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Tim Chuey Weather

by | May 16, 2023 | Weather

May 16, 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 High Pressure Ridge (“Arch” shape) still has a hold on the Pacific Northwest. The graphics for days 3-7  Friday through next Tuesday show a cold front off the Oregon coast Thursday. The graphics for days 3-7 Friday through next Tuesday show a cold front moving through Friday through Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly clear tonight,
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Some AM clouds, sunny and a bit cooler Thursday afternoon, mostly clear at night,
  • Some AM clouds, mostly sunny and a bit warmer Friday afternoon, then mostly clear Friday night,
  • lows 55-53 warming back to 55 Friday night highs 87-79 warming to 82 Friday.
  • Partly cloudy and a bit cooler Saturday and Saturday night,
  • A mix of clouds and sun and a bit cooler Sunday, partly cloudy at night,
  • Partly cloudy and a bit cooler Monday, mostly clear Monday night,
  • Mostly sunny start, then partly cloudy and a bit warmer Tuesday afternoon.
  • highs 78-70 warming to 72 Tuesday lows 53-46 (seasonal averages high 69 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear with patchy fog late tonight,
  • Some AM clouds with patchy dense fog, sunny and a bit warmer Wednesday afternoon, mostly clear in the evening, partly cloudy late Wednesday night,
  • Mostly cloudy start, sunny and a bit cooler Thursday afternoon, clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler Friday, then partly cloudy Friday night.
  • lows 56-54 warming to 57 Friday night highs 90-82.
  • Partly cloudy and a bit cooler Saturday and Saturday night,
  • Mostly cloudy start, partly cloudy and a bit cooler Sunday afternoon and at night,
  • Partly cloudy Monday, mostly clear Monday night,
  • Then partly cloudy Tuesday.
  • highs 80-73 lows 55-49. (seasonal averages high 71 low 48)
  • .

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

  • Becoming mostly cloudy with patchy coastal fog while mostly clear with patchy fog developing inland this evening and late tonight,
  • Mostly cloudy with dense AM fog, sunny and a bit warmer Wednesday afternoon, mostly cloudy with patchy fog late Wednesday night,
  • Patchy AM inland fog, mostly cloudy and a bit cooler Thursday afternoon, mostly cloudy at night,
  • Mostly cloudy start, partly cloudy and a bit warmer Friday afternoon, then mostly cloudy Friday night.
  • lows 50-52 cooling to 49 Thursday night warming to 52 Friday night highs 72-66 warming to 68 Friday.
  • Mostly cloudy and a bit cooler Saturday and Saturday night,
  • Mostly cloudy start, partly cloudy and a bit cooler Sunday afternoon and at night,
  • Then partly cloudy and a bit cooler Monday through Tuesday.
  • highs 65-62 lows 52-46. (seasonal averages high 61 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Mostly sunny and a bit warmer with a slight (20%) chance of thunderstorms Wednesday afternoon, mostly clear Wednesday night,
  • AM sun, partly cloudy with a slight chance of showers and thunderstorms Thursday afternoon and evening, just partly cloudy at night,
  • Mostly sunny start, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms Friday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Friday night.
  • free air freezing level 12,000 ft. tonight, snow level above 8,000 ft. Wednesday, free air freezing level 13,000 ft. Wednesday night, then snow level above 8,000 ft. Thursday through Friday night.
  • lows 44-46 cooling to 46 Friday night highs 73-75.
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Saturday afternoon and evening, just partly cloudy late Saturday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late at night,
  • Partly cloudy and a bit cooler Monday and Monday night,
  • Then mostly sunny and a bit warmer Tuesday.
  • snow level above 8,000 ft. Saturday through Sunday, 7,500 ft. Sunday night, then free air freezing level 9,000 ft. Monday, then 10,000 ft. Monday night and Tuesday.
  • highs 72-58 warming to 62 Tuesday lows 46-36.