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Tim Chuey Weather

by | May 23, 2024 | Weather

May 23, 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 moving away from us as weak High Pressure tries to replace it. The graphics for days 1-3  show no frontal  systems that moving into or through Oregon. The graphics for days 3-7     Sunday through Thursday show a cold front that will push into the Pacific Northwest between Tuesday and next Wednesday.

Note: The weather looks pretty good for the Memorial Day Holiday weekend. The only chance of a little rain seems to be between Friday and Saturday afternoon. That means Sunday and Memorial Day should be bright and dry.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy this evening, mostly cloudy late tonight,
  • Mostly cloudy with a good (50%) chance of showers and a bit cooler Friday afternoon (under 0.10 in. of rain possible), mostly cloudy with a good (50%) chance of showers Friday night,
  • Clouds and sun with a good (50%) chance of AM showers, a mix of clouds and sun with a slight (20%) chance of showers Saturday afternoon (under 0.10 in. of rain possible), partly cloudy in the evening, mostly clear late at night,
  • Sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • lows 46-42 warming to 45 Sunday night highs 63-72.
  • Sunny and a bit warmer Monday (Memorial Day), mostly clear in the evening, partly cloudy late Monday night,
  • A mix of clouds and sun with a slight (20%) chance of showers and a bit cooler Tuesday, mostly cloudy with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late at night,
  • Mostly sunny with a slight (20%) chance of showers and a bit cooler Wednesday, just mostly clear Wednesday night,
  • Then sunny and a bit warmer Thursday.
  • highs 76-70 warming to 72 Thursday lows 49-44.  (seasonal averages high 70 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • Becoming mostly cloudy with patchy fog late tonight,
  • Patchy AM fog, mostly cloudy and a bit warmer with a slight (20%) chance of rain Friday afternoon, mostly cloudy with a (30%) chance of rain Friday night (under 0.10 in. of rain possible), patchy fog late,
  • Mostly cloudy with patchy AM fog with a slight (20%) chance of rain, just partly cloudy and a bit cooler Saturday afternoon, mostly clear with patchy fog late at night,
  • Patchy AM fog, mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • lows 49-44 highs 68-65 warming to 76 Sunday
  • Patchy AM fog, mostly sunny and a bit warmer Monday afternoon (Memorial Day), mostly clear in the evening, partly cloudy late Monday night,
  • Mostly cloudy start, partly cloudy and a bit cooler Tuesday afternoon, partly cloudy with a slight (20%) chance of rain late at night,
  • AM clouds, sunny Wednesday afternoon, mostly clear Wednesday night,
  • Then mostly sunny Thursday.
  • highs 79-73 warming to 76 Thursday lows 48-52 cooling to 47 Wednesday night . (seasonal average high 72 low 49)

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

  • Mostly clear  with patchy late evening fog, mostly cloudy with patchy fog becoming areas of fog late tonight,
  • Mostly cloudy with patchy AM fog, mostly cloudy and a bit cooler with a slight (20%) chance of coastal rain Friday while a slight (20%) of inland showers Friday afternoon (under 0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of rain Friday night (under 0.10 in. of rain possible), patchy fog late,
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit cooler Saturday afternoon, mostly clear with patchy fog late at night,
  • Patchy AM fog, mostly sunny and a bit warmer Sunday afternoon, then mostly clear with patchy fog late Sunday night.
  • lows 43-45 cooling to 40 Saturday night warming to 44 Sunday night highs 60-62.
  • Patchy AM fog, sunny and a bit warmer Monday (Memorial Day), partly cloudy in the evening, mostly cloudy with patchy fog late Monday night,
  • Mostly cloudy and a bit cooler cooler Tuesday, mostly cloudy with a slight (20%) chance of rain late at night,
  • Mostly cloudy start, sunny and a bit cooler Wednesday afternoon, mostly clear Wednesday night,
  • Then mostly sunny Thursday.
  • highs 64-62 warming back to 64 Thursday lows 46-44. (seasonal average high 61 low 49)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy this evening, mostly cloudy late tonight,
  • Mostly cloudy  with a good (50%) chance of showers and a bit cooler Friday afternoon (under 0.10 in. of rain possible), mostly cloudy with showers Friday night and snow showers late Friday night (0.25 in. of rain possible, 1 in. of snow possible,),
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, a mix of clouds and sun with a good (50%) chance of rain and snow showers and a bit cooler Saturday afternoon, just partly cloudy at night,
  • Sunny and warmer Sunday, then mostly clear Sunday night.
  • free air freezing level 9,000 ft. tonight, snow level 6,000 ft. Friday, 6,500 ft. falling to 5,000 ft. late Friday night, 4,000 ft. Saturday, free air freezing level 7,000 ft. rising to 8,000 ft. Saturday night, 10,000 ft. Sunday, then 11,000 ft. Sunday night.
  • lows 36-32 warming to 38 Sunday night highs 52-46 warming to 62 Sunday.
  • Sunny and a bit warmer Monday (Memorial Day), mostly clear Monday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Tuesday, mostly cloudy with a (40%) chance of showers at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night,
  • Then sunny and a bit warmer with a slight (20%) chance of showers Thursday.
  • free air freezing level 11,000 ft. Monday and Monday night, snow level 8,000 ft. Tuesday, 7,000 ft. Tuesday night, 6,000 ft. Wednesday, then 6,500 ft. Wednesday night and Thursday.
  • highs 68-58 warming to 62 Thursday lows 42-36.