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Tim Chuey Weather

by | May 18, 2023 | Weather, Weather Status

May 19, 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

A blocking  Upper Level High Pressure Ridge (“Arch” shape) still has a hold on the Pacific Northwest. Temperatures have cooled off a bit. The graphics for days 1-3  show no fronts approaching the Pacific Northwest. The graphics for days 3-7  Monday through next Friday show cold front moving to the coast Thursday and Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • A mix of clouds and sun and a bit cooler today, partly cloudy tonight,
  • A mix of clouds and sun and a bit warmer Saturday, partly cloudy at night,
  • Partly cloudy and a bit cooler Sunday, then mostly clear Sunday night.
  • highs 78-80 cooling to 74 Sunday lows 52-45.
  • Mostly sunny start, partly cloudy and a bit cooler Monday afternoon, mostly clear Monday night,
  • Then mostly sunny and a bit warmer Tuesday, Wednesday, and Thursday, mostly clear Tuesday night and Wednesday night,
  • highs 70-77 lows 44-47.  (seasonal averages high 69 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • Some AM sun, partly cloudy and a bit cooler this afternoon and evening, mostly cloudy with patchy fog late tonight,
  • Mostly cloudy start, partly cloudy and a bit cooler Saturday and in the evening, mostly cloudy late at night,
  • Mostly cloudy start, partly cloudy and a bit cooler Sunday afternoon, then mostly clear Sunday night.
  • highs 82-76 lows 54-49.
  • Mostly sunny and a bit cooler Monday, mostly clear Monday night,
  • Then mostly sunny and a bit warmer Tuesday, Wednesday, and Thursday, mostly clear Tuesday night and Wednesday night,
  • highs 74-79 lows 47-50. (seasonal averages high 72 low 48)

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

  • Mostly cloudy with patchy AM fog while areas of inland AM fog, mostly cloudy and a bit warmer this afternoon, mostly cloudy with patchy fog tonight,
  • Mostly cloudy with patchy AM fog, mostly cloudy and a bit cooler Saturday and Saturday night,
  • Mostly cloudy start, partly cloudy and a bit cooler Sunday afternoon, mostly clear at night,
  • highs 62-65 lows 52-47.
  • Mostly sunny Monday, mostly clear Monday night,
  • Mostly sunny Tuesday, mostly clear in the evening, partly cloudy at night,
  • Some AM clouds, sunny Wednesday afternoon, partly cloudy Wednesday,
  • Then partly cloudy Thursday.
  • highs near 64 lows 47-45 warming back to 47 Wednesday night. (seasonal averages high 61 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny start, partly cloudy and a bit warmer with a (40%) chance of showers and a slight (20%) chance of thunderstorms this afternoon and evening (under 0.10 in of rain possible), just partly cloudy late tonight (under 0.10 in of rain possible),
  • Partly cloudy and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Saturday afternoon and evening,  partly cloudy with a slight (20%) chance of showers late at night,
  • Partly cloudy and  colder Sunday and Sunday night.
  • snow level above 8,000 ft. tonight through Saturday, then free air freezing level 13,000 ft. Sunday and Sunday night,
  • highs 76-63 lows near 47-35.
  • Mostly sunny and a bit cooler Monday, mostly cloudy Monday night,
  • Mostly sunny Tuesday mostly clear at night,
  • Then mostly sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night,
  • free air freezing level 12,000 ft. Monday and Monday night, 11,000 ft. Tuesday, then 10,000 ft. Tuesday night, then 11,000 ft. Wednesday through Thursday.
  • highs 62-65 lows 35-38.