 87-92 cooling to 89 Wednesday lows near 58.
  • Sunny and a bit warmer Thursday, clear Thursday night,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Sunny and a bit warmer Saturday, clear Saturday night,
  • Then sunny Sunday.
  • highs 92-90 warming back to 92 Saturday and Sunday lows near 58 (seasonal averages high 87 low 58)

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

  • Some AM clouds, sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy late tonight,
  • Sunny Tuesday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, partly cloudy in the evening, then mostly cloudy late Wednesday night.
  • highs 73-69 lows 54-56.
  • Partly cloudy and a bit warmer Thursday and Friday, partly cloudy both nights,
  • Some AM clouds, sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late Saturday night,
  • Then sunny Sunday.
  •  highs 70-74 lows near 56. (seasonal averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit cooler today, clear tonight,
  • Sunny and a bit warmer Tuesday, clear at night,
  • Sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • free air freezing level 15,000 ft. rising to 16,000 ft. this afternoon, 16,000 ft. tonight, then 15,000 ft. Tuesday through Wednesday night.
  • highs 72-83 lows 42-50.
  • Sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit warmer Friday, mostly clear at night,
  • Sunny and a bit cooler Saturday, clear Saturday night,
  • Then sunny Sunday.
  • free air freezing level 15,000 ft. Thursday, then 16,000 ft. Thursday night though Sunday.
  • highs 80-82 cooling to 78 Saturday and Sunday lows 49-46.