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Tim Chuey Weather

by | May 31, 2022 | Weather

May 31, 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

  • A FLOOD WARNING FOR A DAM FLOODGATE RELEASE IS IN EFFECT UNTIL 1:30 PM WEDNESDAY FOR UMATILLA COUNTY.
  • 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 eastward to be replaced by an Upper Level High Pressure Ridge (“Arch” shape). The graphics for days 1-3 show no frontal systems pushing through Oregon. The graphics for days 3-7  Friday through Tuesday show the frontal activity over the Pacific Northwest Friday through Sunday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Becoming mostly cloudy late tonight,
  • Mostly cloudy, possible sun breaks, and a bit warmer Wednesday, mostly cloudy in the evening, partly cloudy late Wednesday night,
  • Partly cloudy and a bit warmer Thursday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late at night,
  • Mostly cloudy with a (40%) chance of showers and a bit cooler Friday, then a good (50%) chance of showers late Friday night.
  • lows 50-54 cooling to 52 Friday night highs 76-77 cooling to 72 Friday.
  • Mostly cloudy with a good (50%) chance of AM showers, rain likely (70%) and a bit cooler Saturday afternoon, rain Saturday night,
  • Mostly cloudy with AM rain, showers likely (70%) Sunday afternoon, a good (50%) chance of evening showers, partly cloudy with a good (50%) chance of showers at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of showers Monday, partly cloudy with a slight (20%) chance of showers Monday night,
  • Clouds and sun with a slight (20%) chance of AM showers, then a mix of clouds and sun and a bit warmer with a (30%) chance of showers Tuesday afternoon.
  • highs 68-72 lows near 56-48. (Seasonal Averages high 71 low 46)

Forecast for the Umpqua Valley including Roseburg:

  • Becoming partly cloudy with patchy fog late tonight,
  • Mostly cloudy and a bit warmer Wednesday, partly cloudy with patchy fog late Wednesday night,
  • Partly cloudy and a bit warmer Thursday and in the evening, mostly cloudy late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Friday, then a good (50%) chance of rain Friday night.
  • lows 50-54 highs 77-79 cooling to 72 Friday.
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Saturday afternoon, rain Saturday night,
  • Mostly cloudy with AM rain, showers likely (70%) with a slight (20%) chance of thunderstorms and a bit cooler Sunday afternoon (gusty winds & small hail possible), a good (50%) chance of rain and cooler at night,
  • Mostly cloudy with patchy AM fog and a (40%) chance of rain, partly cloudy and a bit warmer a (30%) chance of rain Monday afternoon, just partly cloudy Monday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of rain Tuesday.
  • highs 69-76 lows 58-50. (Seasonal Averages high 73 low 50).

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

  • Partly cloudy this evening, mostly cloudy with patchy fog tonight,
  • Patchy AM fog, mostly cloudy Wednesday and in the evening, partly cloudy with patchy fog late Wednesday night,
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer Thursday afternoon, mostly cloudy with a (30%) chance of coastal showers at night while a slight (20%) chance of inland showers late Thursday night, patchy fog late,
  • Mostly cloudy and a bit cooler with a (30%) chance of rain Friday, then cloudy with a good (50%) chance of rain Friday night.
  • lows 48-52 highs 65-67 cooling back to 65 Friday.
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Saturday afternoon, rain Saturday night,
  • Mostly cloudy with AM rain, rain likely (70%) and a bit cooler Sunday afternoon, a (40%) chance of rain at night with patchy fog late,
  • Mostly cloudy with patchy AM fog and a (40%) chance of rain, partly cloudy and a bit warmer with a (30%) chance of rain Monday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late Monday night,
  • Then mostly cloudy and a bit warmer with a (30%) chance of rain Tuesday.
  • highs 66-63 warming to 67 Tuesday lows 53-48. (Seasonal Averages high 62 low 50)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy  tonight,
  • Mostly cloudy and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late Wednesday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, and thunderstorms,  just mostly cloudy late at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Friday, a good (50%) chance of showers Friday night.
  •  free air freezing level 10,000 ft. rising to 11,000 ft. late tonight, 11,000 ft. Wednesday, snow level above 8,000 ft. late Wednesday night through Thursday night, 8,000 ft. Friday, the above 8,000 ft. falling to 8,000 ft. Friday night.
  • lows 40-42 highs 67-58.
  • Mostly cloudy with AM showers showers likely (70%), rain likely (70%) and a bit cooler Saturday afternoon, rain Saturday night,
  • Mostly cloudy with AM rain, showers Sunday afternoon, a good (50%) chance of evening showers, a slight (20%) chance of showers at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of showers Monday, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Monday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
  • snow level 8,000 ft. rising to above 8,000 ft. Saturday afternoon, above 8,000 ft. Saturday night, above 8,000 ft. falling to 8,000 ft. Sunday afternoon, 7,500 ft. falling to 6,500 ft. late Sunday night, 6,500 ft. rising to 7,000 ft. Monday afternoon, 7,500 ft. Monday evening, free air freezing level 11,000 ft. late Monday night, then snow level 7,000 ft. rising to 8,000 ft. Tuesday afternoon.
  • highs 52-62 lows 43-38.