Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Partly Cloudy

20°F

-7°C

Humidity 45%
Wind Speed N 17 G 24 mph
Barometer 30.22 in (1029.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 22 Jan 2:52 pm MST
Extended Forecast for

2 Miles ESE New Underwood SD

Cold Weather Advisory January 22, 06:00pm until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: A chance of snow before 11pm, then a slight chance of snow after 5am.  Mostly cloudy, with a low around -9. Wind chill values as low as -26. Blustery, with a northeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.

    Low: -9 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 50 percent chance of snow, mainly after 8am.  Cloudy, with a high near 3. Wind chill values as low as -25. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.  New snow accumulation of less than one inch possible.

    High: 3 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around -10. Wind chill values as low as -20. Southeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 16 mph.

    Low: -10 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 18. Wind chill values as low as -17. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 18 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -4. North wind around 7 mph.

    Low: -4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 11. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 11 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5. South wind around 7 mph.

    Low: -5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40. West wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow before 11pm, then a slight chance of snow after 5am. Mostly cloudy, with a low around -9. Wind chill values as low as -26. Blustery, with a northeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Friday
A 50 percent chance of snow, mainly after 8am. Cloudy, with a high near 3. Wind chill values as low as -25. Southeast wind 8 to 13 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow before 11pm. Cloudy during the early evening, then gradual clearing, with a low around -10. Wind chill values as low as -20. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 18. Wind chill values as low as -17. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around -4. North wind around 7 mph.
Sunday
Mostly sunny, with a high near 11. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around -5. South wind around 7 mph.
Monday
Sunny, with a high near 40. West wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 10.
Wednesday
A slight chance of snow. Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
12:46 pm MST Jan 22, 2026
3pm MST Jan 22, 2026-6pm MST Jan 29, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database