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June 9, 2024

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

  • NONE AT THIS TIME.

HEALTH ADVISORIES

  • 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) starts heating us up. The graphics for days 1-3  show the frontal system that moved through the Pacific Northwest today. The graphics for days 3-7   Wednesday through Sunday show a cold front that will be pushing through the Pacific Northwest Friday and Friday night.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly clear tonight,
  • Sunny and a bit cooler Monday, partly cloudy in the evening, mostly clear Monday night,
  • Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
  • Mostly sunny and a bit cooler Wednesday, then clear Wednesday night.
  • lows 50-45 highs 82-75.
  • Sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, partly cloudy at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Saturday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Saturday night,
  • A mix of clouds and sun with a slight (20%) chance of AM showers, then mostly cloudy with a slight (20%) chance of showers Sunday afternoon.
  • highs 79-69 lows near 46.  (seasonal averages high 72 low 47)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny and a bit warmer Monday, mostly clear Monday night,
  • Sunny and a bit cooler Tuesday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, then clear Wednesday night.
  • lows 52-50 highs 85-79.
  • Sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday, mostly cloudy in the evening, partly cloudy late Saturday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday.
  •  highs 82-72 warming to 74 Sunday lows 52-49. (seasonal average high 75 low 51)

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

  • Partly cloudy this evening, mostly cloudy late tonight,
  • Some AM clouds, sunny and a bit warmer Monday afternoon, mostly clear Monday night,
  • AM sun, partly cloudy and a bit warmer Tuesday afternoon, partly cloudy at night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, then clear Wednesday night.
  • lows 48-46 highs 68-66.
  • Sunny and a bit cooler Thursday, partly cloudy Thursday night,
  • Partly cloudy Friday and at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, just partly cloudy Saturday afternoon, partly cloudy Saturday night,
  • Then partly cloudy with a slight (20%) chance of showers Sunday afternoon.
  • highs near 65 lows near 46. (seasonal average high 63 low 51)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear late Monday night,
  • Sunny and a bit cooler Tuesday, mostly clear in the evening, partly cloudy late at night,
  • Sunny and a bit warmer Wednesday, then clear Wednesday night.
  •  free air freezing level 13,000 ft. tonight, 14,000 ft. Monday, 14,000 ft. rising to 15,000 ft. late Monday night, 14,000 ft. Tuesday, 14,000 ft. rising to 15,000 ft. Tuesday night, then 14,000 ft. Wednesday and Wednesday night.
  • lows 42-46 cooling to 40 Tuesday night warming back to 42 Wednesday night highs 74-68 warming to 70 Monday.
  • Sunny and a bit warmer Thursday, mostly clear in the evening, partly cloudy late Thursday night,
  • Mostly sunny and cooler Friday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Saturday, mostly cloudy with a slight (20%) chance of rain and snow showers Saturday night,
  • A mix of clouds and sun with a slight (20%) chance of AM rain and snow showers, then mostly cloudy and a bit warmer with a slight (20%) chance of rain and snow showers Sunday afternoon.
  • free air freezing level 15,000 ft. Thursday, 14,000 ft. Thursday night, 11,000 ft. Friday, snow level 6,500 ft. Friday night, 6,000 ft. Saturday and Saturday night, then 6,500 ft. Sunday.
  • highs 74-56 warming to 58 Sunday lows 42-33.