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

Lewis and Southern Nez Perce Counties

Zone Forecast

  • Rest Of Tonight Rain. Lows in the upper 30s to lower 40s. Windy. Southwest wind 15 to 25 mph. Gusts up to 40 mph overnight. Chance of precipitation near 100 percent. Rainfall amounts up to three quarters of an inch possible.
  • Sunday Rain. Highs in the upper 40s to lower 50s. Very windy. West wind 20 to 35 mph. Chance of precipitation near 100 percent. Rainfall amounts up to a half of an inch possible.
  • Sunday Night Rain through the night. High elevation snow overnight. High elevation snow accumulation up to 1 inch. Lows in the mid to upper 30s...west wind 15 to 25 mph...gusts up to 35 mph. Windy. Chance of precipitation near 100 percent.
  • Monday Mostly cloudy with a 50 percent chance of rain or snow. Snow level 3500 feet. Highs in the lower to mid 40s. West wind 5 to 15 mph with gusts to around 30 mph.
  • Monday Night Mostly cloudy. A 20 percent chance of rain or snow in the evening. Snow level 3500 feet. Lows in the upper 20s to lower 30s.
  • Tuesday Partly sunny with a 50 percent chance of rain or snow. Highs in the upper 30s to lower 40s.
  • Tuesday Night Mostly cloudy with a 50 percent chance of rain. Lows in the lower to mid 30s.
  • Wednesday Rain and high elevation snow likely. Highs in the upper 30s to lower 40s. Chance of precipitation 70 percent.
  • Wednesday Night Snow likely. Lows in the lower to mid 30s. Chance of precipitation 70 percent.
  • Christmas Day And Thursday Night Mostly cloudy with a 50 percent chance of snow. Highs in the lower to mid 30s. Lows 19 to 23.
  • Friday Mostly cloudy. Highs in the lower to mid 30s.
  • Friday Night And Saturday Mostly cloudy with a 40 percent chance of snow. Lows in the lower to mid 20s. Highs in the 30s.