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Tim Chuey Weather

by | May 7, 2023 | Weather

May 7, 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 UNTIL LATE MONDAY EVENING FOR THE JOHN DAY RIVER AT SERVICE CREEK AFFECTING WHEELER COUNTY DUE TO RAIN AND SNOW MELT.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL TUESDAY AFTERNOON FOR THE SPRAGUE RIVER NEAR BEATY AFFECTING KLAMATH COUNTY DUE TO RAIN AND SNOW MELT.
  • A FLOOD WARNING IS IN EFFECT FOR THE SILVIES RIVER NEAR BURNS AFFECTING HARNEY  COUNTY UNTIL   WEDNESDAY AFTERNOON DUE TO RAIN AND SNOW MELT.
  • A FLOOD ADVISORY IS IN EFFECT FOR BAKER COUNTY UNTIL 6 PM MDT TUESDAY DUE TO RAIN AND 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  and surface low with it associated cold front are approaching the California coast keeping the weaker flow of coastal moisture still aimed our way. The graphics for days 1-3  show the frontal system, as described above ,apparently falling as part as it makes landfall. The graphics for days 3-7  Wednesday through next Sunday show a quiet weather pattern, but a frontal system can be seen offshore to our west Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain likely (70%) late tonight (0.25 in. of rain possible),
  • Mostly cloudy with AM rain, showers and a bit cooler Monday afternoon (0.25 in. of rain possible), a slight (20%) chance of evening showers, partly cloudy late Monday night (under 0.10 in. of rain possible),
  • Partly cloudy with patchy AM fog, partly cloudy and a bit warmer Tuesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Wednesday, then partly cloudy Wednesday night.
  • lows 46-42 warming back to 46 Wednesday highs 57-65.
  • Partly cloudy and a bit warmer Thursday, partly cloudy Thursday night,
  • Some AM clouds, mostly sunny and a bit warmer Friday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Saturday and Sunday, clear Saturday night.
  • highs 74-88 lows 47-57. (seasonal averages high 67 low 43)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with evening showers likely (70%), showers late tonight (0.25 in. of rain possible),
  • AM showers, a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Monday afternoon (0.10 in. of rain possible), a (30%) chance of evening showers and a slight (20%) chance of thunderstorms late Monday night (under 0.10 in. of rain possible),
  • Partly cloudy and warmer Tuesday, mostly clear at night,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, then partly cloudy Wednesday night.
  • lows 44-48 highs 56-72.
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Sunny and a bit warmer Friday and Saturday, clear both nights,
  • AM sun, then partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Sunday afternoon.
  • highs 77-89 cooling to 87 Sunday lows 50-57. (seasonal averages high 69 low 46)

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

  • Mostly cloudy with evening coastal showers likely (70%) and showers late tonight while inland showers tonight (0.25 in. of rain possible),
  • Mostly cloudy with AM showers likely (70%), a good (50%) chance of showers Monday afternoon (0.10 in. of rain possible), partly cloudy Monday night with a slight (20%) chance of evening inland showers,
  • Some AM clouds, sunny and warmer Tuesday afternoon, mostly clear at night,
  • Some AM clouds, sunny Wednesday afternoon, partly cloudy in the evening, then mostly cloudy late Wednesday night.
  • lows 47-42 warming to 44 Wednesday night highs 56-62.
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Sunny and a bit warmer Friday and Saturday, clear both nights,
  • Sunny start, then partly cloudy and a bit warmer Sunday afternoon.
  • highs 65-77 lows 45-54. (seasonal averages high 59 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a good (50%) chance of evening showers, mostly cloudy with rain and snow late tonight (0.25 in. of rain possible, 1 in. of snow possible),
  • Mostly cloudy with AM rain and snow showers, rain showers and snow showers likely (70%) with a slight (20%) chance of thunderstorms and a bit cooler Monday afternoon (0.50 in. of rain possible, small hail possible, 2 in. of snow possible), a good (50%) chance of evening rain and snow showers and a slight (20%) of thunderstorms, just mostly cloudy late Monday night (0.25 in. of rain possible, evening small hail possible, 1 in. of snow possible),
  • Partly cloudy with slight (20%) chance of showers and a bit warmer Tuesday afternoon, a slight (20%) chance of evening showers, just partly cloudy late at night,
  • Mostly sunny start, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms Wednesday afternoon, a slight (20%) chance of evening showers, then just cloudy late Wednesday night.
  • snow level 5,500 ft. tonight, 4,500 ft. Monday and Monday night, 6,000 ft. Tuesday afternoon, 6,000 ft. Tuesday night, 6,500 ft. Wednesday, then 7,000 ft Wednesday night.
  • lows 32-28 warming to 35 Wednesday night highs 40-55.
  • Some AM clouds, sunny and a bit warmer Thursday afternoon, partly cloudy Thursday night,
  • Mostly sunny and a bit warmer Friday, mostly clear at night,
  • Mostly sunny and a bit warmer Saturday, clear Saturday night,
  • AM sun, then partly cloudy with a (30%) chance of showers Sunday afternoon.
  • snow level free air freezing level 9,000 ft. Thursday, 10,000 ft. Thursday night,12,000 ft. Friday, 13,000 ft. Friday night, 14,000 ft. Saturday and Saturday night, then above 8,000 ft. Sunday.
  • highs 62-72 lows 38-48.