Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Light Snow

-3°F

-19°C

Humidity 68%
Wind Speed N 13 mph
Barometer 30.48 in (1039.2 mb)
Dewpoint -11°F (-24°C)
Visibility 5.00 mi
Wind Chill-22°F (-30°C)
Last update 22 Jan 11:52 pm MST
Extended Forecast for

2 Miles ESE New Underwood SD

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

    NOW until 12:00pm Fri

    Cold Weather Advisory

  • Overnight

    Low: -9 °F

    Slight Chance
    Snow

  • 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

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around -9. Wind chill values as low as -26. Northeast wind 9 to 11 mph, with gusts as high as 18 mph.
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.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
9:56 pm MST Jan 22, 2026
12am MST Jan 23, 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