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Tim Chuey Weather

by | Apr 12, 2024 | Weather

April 12, 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 FLOOD WARNING IS IN EFFECT UNTIL EARLY FRIDAY APRIL 19 TH FOR THE OWYHEE RIVER BELOW THE OWYHEE DAM AFFECTING 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:

An Upper Lever High Pressure Ridge  brings the Pacific Northwest sunshine.  The graphics for days 1-3  show the next frontal system moving through Pacific Northwest this evening and tonight. The graphics for days 3-7   Monday through Friday show a frontal system moving over the Pacific Northwest Monday and Monday evening.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with a good (50%) chance of evening showers, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Saturday afternoon (0.25 in. of rain possible), mostly cloudy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers Saturday night (0.50 in. of rain possible, more in storms),
  • Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler Sunday afternoon, partly cloudy in the evening, mostly cloudy late at night,
  • Mostly cloudy with a slight (20%) chance of AM rain, a mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Monday afternoon, then mostly cloudy with a slight (20%) chance of rain Monday night.
  • lows 46-38 highs 66-58.
  • A mix of clouds and sun with a (30%) chance of rain Tuesday, partly cloudy in the evening, mostly clear late Tuesday night,
  • Then sunny and a bit warmer Wednesday, Thursday, and Friday, mostly clear each night.
  • highs 58-73 lows 36-42. (seasonal averages high 61 low 40)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with evening showers likely (70%) and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM thunderstorms, a bit warmer with a showers likely (70%) and a slight (20%) chance of thunderstorms Saturday afternoon (0.10 in. of rain possible), evening showers likely (70%) with a slight (20%) chance of thunderstorms, rain likely (70%) late Saturday night (0.25 in. of rain possible),
  • Mostly cloudy with a (40%) chance of AM rain, a slight (20%) chance of showers and a bit cooler Sunday afternoon (under 0.10 in. of rain possible), just mostly cloudy at night,
  • Mostly cloudy and a bit cooler Monday, then mostly cloudy at night.
  • lows 49-40 highs 62-58.
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday afternoon, partly cloudy in then evening showers, mostly clear late Tuesday night,
  • Then mostly sunny and a bit warmer Wednesday, Thursday, and Friday, mostly clear Wednesday night and Thursday night.
  • highs 62-76 lows 38-44. (seasonal averages high 62 low 42)

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

  • Mostly cloudy with a good (50%) chance of early evening coastal showers becoming late evening showers and a (40%) chance of coastal showers late tonight while inland evening showers with a slight (20%) chance of thunderstorms and inland showers likely (70%) late tonight with patchy fog (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Saturday (under 0.10 in. of rain possible), cloudy with a (40%) chance of coastal evening showers and a (40%) chance of coastal rain late Saturday night while inland evening showers likely (70%) with inland rain likely (70%) late Saturday (0.10 in. of rain possible),
  • Mostly cloudy with a (30%) chance of AM rain, just mostly cloudy and a bit cooler Sunday afternoon and at night,
  • Then mostly cloudy Monday and Monday night.
  • lows 46-40 highs 60-56.
  • Partly cloudy with a slight (20%) chance of showers Tuesday, partly cloudy Tuesday night,
  • Mostly sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, partly cloudy Thursday night,
  • Then partly cloudy and a bit cooler Friday.
  • highs 56-68 cooling to 65 Friday lows 39-44. (seasonal average high 56 low 44)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a good (50%) chance of evening showers with a slight (20%) chance of thunderstorms, a good (50%) chance of showers late  tonight (0.10 in. of rain possible, more in storms),
  • Mostly cloudy with a slight (20%) chance of AM showers, showers with a slight (20%) chance of thunderstorms and a bit warmer Saturday afternoon (0.50 in. of rain possible), evening showers with a slight (20%) chance of thunderstorms, showers likely (70%) late Saturday night (0.75 in. of rain possible, more in storms),
  • Mostly cloudy with AM showers likely (70%), cooler with a good (50%) chance of rain and snow showers Sunday afternoon, a good (50%) chance of evening rain showers with a (40%) of snow showers, a slight (20%) chance of rain and snow showers late Sunday night,
  • Mostly cloudy with a good (50%) chance of AM snow and a slight (20%) chance of rain, partly cloudy with a (30%) chance of snow with a slight (20%) chance of and a bit cooler Monday, then mostly cloudy with a good (50%) chance of snow and rain Monday night.
  • snow level 7,500 ft. tonight through Saturday night, 6.500 ft. falling to 5,500 ft. Sunday afternoon, 5,000 ft. falling to 3,500 ft. late Sunday night, 3,000 ft. Monday, then 3,500 ft. Monday night.
  • lows 38-28 highs 53-43.
  • A mix of clouds and sun with a good (50%) chance of snow and rain Tuesday, partly cloudy with a slight (20%) chance of snow showers Tuesday night,
  • Sunny and a bit warmer with a slight (20%) chance of snow showers Wednesday, becoming mostly clear late at night,
  • Then sunny and a bit warmer Thursday and Friday, clear Thursday night.
  • snow level 3,000 ft. Tuesday, 3,500 ft. Tuesday night, 4,000 ft. Wednesday, free air freezing level 9,000 ft. Wednesday night, then 10,000 ft. Thursday through Friday.
  • highs 43-60 lows 27-33.