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February 14, 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 FROM 10 PM TONIGHT 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 FROM 10 PM TONIGHT UNTIL 4 AM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A WINTER STORM WARNING IS IN EFFECT FROM 8 AM WEDNESDAY UNTIL 10 PM THURSDAY FOR THE WESTERN COLUMBIA RIVER GORGE.
  • A WINTER STORM WARNING IS IN EFFECT FOR FROM 8 AM WEDNESDAY UNTIL 10 PM THURSDAY FOR THE UPPER HOOD RIVER VALLEY.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 10 PM THURSDAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 10 PM THURSDAY FOR THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 10 AM THURSDAY FOR CENTRAL OREGON.
  • A WINTER STORM WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT FOR NORTH CENTRAL OREGON.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 4 AM FRIDAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM WEDNESDAY UNTIL 4 AM FRIDAY FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  • WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM WEDNESDAY UNTIL 4 AM FRIDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF 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 will move through Oregon today bringing rain for Valentine’s Day. The graphics for days 3-7   Saturday through Wednesday 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 (0.50 in. of rain possible) today (Valentine’s Day), rain tonight (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Thursday (0.25 in. of rain possible), evening rain likely (70%), a good (50%) chance of rain at night (0.25 in. of rain possible),
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain Friday, then rain likely (70%) Friday night.
  • highs 48-50 cooling to 47 Friday lows near 38.
  • Mostly cloudy with rain Saturday, a good (50%) chance of rain Saturday night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of rain Sunday, a good (50%) chance of rain at night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Monday (President’s Day) and Monday night,
  • Then mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday.
  • highs 47-56 lows near 39 (seasonal averages high 51 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy and a bit cooler with rain (0.10 in. of rain possible) today (Valentine’s Day) and this evening, showers late tonight (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with showers Thursday (0.25 in. of rain possible), evening showers likely (70%), a good (50%) chance of showers late at night (0.25 in. of rain possible),
  • Mostly cloudy with a (30%) chance of showers and a bit warmer Friday, evening showers likely (70%), then showers late Friday night.
  • highs 52-59 lows 44-46.
  • Mostly cloudy and a bit cooler with showers Saturday and in the evening, a good (50%) chance of showers late Saturday night,
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Sunday, a (40%) chance of showers at night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Monday (President’s Day) and Monday night,
  • Then mostly cloudy and a bit warmer with showers likely (70%) Tuesday.
  • 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 rain, coastal rain with a slight (20%) chance of thunderstorms this afternoon (Valentine’s Day) while inland rain likely (70%) this afternoon  (0.10 in. of rain possible), evening coastal rain with a slight (20%) chance of thunderstorms while inland evening rain, showers late tonight (0.50 in. of rain possible) and breezy (Coastal Wind: S 15-25 mph while Inland wind S 15-25 mph decreasing to S 10-15 mph late at night),
  • Mostly cloudy with showers Thursday (0.25 in. of rain possible),  a (30%) chance of showers at night (0.25 in. of rain possible),
  • Mostly cloudy with a (40%) chance of showers and a bit warmer Friday, evening showers likely (70%), then showers late Friday night.
  • highs 55-62 lows 45-47.
  • Mostly cloudy and a bit cooler with showers Saturday, a good (50%) chance of showers Saturday night,
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Sunday and in the evening, showers likely (70%) late at night,
  • Mostly cloudy with showers likely (70%) Monday (President’s Day), showers likely (70%) Monday night,
  • Then mostly cloudy with showers likely (70%) Tuesday.
  • highs near 58 lows 46-44. (seasonal averages high 54 low 41).

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain and snow and a bit cooler today (0.75 in of rain possible, 3-7 in. of snow possible, AM snow possibly heavy at times), Wednesday (Valentine’s Day), mostly cloudy with snow and rain tonight (0.50 in. of rain possible, 3-7 in. of snow possible),
  • Mostly cloudy with snow and rain and a bit cooler Thursday, mostly cloudy with evening snow and rain likely (70%),  a good (50%) chance of rain and snow late at night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain and snow Friday, then rain and snow likely (70%) Friday night.
  • snow level 4,500 ft. today, 3,500 ft. tonight,  4,000 ft. Thursday, 4,500 ft. Thursday night, 4,500 ft. Friday,  5,000 ft. Friday, then 5,500 ft. Friday night.
  • highs 39-34 lows 29-32.
  • Mostly cloudy and a bit cooler with with rain and snow Saturday, rain and snow likely (70%) Saturday night,
  • A mix of clouds and sun with a good (50%) chance of rain and snow Sunday and at night,
  • Mostly cloudy and a bit warmer with rain and snow likely (70%) Monday (President’s Day), rain likely (70%) with a (%) chance of snow Monday night,
  • Then mostly cloudy and a bit warmer with rain and snow likely (70%) Tuesday.
  • snow level 5,500 ft. Saturday, 5,000 ft. Saturday night, then 4,500 ft. Sunday through Tuesday.
  • highs near 39 lows 32-29.