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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Hazardous Weather Conditions

Current Conditions

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Rapid City SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

This
Afternoon

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 50 °F

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 31 °F

Monday

Blowing Snow Chance for Measurable Precipitation 40%

Blowing
Snow

High: 35 °F

Monday
Night

Blowing Snow Chance for Measurable Precipitation 50%

Blowing
Snow

Low: 25 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 32 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 20 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 41 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 23 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 27 °F

Detailed Forecast

  • This Afternoon A 30 percent chance of rain. Mostly cloudy, with a high near 50. Light north wind increasing to 8 to 13 mph.
  • Tonight A chance of rain showers before 11pm, then a chance of snow. Cloudy, with a low around 31. Blustery, with a northwest wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 30%.
  • Monday Areas of blowing snow and a chance of snow. Cloudy, with a high near 35. Windy, with a north wind 29 to 36 mph, with gusts as high as 49 mph. Chance of precipitation is 40%.
  • Monday Night Areas of blowing snow and a chance of snow. Mostly cloudy, with a low around 25. Windy, with a north wind 23 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 50%.
  • Tuesday A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 32. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 36 mph.
  • Tuesday Night Partly cloudy, with a low around 20. Northwest wind 9 to 14 mph becoming light west in the evening. Winds could gust as high as 20 mph.
  • Wednesday Mostly sunny, with a high near 41.
  • Wednesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 23.
  • Christmas Day A 40 percent chance of snow. Cloudy, with a high near 27.
  • Thursday Night A 20 percent chance of snow. Mostly cloudy, with a low around 16.
  • Friday Partly sunny, with a high near 25.
  • Friday Night Partly cloudy, with a low around 12.
  • Saturday Mostly sunny, with a high near 29.