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Tim Chuey Weather

by | May 13, 2024 | Weather

May 13, 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 ) is approaching the West Coast. The graphics for days 1-3  show weak frontal waves moving across Oregon today and Tuesday for cooling. The graphics for days 3-7     Thursday through Monday show a frontal system sliding through Oregon between Thursday and Friday and another frontal system sliding in next Monday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly clear this evening, partly cloudy late tonight,
  • Sunny and slightly cooler Tuesday, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit cooler Thursday, then clear Thursday night.
  • lows 46-52 cooling to 49 Thursday night highs 74-80 cooling to 79 Thursday.
  • Mostly sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday.
  • highs 70-73 cooling to 69 Friday lows 42-45t  (seasonal averages high 68 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Mostly sunny Thursday, then mostly clear Thursday night.
  • lows 50-54 highs 77-85.
  • Some AM clouds, sunny and cooler Friday, clear Friday night,
  • Sunny and a bit cooler Saturday, mostly clear at night,
  • Mostly sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Monday.
  • highs 83-73 warming to 76 Sunday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)

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

  • Variably cloudy tonight,
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, then mostly clear Thursday night.
  • lows 46-48 highs 64-68 cooling to 66 Thursday.
  • Some AM clouds, sunny and a bit cooler Friday afternoon,  mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night,
  • Mostly sunny Sunday, partly cloudy in the evening, mostly cloudy late Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler Monday afternoon.
  • highs 64-62 lows 44-46. (seasonal average high 60 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy tonight,
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  •  Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit warmer Thursday, mostly clear Thursday night.
  • free air freezing level 12,000 ft. tonight, 13,000 ft. Tuesday through Wednesday, 13,000 ft. rising to 14,000 ft.  late Wednesday night,  then 14,000 ft. Thursday and Thursday night.
  • lows 38-44 cooling to 42 Thursday night highs 67-72.
  • Sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
  • Mostly sunny and a bit cooler with a (40%) chance of showers and a slight (20%) chance of snow showers Monday.
  • free air freezing level 12,000 ft. Friday, 10,000 ft. Friday night, 10,000 ft. Saturday and Saturday night, 11,000 ft. Sunday, snow level 7,000 ft. Sunday, then 6,000 ft. Monday.
  • highs 60-62 cooling to 56 Monday lows 33-37.