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.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Rapid City SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 35 °F

Sunday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 50 °F

Sunday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 32 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 36 °FFalling Temperatures

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 26 °F

Tuesday

Breezy

Breezy

High: 35 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 40 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 23 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 35. Light and variable wind becoming north around 5 mph after midnight.
  • Sunday A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
  • Sunday Night A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 9 to 14 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
  • Monday A chance of rain and snow. Mostly cloudy, with a temperature rising to near 36 by 11am, then falling to around 31 during the remainder of the day. Windy, with a northwest wind 23 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 30%.
  • Monday Night A 30 percent chance of snow. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 39 mph.
  • Tuesday Mostly sunny, with a high near 35. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.
  • Tuesday Night Partly cloudy, with a low around 23.
  • Wednesday Mostly sunny, with a high near 40.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 23.
  • Christmas Day A 30 percent chance of snow. Mostly cloudy, with a high near 34.
  • Thursday Night A 20 percent chance of snow. Mostly cloudy, with a low around 17.
  • Friday Partly sunny, with a high near 28.
  • Friday Night Partly cloudy, with a low around 14.
  • Saturday Mostly sunny, with a high near 33.