National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

Upper Snake River Plain

Zone Forecast

  • Today Cloudy with a chance of rain. Windy. Highs 40 to 48. Southwest winds 20 to 30 mph. Chance of precipitation 50 percent.
  • Tonight Cloudy. A chance of rain in the evening...then a chance of snow after midnight. Little or no snow accumulation. Lows 25 to 32. Southwest winds 10 to 15 mph. Chance of precipitation 50 percent.
  • Monday Mostly cloudy with a slight chance of snow. Highs 34 to 41. Southwest winds 10 to 15 mph. Chance of precipitation 20 percent.
  • Monday Night Partly cloudy. Colder. Lows 16 to 23. Northwest winds up to 10 mph.
  • Tuesday Partly sunny. Highs 26 to 33. Light and variable winds.
  • Tuesday Night Mostly cloudy. Lows around 22.
  • Wednesday Mostly cloudy with a slight chance of snow. Highs 33 to 40.
  • Wednesday Night Cloudy with a chance of snow. Accumulations possible. Lows around 24.
  • Christmas Day And Thursday Night Mostly cloudy with a slight chance of snow. Highs 27 to 34. Lows 11 to 21.
  • Friday And Friday Night Mostly cloudy. Highs 21 to 28. Lows 8 to 15.
  • Saturday Mostly cloudy with a slight chance of snow. Highs 22 to 29.