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Tim Chuey Weather

by | May 2, 2023 | Weather

May 3, 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

  • A FLOOD WARNING IS IN EFFECT FOR THE SPRAGUE  RIVER NEAR BEATTY AFFECTING KLAMATH COUNTY UNTIL SATURDAY EVENING DUE TO SNOW MELT.
  • A FLOOD WARNING IS IN EFFECT FOR THE IMNAHA RIVER AFFECTING WALLOWA COUNTY UNTIL MAY 10TH DUE TO SNOW MELT.

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  is sliding down the California coast keeping the flow of coastal moisture aimed our way. The graphics for days 1-3  show a frontal system just offshore Thursday. The graphics for days 3-7  Saturday through next Wednesday show a quiet weather pattern until a frontal system slides into the Pacific Northwest next Sunday. Another front will be offshore next Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • A mix of clouds and sun and a bit warmer today, mostly cloudy with a slight (20%) chance of showers and thunderstorms late tonight,
  • Mostly cloudy with a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, a bit cooler with a good (50%) chance of showers Thursday afternoon (under 0.10 in. of rain possible) and at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Friday, then a slight (20%) chance of showers Friday night.
  • highs 66-56 lows 46 43.
  • Mostly cloudy with a slight (20%) chance of AM showers, a good (50%) chance of showers and a bit warmer Saturday afternoon, a good (50%) chance of showers late at night,
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Sunday afternoon, a good (50%) chance of evening showers, partly cloudy with a (40%) chance of showers at night,
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Monday afternoon, partly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late Monday night,
  • Then a mix of clouds and sun and a bit warmer with a (40%) chance of showers Tuesday.
  • highs 59-62 lows 44-39. (seasonal averages high 66 low 42)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of thunderstorms and a bit warmer this afternoon and evening, a slight (20%) chance of showers late tonight,
  • Mostly cloudy with a slight (20%) chance of  showers and a bit cooler Thursday, a slight (20%) chance of showers at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of showers Friday, then a slight (20%) chance of showers Friday night.
  • highs 69-59 lows 46-48 cooling back to 46 Friday night.
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Saturday, a (30%) chance of showers Saturday night,
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Sunday afternoon, a (30%) chance of showers at night,
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Monday, partly cloudy with a slight (20%) chance of showers Monday night,
  • Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 60-65 lows 45-42. (seasonal averages high 68 low 46)

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

  • Mostly cloudy and a bit warmer today and tonight,
  • Mostly cloudy and a bit cooler at the shore while mostly cloudy with a slight (20%) chance of inland showers and a bit cooler Thursday, just mostly cloudy at the shore at night while a slight (20%) chance of inland showers late at night,
  • Mostly cloudy and a bit cooler with (20%) chance of showers Friday, then a slight (20%) chance of showers Friday night.
  • highs 58-55 lows 44-42.
  • Mostly cloudy with a good (50%) chance of showers Saturday and Saturday night,
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Sunday, a (30%) chance of showers at night,
  • Mostly cloudy with a (30%) chance of showers and a bit warmer Monday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Monday night,
  • Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 56-58 lows 42-40. (seasonal averages high 59 low 46)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • A mix of clouds and sun with a good (50%) chance of showers and a bit warmer today with a slight (20%) chance of afternoon thunderstorms, evening showers likely (70%) with a slight (20%) chance of thunderstorms (0.10 in. of rain possible, more in storms), evening showers likely (70%) with a slight (20%) chance of thunderstorms, a slight (20%) chance of showers and thunderstorms late tonight (0.25 in. of rain possible, more in storms),
  • Mostly cloudy with a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, cooler with showers likely (70%) Thursday afternoon and evening, showers and snow showers likely (70%) late Thursday night,
  • Mostly cloudy showers likely (70%) with snow showers and a bit cooler Friday, then a good (50%) chance of rain and snow showers late Friday night.
  • snow level 8,000 ft. today and tonight, 7,500 ft. Thursday, 7,000 ft. falling to 5,500 ft. late Thursday night, then 4,500 ft. Friday and Friday night.
  • highs 60-40 lows 37-32.
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, a good (50%) chance of showers and a bit warmer Saturday afternoon, a slight (20%) chance of rain and snow showers late Saturday night,
  • Mostly cloudy with AM snow showers likely (70%) and a good (50%) chance of rain showers, showers likely (70%) with snow showers Sunday afternoon, evening snow and rain showers likely (70%), a slight (20%) chance of snow and rain showers late Sunday night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, rain and snow showers likely (70%) Monday afternoon, a good (50%) chance of evening rain and snow showers, partly cloudy with a slight (20%) chance of rain and snow showers late Monday night,
  • Mostly cloudy with a good (50%) chance of AM snow showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Tuesday afternoon.
  • snow level 4,500 ft. Saturday through Sunday, 4,000 ft. Sunday night, 3,500 ft. Monday, 4,000 ft. Monday night, then 4,500 ft. Tuesday.
  • highs 44-49 lows 32-28.