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Tim Chuey Weather

by | May 21, 2023 | Weather

May 22, 2023

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

  • NONE 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 taking over, but he problem is that it will not be bringing rain with it, just cooler temperatures.  The graphics for days 1-3  show no frontal activity over the Pacific Northwest. The graphics for days 3-7  Thursday through next Monday show what little frontal activity will occur through the period until a cold front move in between Friday and next Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • A mix of clouds and sun and a bit cooler today, partly cloudy tonight,
  • Partly cloudy and a bit warmer Tuesday, partly cloudy at night,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, then clear Wednesday night.
  • highs 67-69 warming to 72 Wednesday lows 42-47.
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Partly cloudy and a bit cooler Friday, partly cloudy at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday and Saturday night,
  • Then a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Sunday.
  • highs 80-67 lows 50-48.  (seasonal averages high 69 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy and a bit warmer today and this evening, becoming mostly clear late tonight,
  • Sunny and a bit warmer Tuesday, mostly clear at night,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, then clear Wednesday night.
  • highs 69-76 lows 45-49.
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Partly cloudy and a bit cooler Friday, partly cloudy at night,
  • Partly cloudy and cooler with a slight (20%) chance of showers Saturday afternoon and Saturday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Sunday.
  • highs 82-69 lows 53-49. (seasonal averages high 72 low 49)

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

  • Partly cloudy and a bit warmer today and this evening, mostly clear late tonight,
  • Sunny Tuesday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny Wednesday, then mostly clear Wednesday night.
  • highs near 63 lows 45-47.
  • Mostly sunny and a bit warmer Thursday, partly cloudy Thursday night,
  • Partly cloudy and a bit cooler Friday, mostly cloudy at night,
  • Mostly cloudy and a bit cooler Saturday and Saturday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then just mostly cloudy Sunday afternoon.
  • highs 65-62 lows 49-47. (seasonal averages high 61 low 49)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy and a bit cooler today, partly cloudy tonight,
  • Then mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear both nights.
  • free air freezing level 7,500 ft. rising to 9,000 ft. this afternoon, 10,000 ft. tonight, 8,000 ft. rising to 9,000 ft. Tuesday afternoon, 10,000 ft. rising to 11,000 ft. late Tuesday night, then 11,000 ft. Wednesday and  Wednesday night.
  • highs 55-64 lows 29-38.
  • Sunny and a bit warmer Thursday afternoon, mostly clear Thursday night,
  • AM sun, partly cloudy and a bit warmer with a (40%) chance of showers Friday afternoon, partly cloudy with a slight (20%) chance of showers at night,
  • Partly cloudy with a slight (20%) chance of AM showers, a bit cooler with a (40%) chance of showers Saturday afternoon, a (30%) chance of evening showers, just partly cloudy late Saturday night,
  • Then a mix of clouds and sun and a bit cooler with a (30%) chance of showers Sunday.
  • free air freezing level 11,000 ft. Thursday, 12,000 ft. Thursday night and Friday, snow level above 8,000 ft. Friday night and Saturday, 7,500 ft. Saturday night, then 7,000 ft. Sunday.
  • highs 67-52 lows 42-36.