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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 10 PM TODAY FOR THE WESTERN COLUMBIA RIVER GORGE.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TODAY FOR THE UPPER HOOD RIVER VALLEY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TODAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TODAY ABOVE 3,500 FT. FOR THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR CENTRAL OREGON.
  • A WINTER STORM WATCH IS IN EFFECT UNTIL 4 AM FRIDAY FOR NORTH CENTRAL 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 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE LOWER COLUMBIA AND THE GREATER PORTLAND METRO AREA.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TODAY FOR THE NORTHERN OREGON CASCADE FOOTHILLS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY ABOVE 5,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR CENTRAL OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF 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 PM THURSDAY FOR THE COAST RANGE OF NORTHWEST OREGON.

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 new complex frontal system that moved through Oregon Wednesday bringing rain for Valentine’s Day. The graphics for days 3-7   Sunday through Thursday show active weather with complex frontal systems  approaching the Pacific Northwest.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy and a bit cooler with rain today (0.25 in. of rain possible), rain with patchy fog late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of rain Friday (under 0.10 in. of rain possible), rain at night (under 0.10 in. of rain possible),
  • Then mostly cloudy with rain Saturday and Saturday night.
  • highs near 47 lows 38-40.
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Sunday, a good (50%) chance of rain Sunday night,
  • Mostly cloudy and a bit warmer with rain likely (70) Monday (President’s Day), a good (50%) chance of rain at night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday, a good (50%) chance of rain Tuesday night,
  • Then a mix of clouds and sun with a good (50%) chance of rain Wednesday.
  • highs 49-56 lows 39-42 (seasonal averages high 51 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with AM showers likely (70%), (snow level 3,500 ft.), showers and a bit warmer with showers this afternoon (0.25 in. of rain possible), evening showers, a good (50%) chance of rain late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM rain, a (30%) chance of showers and a bit warmer Friday afternoon, showers likely (70%) at night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with showers Saturday and in the evening, then showers likely (70%) late Saturday night.
  • highs 52-58 lows 44-47 cooling to 45 Saturday night.
  • Mostly cloudy and a bit warmer with a slight (20%) chance of showers Sunday and in the evening, showers likely (70%) Sunday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Monday (President’s Day), a good (50%) chance of showers at night,
  • Mostly cloudy and a bit warmer with showers likely (70%) Tuesday, a good (50%) chance of showers Tuesday night,
  • Mostly cloudy with a good (50%) chance of AM showers, then showers likely (70%) Wednesday afternoon.
  • 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:

  • Mostly cloudy with AM coastal showers while inland AM showers likely (70%), showers and slightly cooler this afternoon (0.25 in. of rain possible),  cloudy with evening showers, a (30%) chance of rain late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM rain, showers likely (70%) and a bit warmer Friday afternoon (under 0.10 in. of rain possible), cloudy with showers at night (0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with showers Saturday and in the evening, then showers likely (70%) Saturday night.
  • highs 54-60 cooling to 57 Saturday lows 46-48 cooling back to 46 Saturday night.
  • Mostly cloudy and a bit warmer with a slight (20%) chance of showers Sunday and in the evening, showers likely (70%) late Sunday night,
  • Mostly cloudy with showers likely (70%) Monday (President’s Day), showers likely (70%) at night,
  • Mostly cloudy with showers likely (70%) Tuesday and Tuesday night,
  • Then mostly cloudy with showers likely (70%) Wednesday.
  • highs near 59 lows near 44. (seasonal averages high 54 low 41).

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with AM rain and snow and blowing snow, a bit cooler with rain and snow today (1.00 in. of rain possible, 5-11 in. of snow possible) and breezy (Pass Wind: SW 15-25 mph gusts to 45 mph decreasing to SW 10-15 mph gusts to 25 mph this afternoon), rain and snow late tonight (0.50 in. of rain possible, 3-6 in. of snow possible, evening snow possibly heavy at times),
  • Mostly cloudy with a good (50%) chance of AM snow and rain, a bit warmer with a good (50%) chance of rain Friday afternoon, rain likely (70%) at night,
  • Mostly cloudy with with rain Saturday, then rain and snow Saturday night.
  • snow level 4,000 ft. tonight through Thursday night, 5,000 ft. rising to 6,000 ft. Friday afternoon,  6,000 ft. Friday night, 5,500 ft. Saturday, then 5,000 ft. Saturday night.
  • highs 32-39 lows 29-32.
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain and snow Sunday, a good (50%) chance of rain and snow Sunday night,
  • Mostly cloudy with rain and snow Monday (President’s Day), a good (50%) of rain and snow at night,
  • Mostly cloudy with rain and snow likely (70%) Tuesday, a good (50%) chance of rain and snow Tuesday night,
  • Then mostly cloudy with rain and snow likely (70%) Wednesday.
  • snow level 4,500 ft. Sunday, 5,000 ft. Sunday night, 5,000 ft. Monday through Tuesday night, then 4,500 ft. Wednesday.
  • highs near 40 lows 32-29.