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February 16, 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 4 AM TODAY FOR NORTH CENTRAL OREGON.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM TODAY BELOW 1,000 FT. FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM TODAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR THE CENTRAL COLUMBIA RIVER GORGE.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR THE UPPER HOOD RIVER VALLEY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY  FOR THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR THE NORTHERN OREGON CASCADE FOOTHILLS.
  • A WINTER STORM WATCH IS IN EFFECT UNTIL 4 AM TODAY FOR NORTH CENTRAL OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR CENTRAL OREGON.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM TODAY FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • A WIND ADVISORY IS IN EFFECT FROM 9 AM TODAY UNTIL 4 PM SATURDAY FOR THE GREATER PORTLAND METRO AREA.

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   Monday through Friday 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 a (40%) chance of showers this afternoon (under 0.10 in. of rain possible), cloudy with a good (50%) chance of evening showers, rain late tonight (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.
  • highs 52-58 lows 40-43 cooling to 40 Sunday night.
  • 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 a (30%) chance of rain and a bit warmer this afternoon, a good (50%) chance of evening rain, rain likely (70%) late tonight (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.
  • highs 52-58 lows 47-44.
  • 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:

  • Mostly cloudy with a (30%) chance of rain and a bit warmer today (under 0.10 in. of rain possible), evening rain likely (70%), rain late tonight (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.
  • highs 62-58 warming to 68 Sunday lows 49-46.
  • 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 a (40%) chance of showers a bit warmer this afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening rain and snow showers, rain likely (70%) with snow late tonight (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 5,000 ft. today, 6,000 ft. tonight, 5,500 ft. Saturday, then 5,000 ft. Saturday night through Sunday night
  • highs 39-42 lows 33-32.
  • 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.