May 14, 2022

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

  • No Advisories at this time.

HEALTH ADVISORIES

  • A PERMANENT RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE SOUTH UMPQUA RIVER AND MAINSTEM UMPQUA RIVER. THE ADVISORY COVERS THE SOUTH UMPQUA RIVER FROM CANYONVILLE DOWNSTREAM TO THE CONFLUENCE OF THE MAINSTEM UMPQUA RIVER, AND THE MAINSTEM UMPQUA RIVER DOWNSTREAM PAST ELKTON TO LAWSON BAR. PEOPLE IN THE BEDROCK ALONG THE RIVERS EDGE ARE ARE KNOWN TO DEVELOP CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED AT SEVERAL ACCESS AREAS ALONG THE RIVER.

THE WEATHER PATTERN

  • An Upper Level Low Pressure Trough (“U” shape) is moving inland assuring frontal systems will move through bringing even more rain. The graphics for days 1-3 show the frontal system that is bringing more rain to the Pacific Northwest Sunday. The graphics for days 3-7  Tuesday through Saturday show the frontal system through Wednesday into Early Thursday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy with AM showers likely (70%), a bit warmer with a good (50%) chance of showers changing to a slight (20%) chance of showers this afternoon (under 0.10 in. of rain possible), mostly cloudy with patchy fog late tonight,
  • Mostly cloudy with a slight (20%) chance of AM rain, a bit warmer with a good (50%) chance of rain Sunday afternoon, partly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, just mostly cloudy and a bit cooler Monday afternoon, then partly cloudy Monday night.
  • highs 62-70 cooling to 66 Monday lows 50-52 cooling to 42 Monday night.
  • Partly cloudy Tuesday and in the evening, mostly cloudy with a slight (20%) chance of showers late Tuesday night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain and a bit cooler Wednesday afternoon and evening, then rain late at night,
  • Mostly cloudy with rain and a bit cooler Thursday, evening rain likely (70%), a good (50%) chance of showers late Thursday night,
  • Then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday.
  • highs 66-56 warming to 58 Friday lows 45-42. (Seasonal Averages high 68 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy and warmer with a (30%) chance of rain today (under 0.10 in. of rain possible), just mostly cloudy tonight,
  •  Mostly cloudy and a bit warmer with a slight (20%) chance of showers Sunday, partly cloudy with a slight (20%) chance of evening showers, just mostly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and cooler Monday afternoon, then just partly cloudy Monday night.
  • highs 72-75 cooling to 65 Monday lows 54-43.
  • Partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Mostly cloudy with a (40%) chance of AM showers, showers likely (70%) and a bit cooler Wednesday afternoon,  showers likely (70%) Wednesday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Thursday, a good (50%) chance of showers Thursday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of showers Friday.
  • highs 68-56 warming to 59 Friday lows 45-42. (Seasonal Averages high 71 low 48).

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

  • Mostly cloudy with AM rain likely (70%), a bit warmer with a slight (20%) chance of rain this afternoon (under 0.10 in. of rain possible), just mostly cloudy tonight,
  • Mostly cloudy and a bit warmer with a slight (20%) chance of showers Sunday, a slight (20%) chance of coastal showers Sunday night while a slight (20%) chance evening inland showers and just mostly cloudy inland late at night,
  • Mostly cloudy and a bit cooler Monday, then partly cloudy Monday night.
  • highs 62-65 cooling to 60 Monday lows 50-42.
  • Partly cloudy and a bit warmer Tuesday and in the evening, mostly cloudy with a slight (20%) chance of showers late Tuesday night,
  • Mostly cloudy with showers likely (70%) and a bit cooler Wednesday, showers likely (70%) Wednesday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Thursday, a good (50%) chance of showers Thursday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of showers Friday.
  • highs 62-56 warming to 58 Friday lows near 43. (Seasonal Averages high 60 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with AM showers, a bit warmer with a good (50%) chance of showers this afternoon (0.25 in. of rain possible), just mostly cloudy late tonight,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers, just mostly cloudy late at night,
  • Clouds and sun with a slight 20%) chance of AM showers, a mix of clouds and sun and a bit cooler Monday afternoon, then just partly cloudy Monday night.
  • snow level 7,500 ft. rising to  8,000 ft. today, free air freezing level 10,000 ft. rising to 11,000 ft. late tonight, snow level above 8,000 ft. Sunday afternoon, 8,000 ft. Sunday evening, free air freezing level 10,000 ft. Sunday night, snow level 6,500 ft. Monday morning, then free air freezing level 8,000 ft. Monday night.
  • highs 52-59 cooling to 53 Monday lows 38-32.
  • Partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow, rain likely (70%) and a bit cooler Wednesday afternoon, evening rain and snow likely (70%), rain likely (70%) with a (40%) chance of snow late Wednesday night,
  • Mostly cloudy with rain and snow likely (70%) and a bit cooler Thursday,  a good (50%) chance of evening rain and snow showers, a good (50%) chance of rain and snow showers late Thursday night,
  • A mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow showers Friday afternoon.
  • free air freezing level level  8,000 ft. rising to 9,000 ft. Tuesday afternoon, 9,000 ft. rising to 10,000 ft. Tuesday night, snow level 5,500 ft. rising to 7,000 ft. Wednesday afternoon, 5,500 ft. falling to 4,500 ft. late Wednesday night, 3,000 ft. rising to 4,500 ft. Thursday afternoon, 4,000 ft. falling to 3,500 ft. late Thursday night, then 3,500 ft. rising to 4,500 ft. Friday afternoon.
  • highs 55-38 warming to 40 Friday lows 34-28.