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Tim Chuey Weather

by | May 10, 2022 | Weather

May 10, 2022

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

  •  FREEZE WARNING IS IN EFFECT FROM 2 AM UNTIL 8 AM TODAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON
  • A FROST ADVISORY IS IN EFFECT UNTIL 9 AM TODAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A FROST ADVISORY IS IN EFFECT UNTIL 9 AM TODAY FOR CENTRAL DOUGLAS COUNTY.
  • A FREEZE WATCH IS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • A FREEZE WARNING IS IN EFFECT UNTIL 9 AM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.

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 Pressure Trough (“U” shape) is moving away as a short-lived Upper Level High Pressure Ridge take over. The graphics for days 1-3 show no frontal systems that moving through the Pacific Northwest. The graphics for days 3-7  Friday through Tuesday show only weak waves of moisture sliding through until a complex frontal system pushes through the Pacific Northwest  Friday, then the next frontal system will be just offshore Sunday moving in next Monday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Patchy AM fog, partly cloudy and a bit warmer today, partly cloudy with areas of frost late tonight,
  • A mix of clouds and sun and a bit warmer Wednesday, becoming mostly cloudy with a good (50%) chance of rain at night,
  • Mostly cloudy and a bit cooler with rain Thursday, a good (50%) chance of evening rain, then a good (50%) chance of showers late Thursday night.
  • highs 58-62 lows 36-45 cooling to 40 Thursday night.
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Friday, a good (50%) chance of evening rain, rain likely (70%) late Friday night,
  • Mostly cloudy and warmer with a good (50%) chance of rain Saturday, a slight (20%) chance of rain at night,
  • Mostly cloudy and a bit warmer with a slight (20%) chance of rain Sunday, a slight (20%) chance of showers Sunday night,
  • Then mostly cloudy with a slight (20%) chance of showers Monday.
  • highs 55-70 cooling to 65 Monday lows 40-50. (Seasonal Averages high 67 low 43)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with isolated showers and patchy AM fog and areas of frost, partly cloudy and a bit warmer this afternoon and evening, just mostly clear with areas of frost late tonight,
  • Areas of AM frost, partly cloudy and a bit warmer Wednesday afternoon, mostly cloudy with a (40%) chance of showers at night,
  • Mostly cloudy with showers a bit cooler Thursday, evening showers likely (70%), then a slight (20%) chance of showers late Thursday night.
  • highs 54-64 lows 37-42.
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Friday, a slight (20%) chance of showers Friday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and a bit warmer Saturday afternoon, just mostly cloudy at night,
  • Mostly cloudy and a bit warmer Sunday,a slight (20%) chance of showers Sunday night,
  • Then mostly cloudy with a slight (20%) chance of showers Monday.
  • highs 57-77 lows 45-50. (Seasonal Averages high 70 low 47).

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

  • Partly cloudy with patchy AM inland patchy fog and frost, partly cloudy and a bit warmer this afternoon, mostly clear this evening, partly cloudy with patchy fog late tonight,
  • Partly cloudy with patchy inland AM frost, mostly cloudy and a bit warmer Wednesday afternoon, cloudy with a good (50%) chance of showers Wednesday night,
  • Mostly cloudy and a bit cooler with showers Thursday, then a good (50%) chance of showers Thursday night.
  • highs 53-58 lows 38-43.
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Friday, cloudy with a good (50%) chance of showers Friday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and a bit warmer Saturday afternoon, just mostly cloudy Saturday night,
  • Mostly cloudy Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
  • A slight (20%) chance of AM showers, then just mostly cloudy Monday afternoon.
  • highs 57-66 lows 44-48. (Seasonal Averages high 60 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy and a bit warmer with a slight (20%) chance of rain and snow showers this afternoon, just partly cloudy late tonight,
  • Partly cloudy and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of evening rain and snow, a (40%) chance of rain and a slight (20%) chance of snow late at night,
  • Mostly cloudy with rain and snow and a bit cooler Thursday (2-5 in. of snow possible), evening rain and snow likely (70%), then a good (50%) chance of rain and snow showers late Thursday night.
  • snow level 3,000 ft. rising to 4,000 ft.  this afternoon, free air freezing level 5,000 ft. falling to 4,000 ft. Wednesday afternoon, snow level 4,500 ft. falling to 4,000 ft. late Wednesday night, 3,500 ft. rising to 4,500 ft. Thursday afternoon, then 4,000 ft. falling to 3,500 ft. late Thursday night.
  • highs 40-48 lows 23-37.
  • Mostly cloudy and a bit warmer with a (30%) chance of rain and snow showers Friday, mostly cloudy a good (50%) chance of rain Friday night,
  • Mostly cloudy with a (40%) chance of AM rain, a bit warmer with a slight (20%) chance of rain Saturday afternoon, just partly cloudy at night,
  • A mix of clouds and sun and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then just partly cloudy Monday afternoon.
  • snow level 3,500 ft. rising to 5,000 ft. Friday afternoon, 6,500 ft. rising to 8,000 ft. late Friday night, above 8,000 ft. Saturday, free air freezing level 12,000 ft, falling to 11,000 ft. Saturday night, snow level above 8,000 ft.  Sunday, above 8,000 ft. falling t0 8,000 ft. late Sunday night, then 7,000 ft. Monday.
  • highs 42-64 lows 32-39.