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Tim Chuey Weather

by | May 18, 2024 | Weather

May 19, 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 Low Pressure Trough (“U” shape ) is approaching the West Coast bringing unsettled weather. The graphics for days 1-3  show frontal  systems moving into or across Oregon. The graphics for days 3-7   Wednesday through Sunday show a cold front that will push into the Pacific Northwest Friday and Friday night.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly sunny today, partly cloudy this evening, mostly clear late tonight,
  • Sunny and a bit warmer Monday, mostly clear with patchy fog late at night,
  • Mostly sunny with a slight (20%) of AM rain, mostly cloudy and a bit cooler with a slight (20%) chance of rain Tuesday afternoon, then mostly cloudy with a good (50%) chance of rain Tuesday night, patchy fog late.
  • highs 63-69 cooling to 66 Tuesday lows 39-49.
  • Mostly cloudy with patchy AM fog and and a good (50%) chance of rain, partly cloudy and a bit cooler with a good (50%) chance of rain Wednesday afternoon, partly cloudy with patchy fog and a slight (20%) chance of showers Wednesday night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of showers Thursday, partly cloudy with patchy fog and a (30%) chance of showers at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night,
  • Then a mix of clouds and sun and a bit cooler with a (30%) chance of showers Saturday.
  • highs 64-69 cooling to 66 Saturday lows 44-46.  (seasonal averages high 69 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy and a bit cooler with a slight (20%) chance of showers this afternoon, partly cloudy this evening, mostly clear late tonight,
  • Sunny and a bit warmer Monday, mostly clear at night,
  • Partly cloudy start, mostly cloudy and a bit warmer Tuesday afternoon, then mostly cloudy with a slight (2o%) chance of showers Tuesday night.
  • highs 65-72 lows 43-52.
  • Mostly cloudy with a (20%) chance of showers and a bit cooler Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night,
  • Partly cloudy with a slight (20%) chance of showers and a bit warmer Thursday, a slight (20%) of showers at night,
  • Partly cloudy and a bit warmer with a slight (20%) of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night,
  • Then mostly cloudy and a bit cooler with a slight (20%) chance of showers Saturday.
  • highs 66-72 cooling to 68 Saturday lows 46-49. (seasonal average high 72 low 49)

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

  • Partly cloudy with a slight (20%) chance of AM coastal showers, becoming sunny and a bit cooler this afternoon, mostly clear tonight,
  • Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy at night,
  • Partly cloudy start, mostly cloudy Tuesday afternoon, mostly cloudy with a slight (20%) chance of showers Tuesday night,
  • highs 59-62 lows 42-48.
  • Mostly cloudy with a slight (20%) chance of AM showers, just partly cloudy and a bit cooler Wednesday afternoon, partly cloudy in the evening, mostly cloudy late Wednesday night.
  • Partly cloudy and a bit warmer Thursday, partly cloudy with a slight (20%) chance of showers late at night,
  • Mostly cloudy with a slight (20%) chance of showers Friday and Friday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy with a slight (20%) chance of showers Saturday afternoon.
  • highs 59-62 lows 44-46. (seasonal average high 61 low 49)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny today, partly cloudy tonight,
  • Sunny and a bit warmer Monday, mostly clear at night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain Tuesday, then mostly cloudy with showers likely (70%) Tuesday night.
  • free air freezing level 4,500 ft. rising to 5,500 ft. this afternoon, 6,000 ft. falling to 5,500 ft. late tonight, 7,500 ft. rising to 7,000 ft. Monday afternoon, 8,000 ft. falling to 7,500 ft. late Monday night, snow level 6,500 ft. Tuesday, then 7,500 ft. Tuesday night.
  • highs 48-55 lows 28-38.
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, partly cloudy and a bit cooler with a good (50%) chance of rain and snow showers Wednesday afternoon, mostly cloudy with a good (50%) chance of rain and snow showers Wednesday night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain and snow showers Thursday, mostly cloudy with a (40%) chance of showers at night,
  • A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday, mostly cloudy with a good (50%) rain and snow showers  Friday night,
  • Then a mix of clouds and sun and a bit cooler with a (40%) chance of rain and snow showers Saturday.
  • snow level 6,000 ft. Wednesday, 5,500 ft. Wednesday night and Thursday, 6,500 ft. Thursday night through Friday night, then 6,000 ft. Saturday.
  • highs 46-55 cooling to 53 Saturday lows 32-35.