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 West Coast through 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

Northern Rocky Mountain Front

Zone Forecast

  • Tonight A chance of snow in the evening...then snow after midnight. Windy. Snow accumulation 2 to 5 inches. Lows 30 to 35. Southwest winds 20 to 30 mph. Gusts up to 40 mph...increasing to 60 mph after midnight. Chance of snow near 100 percent.
  • Sunday Snow and a chance of rain in the morning...then a chance of rain and snow in the afternoon. Windy. Snow accumulation 1 to 4 inches. Total snow accumulation 3 to 10 inches. Snow level 5000 feet. Highs 40 to 45...30 to 40 in the mountains. West winds 25 to 35 mph with gusts to 60 mph. Chance of precipitation near 100 percent.
  • Sunday Night Mostly cloudy with a 50 percent chance of snow. Windy. Lows 20 to 30. West winds 20 to 30 mph...decreasing to 10 to 20 mph after midnight. Gusts up to 45 mph.
  • Monday Mostly cloudy with a 50 percent chance of snow. Highs 30 to 35. West winds 15 to 25 mph with gusts to 50 mph.
  • Monday Night Partly cloudy with a 20 percent chance of snow showers. Lows 20 to 25. West winds 10 to 20 mph with gusts to 40 mph.
  • Tuesday Mostly cloudy with a 50 percent chance of snow showers. Highs 30 to 40.
  • Tuesday Night And Wednesday Mostly cloudy with a 50 percent chance of snow. Lows 20 to 30. Highs 30 to 40.
  • Wednesday Night Snow likely. Significant accumulations possible. Lows 15 to 25. Chance of snow 70 percent.
  • Christmas Day And Thursday Night Mostly cloudy with a 50 percent chance of snow. Highs 20 to 25. Lows 10 to 25.
  • Friday Through Saturday Mostly cloudy with a 50 percent chance of snow. Highs 15 to 25. Lows 5 to 15.