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

15°F

-9°C

Humidity 56%
Wind Speed Calm
Barometer 30.23 in (1029.8 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 27 Jan 7:52 pm MST
Extended Forecast for

Rapid City Regional Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. Wind chill values as low as 19. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after 11pm. Cloudy, with a low around 16. Light east wind.

    Low: 16 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 40. Wind chill values as low as 17. Light and variable wind becoming north 10 to 15 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 10. East wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 24. East wind 6 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 9. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 9 °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. South wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 16. Calm wind.
Wednesday
Partly sunny, with a high near 39. Wind chill values as low as 19. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
A 30 percent chance of snow after 11pm. Cloudy, with a low around 16. Light east wind.
Thursday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 40. Wind chill values as low as 17. Light and variable wind becoming north 10 to 15 mph in the morning. Winds could gust as high as 23 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 10. East wind 3 to 6 mph. 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 24. East wind 6 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 9. South wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 45. South wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 46. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
Last Update:
6:27 pm MST Jan 27, 2026
Forecast Valid:
8pm MST Jan 27, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation