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Tim Chuey Weather

by | May 13, 2022 | Weather

May 13, 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 brought rain to the Pacific Northwest Thursday. The graphics for days 3-7  Monday through Friday show the increasing parade of frontal systems through the period.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Cloudy with a good (50%) chance of late morning-early afternoon rain, mostly cloudy and a bit warmer with rain late this afternoon (0.25 in. of rain possible), rain and cooler tonight (0.50 in. of rain possible),
  • Mostly cloudy with AM rain, a bit warmer with a good (50%) chance of rain Saturday afternoon (under 0.10 in. of rain possible), a slight (20%) chance of evening rain, a slight (20%) chance of showers with patchy fog late Saturday night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Sunday, a (40%) chance of evening showers, then  a slight (20%) chance of showers late Sunday night.
  • highs 57-70 lows 52-50.
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Monday, partly cloudy with a slight (20%) chance of showers Monday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Tuesday, mostly cloudy with a slight (20%) chance of evening showers, a (30%) chance of showers late at night,
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Wednesday afternoon, showers likely (70%) Wednesday night,
  • Then mostly cloudy with showers likely (70%) Thursday.
  • highs 65-60 lows near 44. (Seasonal Averages high 68 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with rain and a bit warmer this afternoon (0.10 in. of rain possible), rain tonight (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Saturday (under 0.10 in. of rain possible), just mostly cloudy at night,
  •  Mostly cloudy and a bit warmer with a slight (20%) chance of rain Sunday, then a slight (20%) chance of showers Sunday night.
  • highs 60-73 lows 54-52.
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Monday, just partly cloudy Monday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday and at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Wednesday, showers likely (70%) Wednesday night,
  • Then mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday.
  • highs 64-60 lows 45-43 warming to 46 Wednesday night. (Seasonal Averages high 71 low 48).

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

  • Mostly cloudy with a slight (20%) chance of AM coastal rain, rain and a bit warmer this afternoon (0.10 in. of rain possible), rain tonight (0.50 in. of rain possible),
  • Mostly cloudy with AM coastal rain likely (70%) and a slight (20%) chance of coastal rain and a bit warmer Saturday afternoon while a bit warmer with a good (50%) chance of rain Saturday afternoon (under 0.10 in. of rain possible), just mostly cloudy at night,
  • Mostly cloudy and a bit warmer with a slight (20%) chance of rain Sunday, then a slight (20%) chance of showers Sunday night.
  • highs 59-65 lows 50-52 cooling to 47 Sunday night.
  • Mostly cloudy with a slight (20%) chance of showers and a bit cooler Monday, partly cloudy in the evening, mostly cloudy late Monday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday, a slight (20%) chance of showers at night,
  • Mostly cloudy with showers likely (70%) and a bit cooler Wednesday, showers likely (70%) Wednesday night
  • Then mostly cloudy with a good (50%) chance of showers Thursday.
  • highs 62-59 lows near 44. (Seasonal Averages high 60 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Cloudy with a good (50%) chance of AM rain becoming rain and a bit warmer this afternoon (0.25 in. of rain possible), rain tonight (1.00 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a bit warmer with a good (50%) chance of rain Saturday afternoon, just mostly cloudy Saturday night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers and thunderstorms Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers, then just mostly cloudy late Sunday night.
  • snow level 5,000 ft. rising to 6,000 ft. this afternoon, 7,000 ft. rising to 7,500 ft. late tonight, 7,500 ft. rising to  8,000 ft. Saturday, free air freezing level 10,000 ft. rising to 11,000 ft. late Saturday night, snow level above 8,000 ft. Sunday afternoon, 8,000 ft. Sunday evening, then free air freezing level 10,000 ft. Sunday night.
  • highs 44-58 lows near 39.
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Monday, just partly cloudy Monday night,
  • A mix of clouds and sun and a bit cooler Tuesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers at night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers,  a good (50%) chance of rain and a bit cooler Wednesday afternoon, mostly cloudy with rain and snow showers likely (70%) Wednesday night,
  • Then mostly cloudy and a bit cooler with rain and snow showers likely (70%) Thursday.
  • snow level 6,500 ft. Monday, free air freezing level 7,500 ft. falling to 7,000 ft. late Monday night, 5,000 ft. rising to 6,500 ft. Tuesday afternoon, 7,500 ft.Tuesday afternoon, snow level 5,000 ft. Tuesday night, 5,000 ft. rising to 5,500 ft. Wednesday afternoon, 5,000 ft. falling to 4,500 ft. Wednesday night, then 4,000 ft. rising to 4,500 ft. Thursday afternoon.
  • highs 53-42 lows near 32.