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February 15, 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 STORM WARNING IS IN EFFECT UNTIL 11 PM TONIGHT ABOVE 5,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM FRIDAY FOR NORTH CENTRAL OREGON.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM FRIDAY BELOW 1,000 FT. FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE CENTRAL COLUMBIA RIVER GORGE.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE UPPER HOOD RIVER VALLEY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY  FOR THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE NORTHERN OREGON CASCADE FOOTHILLS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TODAY FOR THE WESTERN COLUMBIA RIVER GORGE.
  • A WINTER STORM WATCH IS IN EFFECT UNTIL 4 AM FRIDAY FOR NORTH CENTRAL OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR CENTRAL OREGON.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.

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 High Pressure Ridge will helped keep out the rain for a short while. Now it’s back to rain.The graphics for days 1-3  show a stationary front dividing Oregon in half North and South. The graphics for days 3-7   Sunday through Thursday show active weather with complex frontal systems  approaching active over the Pacific Ocean moving toward the Pacific Northwest.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with evening showers, a (40%) chance of showers late tonight (0.50 in. of rain possible),
  • Mostly cloudy with a (40%) chance of showers Friday afternoon (under 0.10 in. of rain possible), cloudy with a good (50%) chance of evening showers, rain late Friday night (0.10 in. of rain possible),
  • Mostly cloudy with rain Saturday (0.25 in. of rain possible) and at night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Sunday, then a good (50%) chance of rain Sunday night.
  • lows 42-40 warming to 43 Saturday night cooling to 40 Sunday night highs 52-58.
  • Mostly cloudy and a bit cooler with rain likely (70) Monday (President’s Day), a good (50%) chance of rain Monday night,
  • Mostly cloudy with a good (50%) chance of rain Tuesday, a good (50%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of rain Wednesday, a (40%) chance of rain Wednesday night,
  • Then a mix of clouds and sun with a (40%) chance of rain Thursday.
  • highs near 57 lows 40-42. (seasonal averages high 52 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with early evening rain, a good (50%) chance of rain tonight (0.25 in. of rain possible),
  • Mostly cloudy with a (30%) chance of rain and a bit warmer Friday afternoon, a good (50%) chance of evening rain, rain likely (70%) late Friday night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain Saturday (0.10 in. of rain possible) and in the evening, rain likely (70%) late at night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with (20%) chance of rain Sunday and in the evening, then rain likely (70%) Sunday night.
  • lows 44-47 cooling to 45 Saturday night highs 52-58.
  • Mostly cloudy and a bit cooler with rain likely (70%) Monday (President’s Day), a good (50%) chance of rain Monday night,
  • Mostly cloudy and a bit warmer with rain likely (70%) Tuesday, a good (50%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of rain Wednesday, a (30%) chance of rain Wednesday night,
  • Then mostly cloudy with a (30%) chance of rain Thursday.
  • highs 56-58 cooling back to 56 Monday warming to 57 Tuesday lows near 43 (seasonal averages high 54 low 38)

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

  • Cloudy with early evening  coastal rain likely (70%) and a good (50%) chance of coastal rain late tonight while a (40%) chance of inland evening rain, a slight (20%) chance of rain late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a (30%) chance of rain and a bit warmer Friday (under 0.10 in. of rain possible), evening rain likely (70%), rain late Friday night (0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain Saturday (0.25 in. of rain possible), evening coastal rain and coastal rain likely (70%) Saturday night while inland rain likely (70%) at night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with a (20%) chance of rain Sunday, evening rain likely (70%), then rain late Sunday night.
  • lows 46-49 cooling back to 46 Saturday night and Sunday night highs 62-58 warming to 68 Sunday.
  • Mostly cloudy and a bit cooler with rain likely (70%) Monday (President’s Day), rain likely (70%) Monday night,
  • Mostly cloudy with rain likely (70%) Tuesday and in the evening, a good (50%) chance of rain late at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Wednesday, a (30%) chance of rain Wednesday night,
  • Then mostly cloudy and a bit warmer with a (30%) chance of rain Thursday.
  • highs near 59 lows near 44. (seasonal averages high 54 low 41).

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening rain and snow showers (snow possibly heavy at times), a good (50%) chance of rain and snow showers late tonight (0.75 in. of rain possible, 5-9 in. of snow possible),
  • Mostly cloudy with a (40%) chance of showers a bit warmer Friday afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening rain and snow showers, rain likely (70%) with snow late Friday night (under 0.10 in. of rain possible, little or no snow accumulation expected),
  • Mostly cloudy with AM snow and rain, rain and a bit warmer Saturday afternoon, rain and snow at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of rain Sunday, then rain and snow likely (70%) Sunday night.
  • snow level 4,500 ft. tonight, 5,000 ft. Friday, 6,000 ft. Friday night, 5,500 ft. Saturday, then 5,000 ft. Saturday night through Sunday night
  • lows 29-33 cooling to 32  highs 39-42.
  • Mostly cloudy with rain and snow Monday (President’s Day), a good (50%) of rain and snow Monday night,
  • Mostly cloudy with rain and snow likely (70%) Tuesday, a good (50%) chance of rain and snow at night,
  • Mostly cloudy with rain and snow likely (70%) Wednesday, mostly cloudy with a good (50%) chance of evening rain and snow, partly cloudy with a good (50%) chance of rain and snow late Wednesday night,
  • Then a mix of clouds and sun with a good (50%) chance of rain and snow Thursday.
  • snow level  5,000 ft. Monday and Monday night, 4,500 ft. Tuesday, 5,000 ft. Tuesday night, 4,500 ft. Wednesday, 5,000 ft. Wednesday night, then 4,500 ft. Thursday.
  • highs near 40 lows 32-29.