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Tim Chuey Weather

by | Apr 29, 2023 | Weather Status

April 30, 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 BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM THIS MORNING THROUGH THIS EVENING FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
  • A FLOOD WARNING IS IN EFFECT FOR THE SILVIES RIVER NEAR BURNS AFFECTING HARNEY COUNTY UNTIL FURTHER NOTICE 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 High Pressure Ridge continues to move to the east returning the flow of coastal moisture. The graphics for days 1-3  Show the cold front moving into Oregon today. The graphics for days 3-7  Wednesday through next Sunday show a quiet weather pattern until a frontal system slides into the Pacific Northwest Friday and another just offshore next Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy and much cooler today, a slight (20%) chance of showers tonight,
  • A mix of clouds and sun with a slight (20%) chance of showers Monday, partly cloudy in the evening, mostly cloudy with a good (50%) chance of showers late at night (under 0.10 in. of rain possible),
  • Clouds and sun with a (40%) chance of AM showers, a mix of clouds and sun and a bit warmer Tuesday afternoon, then partly cloudy Tuesday night.
  • highs 62-67 lows near 47.
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, a good (50%) chance of evening showers, a slight (20%) chance of showers late Wednesday night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday and at night,
  • Mostly cloudy with a good (50%) chance of showers Friday and in the evening, partly cloudy with a good (50%) chance of showers Friday night,
  • Then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Saturday.
  • highs 68-62 warming to 67 Saturday lows 48-46. (seasonal averages high 65 low 42)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a slight (20%) chance of AM rain, just mostly cloudy this afternoon (under 0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of rain tonight (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with a (30%) chance of showers Monday, a good (50%) chance of showers at night (0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Tuesday, partly cloudy with a slight (20%) chance of showers Tuesday night,
  • highs 63-60 warming to 67 Tuesday lows 47-49.
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Wednesday, a slight (20%) chance of showers Wednesday night,
  • Mostly cloudy with a (30%) chance of  showers and a bit cooler Thursday, a (30%) chance of showers at night,
  • Mostly cloudy with a (40%) chance of showers Friday, a (30%) chance of showers Friday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of showers Saturday.
  • highs 70-64 warming to 68 Saturday lows near 50. (seasonal averages high 67 low 45)

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

  • Mostly cloudy with a slight (20%) chance of AM rain, mostly cloudy and a bit warmer this afternoon (under 0.10 in. of rain possible), a slight (20%) chance of coastal rain late tonight while a slight (20%) chance of inland rain late tonight (0.10 in. of rain),
  • Mostly cloudy with a (30%) chance of showers and a bit cooler Monday, a (30%) chance of showers late at night (under 0.10 in. of rain),
  • Mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday, then a slight (20%) chance of showers Tuesday night.
  • highs 59-56 warming back to 59 Tuesday lows near 44.
  • Mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday, a slight (20%) chance of showers Wednesday night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday, a slight (20%) chance of showers at night,
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Friday, a (30%) chance of showers Friday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of showers Saturday.
  • highs 60-57 warming to 62 Saturday lows near 45. (seasonal averages high 58 low 46)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a slight (20%) chance of rain and colder this afternoon, evening showers likely (70%), mostly cloudy with a good (50%) chance of rain and snow showers tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with AM snow showers likely (70%) and a good (50%) chance of rain showers, a good (50%) chance of showers and a bit cooler Monday afternoon, mostly cloudy with showers likely (70%) at night (little or no snow accumulation expected),
  • A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Tuesday, then partly cloudy with a (40%) chance of showers Tuesday night.
  • snow level 7,500 ft. today, 7,000 ft. falling to 5,000 ft. late tonight, 5,000 ft Monday, 7,000 ft. rising to 8,000 ft. late night, 7,500 ft. Tuesday, then above 8,000 ft. Tuesday night.
  • highs 51-44 warming to 58 Tuesday lows 35-39.
  • Clouds and sun with a slight (20%) chance of AM showers, good (50%) chance of showers with a slight (20%) chance of thunderstorms and a bit warmer Wednesday afternoon, evening showers likely (70%), a good (50%) chance of showers late Wednesday night,
  • Mostly cloudy with a good (50%) chance of AM showers, cooler with showers likely (70%) Thursday afternoon and evening, a (50%) chance of showers late at night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Friday and in the evening, partly cloudy with a good (50%) chance of showers late Friday night,
  • Mostly cloudy with a good (50%) chance of AM showers, then showers likely (70%) and warmer Saturday afternoon.
  • snow level above 8,000 ft. Wednesday and Wednesday night, 8,000 ft. Thursday, 7,500 ft. Thursday night, 6,000 ft. Friday, then 6,500 ft. Friday night and Saturday.
  • highs 62-45 warming to 54 Saturday lows 39-35.