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.
Read More...

Hazardous Weather Conditions

Current Conditions

Rapid City

Zone Forecast

  • Today Partly cloudy in the morning...then mostly cloudy with a 40 percent chance of rain in the afternoon. Highs around 50. West winds 5 to 10 mph.
  • Tonight Breezy...cloudy. Chance of rain showers and snow showers in the evening...then chance of snow after midnight. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph becoming 20 to 30 mph with gusts up to 40 mph after midnight. Chance of precipitation 40 percent.
  • Monday Windy. Cloudy with a 50 percent chance of snow. Areas of blowing snow. Highs in the mid 30s. Northwest winds 25 to 40 mph. Gusts up to 45 mph becoming 55 mph in the afternoon.
  • Monday Night Windy. Mostly cloudy with a 50 percent chance of snow. Areas of blowing snow. Lows in the mid 20s. North winds 25 to 35 mph with gusts up to 45 mph.
  • Tuesday Breezy. Partly cloudy. A 20 percent chance of snow showers in the morning. Highs in the lower 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph.
  • Tuesday Night Partly cloudy. Lows around 20.
  • Wednesday Partly cloudy. Highs in the lower 40s.
  • Wednesday Night Becoming mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s.
  • Christmas Day Cloudy with a 40 percent chance of snow. Highs in the upper 20s.
  • Thursday Night Mostly cloudy with a 30 percent chance of snow. Lows 15 to 20.
  • Friday Partly cloudy. Highs in the mid 20s.
  • Friday Night Partly cloudy. Lows 10 to 15.
  • Saturday Partly cloudy. Highs in the upper 20s.