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Tim Chuey Weather

by | May 30, 2022 | Weather

May 30, 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 TUESDAY FOR UMATILLA COUNTY.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH TUESDAY AFTERNOON FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • 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  Thursday through Monday show the frontal system that will move over the Pacific Northwest Friday and another storm will cross Oregon Sunday into next Monday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Partly cloudy with a slight (20%) chance of evening showers, partly cloudy with patchy fog late tonight,
  • Some AM clouds with patchy fog, mostly sunny and a bit warmer Tuesday afternoon, partly cloudy Tuesday night,
  • Mostly cloudy and a bit warmer Wednesday and in the evening, just partly cloudy late at night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, then mostly cloudy with a slight (20%) chance of showers late Thursday night.
  • lows 43-53 highs 73-77.
  • Mostly cloudy with a slight (20%) chance of showers and a bit cooler Friday and in the evening, a (30%) chance of showers late Friday night,
  • Mostly cloudy with a good (50%) chance of AM showers, rain likely (70%) and a bit cooler Saturday afternoon, rain at night,
  • Mostly cloudy with AM rain likely (70%), showers likely (70%) and a bit cooler Sunday afternoon, a good (50%) chance of showers Sunday night,
  • Clouds and sun with a (30%) chance of showers, then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Monday afternoon.
  • highs 72-66 warming to 70 Monday lows near 53-50. (Seasonal Averages high 71 low 46)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy tonight,
  • Some AM clouds, sunny and warmer Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
  • Mostly cloudy and a bit warmer Wednesday and in the evening, partly cloudy at night,
  • Partly cloudy with a slight (20%) chance of showers Thursday afternoon, partly cloudy in the evening, then mostly cloudy Thursday night.
  • lows 44-54 highs 76-80.
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Friday, a (30%) chance of showers Friday night,
  • Mostly cloudy with a good (50%) chance of AM showers, rain likely (70%) and a bit cooler Saturday afternoon, rain likely (70%) at night,
  • Mostly cloudy with AM rain likely (70%), showers likely (70%) Sunday afternoon, a good (50%) chance of showers Sunday night,
  • Then mostly cloudy and a bit warmer a slight (20%) chance of showers Monday.
  • highs 75-69 warming to 72 Monday lows 56-52. (Seasonal Averages high 73 low 50).

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

  • Mostly clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny and a bit warmer Tuesday afternoon, partly cloudy in the evening, just mostly cloudy late Tuesday night,
  • Mostly cloudy Wednesday and at night,
  • Mostly cloudy start, partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Thursday afternoon, then mostly cloudy with a slight (20%) chance of showers late Thursday night.
  • lows 44-50 highs 63-67.
  • Mostly cloudy and a bit cooler with a (30%) chance of showers Friday, a (30%) chance of showers Friday night,
  • Mostly cloudy with a good (50%) chance of AM showers, rain likely (70%) Saturday afternoon, rain at night,
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of showers and a bit cooler Sunday afternoon, a (30%) chance of showers Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy with a slight (20%) chance of showers Monday afternoon.
  • highs 66-64 lows 52-49. (Seasonal Averages high 62 low 50)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a (40%) chance of evening rain and snow showers, just partly cloudy late tonight,
  • AM sun, partly cloudy and warmer Tuesday afternoon, partly cloudy Tuesday night,
  • A mix of clouds and sun and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of evening showers and thunderstorms, 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 with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, just mostly cloudy late Thursday night,
  •  snow level 5,500 ft. this evening, free air freezing level 7,500 ft. rising to 9,000 ft. Tuesday afternoon, 10,000 ft. Tuesday night, 9,000 ft. Wednesday, snow level above 8,000 ft. late Wednesday night through Thursday evening, then free air freezing level 9,000 ft late Thursday night.
  • lows 30-42 highs 63-69.
  • Mostly cloudy with a slight (20%) chance of AM showers, a (30%) chance of showers and a bit cooler Friday afternoon, a (40%) chance of showers Friday night.
  • Mostly cloudy with AM showers showers likely (70%), rain likely (70%) and a bit cooler Saturday afternoon, rain likely (70%) at night,
  • Mostly cloudy with AM rain,  showers and a bit cooler Sunday afternoon, a good (50%) chance of showers Sunday night,
  • Then a mix of clouds and sun and a bit warmer with a (40%) chance of showers Monday.
  • snow level above 8,000 ft. Friday through Saturday night, above 8,000 ft. falling to 8,000 ft. Sunday afternoon, 7,500 ft. falling to 7,000 ft. Sunday night, then  7,000 ft. rising to 7,500 ft. Monday afternoon.
  • highs 62-52 warming to 55 Monday lows 43-38.