National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

14°F

-10°C

Humidity 73%
Wind Speed Calm
Barometer 30.14 in (1025.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 28 Jan 2:52 am MST
Extended Forecast for

Rapid City SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. West wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Calm wind becoming east around 6 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 20. Calm wind. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 39. Wind chill values as low as 18. Light northwest wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 14. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 26. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 13. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 13 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 45. Southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. West wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 44. Calm wind becoming east around 6 mph.
Wednesday Night
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 20. Calm wind. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 39. Wind chill values as low as 18. Light northwest wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 14. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 26. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13. South wind around 7 mph, with gusts as high as 16 mph.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 45. Southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
1:46 am MST Jan 28, 2026
Forecast Valid:
3am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation