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Tim Chuey Weather

by | Mar 27, 2024 | Weather

March 27, 2024

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 WINTER WEATHER ADVISORY IS IN EFFECT  UNTIL 11 PM THURSDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A WIND ADVISORY IS IN EFFECT UNTIL 8 PM TONIGHT FOR CENTRAL AND EASTERN LAKE COUNTY.

HEALTH ADVISORIES

  • 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) just offshore is sending a lot of moisture to about all of the Western U.S.. The graphics for days 1-3  show a frontal system moving through into Pacific Northwest today. The graphics for days 3-7    Saturday through Wednesday show the complex frontal system headed toward the Pacific Northwest Coast moving through  through Southern California between Saturday and Sunday, and the next frontal system offshore Tuesday, then sliding into Oregon next Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms tonight (0.50 in. of rain possible, more in storms),
  • Mostly cloudy, possible sun peaks, and a bit cooler with showers and a slight (20%) chance of thunderstorms Thursday afternoon (0.50 in. of rain possible, more in storms), evening showers likely (70%) with a slight (20%) chance of thunderstorms, a slight (20%) chance of showers Thursday night (0.50 in. of rain possible, more in storms),
  • Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday afternoon, just partly cloudy at night,
  • Sunny and a bit warmer Saturday, then mostly clear Saturday night.
  • lows 42-38 highs 52-62.
  • Sunny Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday, mostly clear at night,
  • Mostly sunny Tuesday, partly cloudy with a good (50%) chance of rain Tuesday night,
  • Then a mix of clouds and sun and a bit cooler with a good 50%) chance of rain Wednesday.
  • highs 62-66 cooling to 58 Wednesday lows 39-43. (seasonal averages high 58 low 38)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with early evening rain and a slight (20%) chance of thunderstorms, rain, snow and a slight (20%) chance of thunderstorms late tonight (0.10 in. of rain possible, snow level 3,000 ft. falling to 2,500 ft. late tonight),
  • Mostly cloudy with rain and snow and a slight (20%) chance of thunderstorms and a bit cooler Thursday (0.25 in. of rain possible, snow level 3,000 ft.), evening showers, a good (50%) chance of rain and snow showers Thursday night (0.10 in. of rain possible, snow level 3,000 ft.),
  • Mostly cloudy with a (40%) chance of AM rain and snow, a (40%) chance of rain and a bit warmer Friday afternoon, a slight (20%) chance of evening rain, just partly cloudy at night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain Saturday afternoon, then just mostly clear Saturday night.
  • lows 42-39 highs 53-64.
  • Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
  • Mostly sunny and a bit warmer Monday, mostly clear at night,
  • Sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy with a with a slight (20%) chance of rain Tuesday night,
  • Mostly cloudy with a slight (20%) chance of AM rain, then partly cloudy and cooler with the a slight (20%) chance of rain Wednesday afternoon.
  • highs 62-70 cooling to 60 Wednesday  lows 39-45. (seasonal average high 60 low 41)

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

  • Mostly cloudy with rain and a slight (20%) chance of thunderstorms tonight (0.25 in. of rain possible),
  • Mostly cloudy with rain and a slight (20%) chance of thunderstorms and a bit cooler Thursday (0.50 in. of rain possible), coastal showers with a slight (20%) chance of thunderstorms Thursday night while inland evening showers and a slight (20%) chance of thunderstorms with inland showers likely (70%) with a slight (20%) chance of thunderstorms late Thursday night (0.10 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a good (50%) of rain and a bit warmer Friday afternoon (under 0.10 in. of rain possible), a slight (20%) chance of evening rain, just partly cloudy at night,
  • Mostly sunny and a bit warmer and a bit warmer Saturday, then mostly clear Saturday night.
  • lows near 42 highs 52-60.
  • Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Mostly sunny Tuesday, mostly clear in the evening, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
  • Mostly cloudy with a slight (20%) chance of AM rain, then partly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday afternoon.
  • highs 58-62 cooling to 56 Wednesday lows 42-44. (seasonal average high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain and snow showers likely (70%) with a slight (20%) chance of evening thunderstorms, a slight (20%) chance of showers tonight (0.50 in. of rain possible, 1-3 in. of snow possible), brisk wind (Pass Wind: SW 15-25 mph)
  • Mostly cloudy with AM snow and rain showers likely (70%), showers and a bit cooler with a slight (20%) chance of thunderstorms Thursday afternoon (0.50 in. of rain possible, 1-3 in. of snow possible) and windy (Pass Wind: SW 20-30 mph gusts to 40 mph), evening rain and snow showers, evening snow showers and rain showers and a slight (20%) chance of thunderstorms, good a (50%) chance of snow and rain showers late Thursday night (0.25 in. of rain possible, 1 in. of snow possible), blustery (Pass Wind: S 15-25 mph evening gusts to 45 mph),
  • Mostly cloudy with a slight (20%) chance of AM snow and rain showers, snow showers likely (70%) with a good (50%) of rain showers and a bit warmer Friday afternoon, a good (50%) chance of evening rain and snow showers, just partly cloudy late at night,
  • Mostly cloudy with a (30%) chance of snow showers and a slight (20%) chance of rain showers a bit warmer Saturday, becoming mostly clear Saturday night.
  • snow level 3,000 ft. tonight and Thursday, 2,500 ft. Thursday night, 2,500 ft. rising to 4,000 ft. Friday afternoon, 3,500 ft. Friday night, 4,000 ft.  Saturday, then free air freezing level 6,000 ft. Saturday night.
  • lows 26-24 warming back to 26 Friday cooling to 24 Saturday night highs 35-45.
  • Mostly cloudy and a bit warmer with a slight (20%) chance of rain and snow showers Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday, mostly clear at night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain Tuesday, partly cloudy with a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of rain late Tuesday night.
  • A mix of clouds and sun with a good (50%) chance of rain and snow and cooler Wednesday.
  • snow level 4,000 ft. Sunday, free air freezing level 6,500 ft. Sunday night, 9,000 ft. Monday, 11,000 ft. Monday night, snow level 7,500 ft. Tuesday, 7,000 ft. Tuesday night, then 5,000 ft. Wednesday.
  • highs 45-56 cooling to cooling to 46 Wednesday lows 28-35 cooling to 32 Tuesday night.