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Tim Chuey Weather

by | Mar 11, 2024 | Weather

March 12, 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 6 PM TODAY ABOVE 3,000 FT. FOR THE CASCADES IN MARION AND LINN COUNTIES.UNTIL 11 PM TUESDAY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM TODAY ABOVE 2,500 FT. FOR THE NORTH OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM TODAY ABOVE 4,000 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 2 PM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY.
  • *A WINTER STORM WARNING IS IN EFFECT UNTIL 5 PM TODAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A WIND ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR CENTRAL AND EASTERN LAKE COUNTY.
  • A FLOOD WATCH IS IN EFFECT UNTIL FURTHER NOTICE FOR THE COQUILLE RIVER AT COQUILLE AFFECTING THE SOUTTH CENTRAL OREGON COAST ZONE.

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) keeps the Pacific Northwest in wet weather.  The graphics for days 1-3  show the next frontal system that is approaching the coast. The graphics for days 3-7    Friday through Tuesday show the frontal activity through the period.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy and a bit cooler with showers today (0.25 in,. of rain possible), a good (50%) chance of evening showers, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
  • A mix of clouds and sun and a bit warmer Wednesday, mostly clear with areas of frost late at night,
  • Some AM clouds with widespread frost, mostly sunny and warmer Thursday afternoon, then mostly clear Thursday night.
  • highs 52-62 lows 37-32 warming to 35 Thursday night.
  • Mostly sunny and warmer Friday, mostly clear Friday night,
  • Mostly sunny and a bit warmer Saturday, mostly clear at night,
  • Mostly sunny and a bit cooler Sunday afternoon, mostly clear Sunday night,
  • Some AM clouds, then mostly sunny and a bit cooler Monday.
  • highs 70-73 cooling to 69 Monday lows 38-42. (seasonal averages high 56 low 37)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with AM rain and a slight (20%) chance  of thunderstorms, a good (50%) chance of rain and a bit warmer this afternoon (0.10 in. of rain possible, snow level 3,000 ft. falling to 2,500 ft. this afternoon), a (30%) chance of evening rain and snow, a slight (20%) chance of rain late  tonight (under 0.10 in. of rain possible),
  • Mostly cloudy start, partly cloudy and a bit warmer Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 52-63 lows 38-34 warming back to 38 Thursday night .
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Mostly sunny Saturday and Sunday, mostly clear both nights,
  • Then mostly sunny and a bit cooler Monday.
  • highs 72-70 lows 42-45. (seasonal average high 58 low 39)

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

  • Mostly cloudy with AM coastal showers likely (70%) and a slight (20%) chance of thunderstorms with a slight (20%) chance of coastal rain and a bit warmer this afternoon while inland AM showers and a slight (20%) chance of thunderstorms and a good (50%) chance of inland rain and a bit warmer this afternoon (0.10 in. of rain possible), a slight (20%) chance of evening coastal rain while a slight (20%) chance of inland rain tonight (under 0.10 in. of rain possible),
  • Mostly cloudy start, partly cloudy and a bit warmer Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 53-63 lows 38-42.
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Mostly sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
  • Some AM clouds, then mostly sunny and a bit cooler Monday afternoon.
  • highs 70-63 lows near 44. (seasonal average high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy and a bit cooler with rain showers and snow showers today (0.75 in. of rain possible, 4-8 in. of snow possible, AM snow possibly heavy at times) and brisk winds (Pass Wind: W 15-25 mph ), evening snow showers with rain showers likely (70%), a good (50%) chance of snow showers late tonight,
  • Mostly cloudy with a good (50%) chance of AM snow showers, just partly cloudy and a bit warmer Wednesday afternoon, mostly clear at night,
  • Mostly sunny and warmer Thursday, then mostly clear Thursday night.
  • snow level 3,000 ft. today, 2,000 ft. tonight and Wednesday morning, free air freezing level 4,000 ft. Wednesday night, 9,000 ft. Thursday, then 8,000 ft. Thursday night.
  • highs 33-46 lows 24-22 warming to 26 Thursday night.
  • Mostly sunny and a bit warmer Friday and Saturday, mostly clear both nights,
  • Then mostly sunny Sunday and Monday, mostly clear Sunday night.
  • free air freezing level 11,000 ft. Friday through Saturday, 10,000 ft. Saturday night and Sunday, then 11,000 ft Sunday night and Monday.
  • highs 52-56 lows 30-33.