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Tim Chuey Weather

by | May 12, 2022 | Weather

May 12, 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 a frontal system moving through the Pacific Northwest today. The graphics for days 3-7  Sunday through Thursday show increasing frontal activity through the period.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy and cooler with rain today (0.50 in. of rain possible), a good (50%) chance of evening showers, partly cloudy and colder with a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain likely (70%) Friday afternoon (under 0.10 in. of rain possible), rain and warmer at night (0.50 in. of rain possible),
  • Mostly cloudy with AM rain, a bit warmer with a good (50%) chance of rain Saturday afternoon and evening, then mostly cloudy with a slight (20%) chance of rain late Saturday night.
  • highs 54-65 lows 38-52.
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Sunday, partly cloudy with a (30%) chance of evening rain, mostly cloudy with a slight (20%) chance of showers late Sunday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Monday, partly cloudy with a slight (20%) chance of rain late at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Tuesday, mostly cloudy with a slight (20%) chance of evening rain, partly cloudy with a slight (20%) chance of rain late Tuesday night,
  • Then a mix of clouds and sun with a (40%) chance of rain Wednesday.
  • highs 70-62 lows 49-42. (Seasonal Averages high 68 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy and a bit warmer with rain today (0.50 in. of rain possible), evening rain likely (70%), a good (50%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM rain, a bit warmer with rain likely (70%) Friday afternoon (0.10 in. of rain possible), rain Friday night (0.75 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a bit warmer with a slight (20%) chance of rain Saturday afternoon, then a slight (20%) chance of rain Saturday night.
  • highs 56-62 lows 42 -52 cooling to 49 Saturday night.
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Sunday, a slight (20%) chance of rain Sunday night,
  • Mostly cloudy with a slight (20%) chance of rain and a bit cooler Monday, partly cloudy at night,
  • Partly cloudy Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night,
  • Then mostly cloudy with a (30%) chance of rain Wednesday.
  • highs 64-60 lows 46-42. (Seasonal Averages high 60 low 48)

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

  • Mostly cloudy and a bit warmer with rain today (0.50 in. of rain possible), evening rain likely (70%), a good (50%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM rain, a bit warmer with rain likely (70%) Friday afternoon (0.10 in. of rain possible), rain Friday night (0.75 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a bit warmer with a slight (20%) chance of rain Saturday afternoon, then a slight (20%) chance of rain Saturday night.
  • highs 56-62 lows 42 -52 cooling to 49 Saturday night.
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Sunday, a slight (20%) chance of rain Sunday night,
  • Mostly cloudy with a slight (20%) chance of rain and a bit cooler Monday, partly cloudy at night,
  • Partly cloudy Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night,
  • Then mostly cloudy with a (30%) chance of rain Wednesday.
  • highs 64-60 lows 46-42. (Seasonal Averages high 60 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain and snow and a bit cooler today (0.50 in. of rain possible, 1-4 in. of snow possible), rain and snow showers late tonight (0.25 in. of rain possible, 2 in. of snow possible),
  • Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a good (50%) of rain and snow and a bit warmer Friday afternoon, rain at night,
  • Mostly cloudy with AM rain likely (70%), and warmer with a good (50%) chance of rain Saturday afternoon, a slight (20%) chance of evening rain, just mostly cloudy Saturday night.
  • snow level 3,500 ft. rising to 5,000 ft. this afternoon, 5,000 ft. tonight, 4,500 ft. rising to 5,500 ft. Friday afternoon, 7,0000 ft. rising to 7,500 ft. late Friday night, 7,500 ft. rising to  8,000 ft. Saturday and Saturday evening, then free air freezing level 11,000 ft. late Saturday night.
  • highs 38-54 lows 29-39.
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Sunday, partly cloudy with a slight (20%) chance of evening showers, just mostly cloudy late Sunday night,
  • A mix of clouds and sun and a bit cooler Monday, partly cloudy in the evening, mostly cloudy late at night,
  • Partly cloudy and a bit cooler Tuesday and in the evening, mostly cloudy Tuesday night,
  • Clouds and sun with a slight (20%) chance of AM rain and snow, then a (30%) chance of rain and a bit cooler Wednesday afternoon.
  • snow level above 8,000 ft. falling to 8,000 ft. Sunday and Sunday evening, free air freezing level 11,000 ft. late Sunday night, 9,000 ft. falling to 8,000 ft. Monday afternoon, 7,500 ft. falling to 7,000 ft. late Monday night, 5,500 ft. rising to 6,500 ft. Tuesday afternoon, 7,500 ft. falling to 6,500 ft. late Tuesday night, then snow level 5,000 ft. rising to 6,000 ft. Wednesday afternoon.
  • highs 58-47 lows 38-32.