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Tim Chuey Weather

by | Apr 5, 2024 | Weather

April 5, 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

  • A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM SATURDAY FOR WALLOWA COUNTY AND THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • A FLOOD WARNING IS IN EFFECT THROUGH LATE WEDNESDAY MORNING FOR THE OWYHEE RIVER BELOW THE OWYHEE DAM AFFECTING MALHEUR COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON MDT SATURDAY FOR MALHEUR COUNTY.

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:

  • A strong Upper Level Low Pressure Trough (“U” shape) is moving into the Pacific Northwest to be followed by a building Upper Level High Pressure Ridge. The graphics for days 1-3  show a frontal system approaching the Pacific Northwest Saturday and Saturday night. The graphics for days 3-7    Monday through Friday show frontal systems moving over the Pacific Northwest Wednesday and Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with a (40%) chance of AM showers, showers and a bit cooler Saturday afternoon (0.25 in., of rain possible) and in the evening, a slight (20%) chance of showers with patchy fog late Saturday night (under 0.10 in., of rain possible),
  • Patchy AM fog, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Sunday afternoon (under 0.10 in. of rain possible), mostly cloudy with patchy fog late Sunday night,
  • Patchy AM fog, mostly sunny and a bit warmer Monday, partly cloudy in the evening, then mostly clear with patchy fog late Monday night.
  • lows 38-40 cooling back to 38 Sunday night warming back to 40 Monday night highs 52-60.
  • Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
  • A mix of clouds and sun and a bit warmer Wednesday, partly cloudy at night,
  • Mostly sunny and a bit warmer Thursday, partly cloudy Thursday night,
  • Then mostly sunny and a bit cooler with a slight (20%) chance of showers Friday.
  • highs 60-70 lows 39-43. (seasonal averages high 59 low 39)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a (30%) chance of rain and snow tonight (under 0.10 in. of rain possible, snow level 2,500 ft. falling to 2,000 ft.),
  • Mostly cloudy with a good (50%) chance of AM rain and snow, a good (50%) chance of rain Saturday afternoon (under 0.10 in., of rain possible, snow level 2,000 ft. rising to 3,000 ft), evening rain likely (70%), a good (50%) chance of rain and snow late Saturday night (under 0.10 in. of rain possible, snow level 3,000 ft., no snow accumulation expected),
  • Mostly cloudy with a (40%) chance of AM rain and snow, a (40%) chance of rain and a bit warmer Sunday afternoon (under 0.10 in. of rain possible), a slight (20%) chance of evening rain ,just mostly cloudy late at night,
  • AM clouds, sunny and a bit warmer Monday afternoon, then mostly clear Monday night.
  • lows 37-40 highs 52-63.
  • Mostly sunny and a bit warmer Tuesday, just partly cloudy Tuesday night,
  • Partly cloudy and a bit warmer Wednesday and Thursday, partly cloudy both nights,
  • Then partly cloudy with a slight (20%) chance of showers Friday.
  • highs 68-74 cooling back to 68 Friday lows 44-46. (seasonal averages high 61 low 41)

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

  • Mostly cloudy with a slight (20%) chance of rain tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with coastal rain and a bit warmer Saturday while a (40%) chance of AM inland rain with inland rain likely (70%) and a bit warmer Saturday afternoon (0.25 in. of rain possible), coastal rain Saturday night while inland rain likely (70%) late Saturday night (0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Sunday (under 0.10 in. of rain possible), mostly cloudy in the evening at the shore and partly cloudy with a slight (20%) chance of coastal rain late at night while a slight (20%) chance of evening inland rain and just partly cloudy inland late at night,
  • AM clouds, sunny and a bit warmer Monday afternoon, then mostly clear Monday night.
  • lows 40-42 highs 52-58.
  • Partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Mostly cloudy start, partly cloudy and a bit warmer Wednesday afternoon, partly cloudy at night,
  • Partly cloudy Thursday and Thursday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then just partly cloudy and a bit cooler Friday afternoon.
  • highs 60-63 cooling back to 60 Friday lows near 45. (seasonal average high 56 low 43)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening snow showers and rain showers likely (70%), a good (50%) chance of snow and rain showers late tonight (0.25 in. of rain possible, 1 in. of snow possible),
  • Mostly cloudy with a good (50%) chance of AM snow showers, a bit cooler with snow  showers and rain showers Saturday afternoon (0.25 in. of rain possible, 1 in. of snow possible), snow and rain showers Saturday night (0.25 in. of rain possible, 1 in. of snow possible),
  • Mostly cloudy with AM snow showers likely (70%) and a good (50%) chance of rain showers, a bit warmer with snow showers and rain showers likely (70%) Sunday afternoon, a good (50%) chance of evening show showers and a slight (20%) chance of rain showers, just partly cloudy late at night,
  • Mostly sunny and a bit warmer Monday, then mostly clear late Monday night.
  • snow level 2,500 ft. tonight, 2,000 ft. rising to 3,500 ft. Saturday afternoon, 3,000 ft. Saturday night through Sunday night, 4,500 ft. Monday, then 7,000 ft. Monday night.
  • lows 25-30 highs 36-46.
  • Sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Mostly sunny and a bit warmer Wednesday, partly cloudy at night,
  • Mostly sunny and a bit warmer Thursday, partly cloudy with a slight (20%) chance of showers Thursday night,
  • Then mostly cloudy and a bit cooler with a slight (20%) chance of showers Friday.
  • free air freezing level 8,000 ft. Tuesday, 9,000 ft. Tuesday night, 10,000 ft. Wednesday, 11,000 ft. Wednesday night and Thursday, snow level 7,500 ft. Thursday night, then 6,500 ft. Friday.
  • highs 54-63 cooling to 55 Friday lows 33-37.