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Tim Chuey Weather

by | May 29, 2023 | Weather

May 29, 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 HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

THE WEATHER PATTERN

A weak Upper Level High Pressure Ridge  (“Arch” shape) offshore keeps the onshore airflow going bringing cooler air to Oregon.  The graphics for days 1-3  show no fronts moving over the Pacific Northwest. The graphics for days 3-7  Thursday through next Monday show a frontal system hanging offshore then moving in Saturday and Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny and cooler Tuesday afternoon, mostly clear Tuesday night,
  • Partly cloudy and a bit cooler Wednesday,  mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 46-43 highs 72-68 warming back to 72 Thursday.
  • Sunny and a bit warmer Friday and Saturday, clear both nights,
  • Sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Then mostly sunny and a bit warmer Monday.
  • highs 76-87 lows near 45-53.  (seasonal averages high 70 low 46)

Forecast for the Umpqua Valley including Roseburg:

  • Becoming partly cloudy late tonight,
  • AM clouds, sunny and a bit cooler Tuesday aftern0on, mostly clear Tuesday night,
  • Some AM clouds, sunny and a bit cooler Wednesday afternoon, mostly clear at night,
  • Sunny and a bit warmer Thursday, then clear Thursday night.
  • lows 52-46 highs 73-70 warming to 74 Thursday.
  • Sunny and a bit warmer Friday, clear Friday night,
  • Sunny and a bit warmer Saturday, mostly clear at night,
  • Then mostly sunny and a bit warmer Sunday and Monday, mostly clear Sunday night.
  • highs 79-89 lows 79-56. (seasonal averages high 73 low 50)

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

  • Becoming mostly cloudy late tonight,
  • Mostly cloudy start, partly cloudy and a bit warmer Tuesday afternoon, mostly clear in the evening, partly cloudy Tuesday night,
  • Some AM clouds, sunny Wednesday afternoon, mostly clear in the evening, partly cloudy at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • lows 46-44 highs 62-64.
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night,
  • Then sunny and a bit warmer Sunday and Monday, mostly clear Sunday evening, partly cloudy Sunday night.
  • highs 65-68 lows 47-49. (seasonal averages high 62 low 50)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Partly cloudy and cooler Tuesday, mostly clear Tuesday night,
  • Some AM clouds, mostly sunny and a bit cooler Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, then clear Thursday night.
  • free air freezing level 12,000 ft. tonight, 12,000 ft. falling to 11,000 ft. Tuesday, 11,000 ft. Tuesday night, 9,000 ft. falling to 8,000 ft. Wednesday afternoon, 8,000 ft. Wednesday night, 9,000 ft. Thursday, then 11,000 ft. Thursday night.
  • lows 42-33 highs 69-60.
  • Sunny and a bit warmer Friday, clear Friday night,
  • Sunny and a bit warmer Saturday, mostly clear at night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain Sunday afternoon, partly cloudy with a slight (20%) chance of evening rain, partly cloudy late Sunday night,
  • AM sun, then a mix of clouds and sun with a (40%) chance of rain Monday afternoon.
  • free air freeing level 11,000 ft.  Friday, 12,000 ft. Friday night and Saturday, 13,000 ft. Saturday night, then snow level above 8,000 ft. Sunday through Monday.
  • highs 62-72 lows 35-44.