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Tim Chuey Weather

by | May 27, 2023 | Weather

May 27, 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 PUBLIC HEALTH ADVISORY IS IN EFFECT DUE TO UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT NYE BEACH IN LINCOLN COUNTY. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. UNSAFE LEVELS OF FECAL BACTERIA CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS, AND OTHER ILLNESSES. CHILDREN, THE ELDERLY, AND THOSE WITH COMPROMISED IMMUNE SYSTEM SHOULD USE EXTRA CAUTION AS THEY ARE MORE VULNERABLE TO ILLNESS FROM WATERBORNE BACTERIA. VISITORS SHOULD AVOID WADING IN NEARBY  CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN.
  • 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

An Upper Level Low Pressure Trough (“U” shape) is moving eastward and an Upper Level High Pressure Ridge (“Arch” shape) is well offshore slowly heading toward the coast.  The graphics for days 1-3  show a weak surface wave moving over the Pacific Northwest today bringing cooler air with it, then warming Sunday and Monday. The graphics for days 3-7  Tuesday through next Saturday show a frontal system moving through Tuesday and Wednesday then another front looks like it will fall apart along the coast Friday, yet another front stalled offshore next Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy tonight,
  • Some AM clouds, sunny Sunday afternoon, mostly clear at night,
  • Sunny and a bit warmer Monday (Memorial Day), clear Monday night,
  • Mostly sunny start, partly cloudy and a bit cooler Tuesday, then mostly clear Tuesday night.
  • lows 45-48 cooling to 44 Tuesday night highs 75-79 cooling to 74 Tuesday.
  • Partly cloudy and a bit cooler Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit warmer Thursday and Friday, mostly clear both nights,
  • Then mostly sunny and a bit warmer Saturday.
  • highs 73-70 lows near 43-45.  (seasonal averages high 70 low 45)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a slight (20%) chance of evening thunderstorms, partly cloudy with patchy fog late tonight,
  • AM clouds with patchy fog, sunny and a bit warmer Sunday afternoon, mostly clear Sunday night,
  • Sunny and a bit warmer Monday (Memorial Day), mostly clear at night,
  • Partly cloudy and a bit cooler Tuesday, in the evening, then partly cloudy Tuesday night.
  • lows 50-52 cooling to 47 Tuesday night highs 78-82 cooling back to 78 Tuesday.
  • Partly cloudy and a bit cooler Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit warmer Thursday, mostly clear at night,
  • Then mostly sunny and a bit warmer Friday and Saturday, mostly clear Friday night,
  • highs 72-79 lows 45-48. (seasonal averages high 73 low 50)

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

  • Mostly cloudy tonight with patchy inland fog late,
  • AM clouds with patchy fog, sunny and a bit warmer Sunday afternoon, mostly cloudy with patchy fog late Sunday night,
  • AM clouds, sunny and a bit warmer Monday afternoon (Memorial Day),  mostly cloudy at night,
  • Partly cloudy and a bit cooler Tuesday, then partly cloudy late Tuesday night.
  • lows 47-45 highs 63-65 cooling to 62 Tuesday.
  • Partly cloudy Wednesday, mostly clear Wednesday night,
  • Mostly sunny Thursday, mostly clear at night,
  • Then mostly sunny and a bit warmer Friday through Saturday.
  • highs 62-64 lows 44-46. (seasonal averages high 62 low 49)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late tonight,
  • Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
  • AM sun, partly cloudy and a bit warmer Monday (Memorial Day), mostly  clear Monday night,
  • Mostly sunny and a bit cooler Tuesday with a slight (20%) chance of afternoon rain, partly cloudy with a slight (20%) chance of evening rain, then mostly clear Tuesday night.
  • snow level above 8,000 ft. tonight, free air freezing level 11,000 ft. Sunday, 12,000 ft. Sunday night, then snow level above 8,000 ft. Monday through Tuesday night.
  • lows 39-43 cooling to 37 Tuesday night highs 66-62 warming to 65 Sunday.
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Wednesday night,
  • Mostly sunny and a bit warmer Thursday and Friday, mostly clear both nights,
  • Then mostly sunny and a bit warmer with a slight (20%) chance of rain Saturday.
  • free air freeing level 10,000 ft. Wednesday, 9,000 ft. Wednesday night, 10,000 ft. Thursday, 11,000 ft. Thursday night, 12,000 ft. Friday and Friday night, then snow level above 8,000 ft. Saturday.
  • highs 58-69 lows 32-38.