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June 10, 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 a weak cold front will through the Pacific Northwest Tuesday. The graphics for days 3-7   Thursday through Monday show a cold front that will be pushing through the Pacific Northwest between Friday and Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly clear tonight,
  • Mostly sunny and a bit cooler Tuesday, partly cloudy in the evening, mostly clear late Tuesday night,
  • Sunny and a bit cooler Wednesday, clear at night,
  • Sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 52-45 highs 78-76 warming back to 78 Thursday.
  • Mostly sunny and a bit cooler Friday, partly cloudy in the evening, mostly cloudy Friday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Saturday, mostly cloudy  with a slight (20%) chance of shower at night,
  • A mix of clouds and sun with a (30%) chance of showers Sunday (Father’s Day), mostly cloudy with a slight (20%) chance of rain Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM rain, then partly and a bit warmer with a slight (20%) chance of rain Monday afternoon.
  • highs 74-70 warming to 72 Monday lows 48-46.  (seasonal averages high 73 low 47)

Forecast for the Umpqua Valley including Roseburg:

  • Clear tonight,
  • Sunny and a bit cooler Tuesday, partly cloudy Tuesday night,
  • Sunny and a bit cooler Wednesday afternoon, clear at night,
  • Sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 55-49 highs 83-79 warming to 82 Thursday.
  • Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
  • Mostly cloudy with a slight (20%) chance of AM rain, just partly cloudy and a bit cooler Saturday afternoon, partly cloudy at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of rain Sunday (Father’s Day), a slight (20%) chance of rain Sunday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of rain Monday.
  •  highs 77-72 warming to 75 Monday lows 52-49. (seasonal average high 75 low 52)

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

  • Mostly clear this evening, becoming mostly cloudy late tonight,
  • Partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, clear at night,
  • Mostly sunny Thursday, then mostly clear Thursday night.
  • lows 47-46 highs 67-65 warming back to 67 Thursday.
  • Partly cloudy and a bit warmer Friday and Friday night,
  • Partly cloudy with a slight (20%) chance of AM rain, just partly cloudy and a bit cooler Saturday afternoon, partly cloudy at night,
  • Partly cloudy with a slight (20%) chance of rain Sunday (Father’s Day), mostly cloudy with a slight (20%) chance of rain Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM rain, then partly cloudy with a slight (20%) chance of rain Monday 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 cooler Tuesday, partly cloudy late Tuesday night,
  • Sunny and a bit cooler Wednesday, clear at night,
  • Sunny and a bit warmer Thursday, mostly clear in the evening, then partly cloudy late Thursday night.
  •  free air freezing level 15,000 ft. tonight, 14,000 ft. Tuesday through Thursday, then 13,000 ft. Thursday night.
  • lows 47-40 warming to 42 Wednesday night cooling to 40 Wednesday night highs 68-74.
  • Mostly sunny and cooler Friday, partly cloudy in the evening, mostly cloudy late  Friday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Saturday, mostly cloudy with a slight (20%) chance of rain and snow showers at night,
  • Mostly cloudy with a (40%) chance of AM showers and a slight (20%) chance of snow showers, partly cloudy with a (40%) chance of showers and a slight (20%) chance of snow showers Sunday afternoon (Father’s Day), mostly cloudy with a (40%) chance of showers and a slight (20%) chance of snow showers.
  • Mostly cloudy with with a (40%) chance of AM rain and snow showers, partly cloudy with a (40%) chance of rain and snow showers and a bit cooler Monday afternoon.
  • free air freezing level 11,000 ft. Friday, 9,000 ft. Friday night, snow level 6,000 ft. Saturday, 6,500 ft. Saturday night and Sunday, then 7,000 ft. Sunday night and Monday.
  • highs 60-54 warming to 62 Monday lows 37-34 warming back to 37 Monday.