Follow EDN on Social Media |

March 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) moves up along the coast.  The graphics for days 1-3  show the frontal system moving through the Pacific Northwest Monday. The graphics for days 3-7    Tuesday through Saturday show the parade of frontal systems headed toward the Pacific Northwest Wednesday and Thursday and Thursday and Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with a (40%) chance of evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
  • Mostly cloudy and a bit cooler with showers likely (70%) Sunday (under 0.10 in. of rain possible), a good (50%) chance of evening showers, a slight (20%) chance of showers late Sunday night (under 0.10 in. of rain possible),
  • Mostly cloudy with rain and a bit cooler Monday (under 0.10 in. of rain possible), rain at night (under 0.10 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a mix of clouds and sun and a bit warmer with rain likely (70%) Tuesday afternoon, then rain likely (70%) Tuesday night.
  • lows 42-44 highs 55-52 warming to 57 Tuesday.
  • Mostly cloudy and a bit cooler with rain Wednesday and Wednesday night,
  • Mostly cloudy and a bit cooler with rain Thursday, rain at night,
  • Mostly cloudy with rain and a bit warmer Friday, mostly cloudy with a good (50%) chance of evening rain, partly cloudy with a good (50%) chance of rain Friday night,
  • Then a mix of clouds and sun and a bit warmer Saturday.
  • highs 54-52 warming to 59 Saturday lows 42-39. (seasonal averages high 58 low 38)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with early evening showers likely (70%) and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late tonight  (0.10 in. of rain possible, snow level 3,500 ft.),
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Sunday (under 0.10 in. of rain possible, AM snow level 3,500 ft.), a (30%) chance of showers Sunday night (evening snow level 3,500 ft.),
  • Mostly cloudy with a good (50%) chance of AM showers, showers Monday afternoon (under 0.10 in. of rain possible, snow level 3,000 ft.), evening showers, showers likely (70%) late at night (under 0.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late at night),
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Tuesday, a good (50%) chance of evening showers, then showers likely (70%) Tuesday night.
  • lows 42-45 highs 56-60.
  • Mostly cloudy and a bit cooler with showers Wednesday, showers Wednesday night,
  • Mostly cloudy with AM rain and snow showers, showers and a bit cooler Thursday afternoon, rain and snow showers likely (70%) at night,
  • Mostly cloudy with AM rain and snow showers, showers and a bit warmer Friday afternoon, a good (50%) chance of showers Friday night,
  • Then mostly cloudy and a bit warmer with a (30%) chance of showers Saturday.
  • highs 56-53 warming to 60 Friday lows 43-39. (seasonal average high 60 low 40)

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

  • Mostly cloudy with evening showers and a slight (20%) chance of thunderstorms and a good (50%) chance of coastal showers late tonight while a slight (20%) chance of inland thunderstorms and patchy inland fog with showers late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of coastal showers Sunday while patchy inland AM fog and a (30%) chance of showers (under 0.10 in. of rain possible), a slight (20%) chance of showers Sunday  night,
  • Mostly cloudy with AM showers likely (70%), showers Monday afternoon (0.10 in. of rain possible), evening showers likely (70%), a good (50%) chance of showers late at night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Tuesday and in the evening, then showers likely (70%) Tuesday night.
  • lows near 43 highs near 55.
  • Mostly cloudy and a bit cooler with showers and breezy Wednesday, showers and breezy Wednesday night,
  • Mostly cloudy with showers and a bit cooler and breezy Thursday, showers at night,
  • Mostly cloudy and a bit warmer with showers Friday, evening showers likely (70%), a good (50%) chance of showers Friday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of showers Saturday.
  • highs 55-53 warming to 58 Saturday lows near 42. (seasonal average high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a good (50%) chance of rain and snow showers and a slight (20%) chance of thunderstorms this evening, evening snow showers  with rain showers likely (70%) late tonight (under 0.10 in. of rain possible, little or now snow accumulation expected),
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, rain and snow showers likely (70%) and a bit cooler Sunday afternoon (0.10 in. of rain possible), rain and snow Monday night,
  • Mostly cloudy with snow and rain likely (70%) Tuesday, then rain and snow likely (70%) Tuesday night.
  • snow level 3,500 ft. tonight, 3,000 ft. Sunday, 3,500 ft. Sunday night through Tuesday, then 4,500 ft. Tuesday night.
  • lows  27-29 warming to 30 Tuesday night highs 37-39.
  • Mostly cloudy with rain and snow Wednesday, snow and rain Wednesday night,
  • Mostly cloudy and a bit cooler with snow and rain Thursday, snow and rain likely (70%) at night,
  • Mostly cloudy with snow and rain and a bit warmer Friday, a good (50%) chance of rain and snow Friday night,
  • Then snow likely (70%) with a good (50%) chance of rain and a bit warmer Saturday.
  • snow level 4,500 ft.Wednesday, 3,000 ft. Wednesday night through Thursday night, then 3,500 ft. Friday through Saturday.
  • highs 39-35 warming to 40 Saturday lows near 27.