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

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast

30°F

-1°C

Humidity 88%
Wind Speed SE 7 mph
Barometer 29.93 in (1016.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 13 Mar 11:52 pm MDT
Extended Forecast for

New Underwood SD

Winter Weather Advisory March 14, 06:00pm until March 15, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 30 percent chance of snow before 3am. Mostly cloudy, with a low around 23. Wind chill values as low as 14. Southeast wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of rain after 3pm. Partly sunny, with a high near 48. Wind chill values as low as 13 early. Northeast wind 9 to 18 mph, with gusts as high as 25 mph.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain before 7pm, then rain and snow between 7pm and 8pm, then snow after 8pm. Widespread blowing snow, mainly after 3am. Low around 11. Wind chill values as low as -11. Windy, with a northeast wind 18 to 23 mph becoming north 32 to 37 mph in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Rain/Snow and
    Blustery then
    Snow and
    Blowing Snow

  • Sunday

    Sunday: Snow likely before noon. Widespread blowing snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 25. Wind chill values as low as -12. Windy, with a north wind 33 to 38 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow before 7pm. Mostly clear, with a low around 3. Blustery, with a north wind 17 to 22 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 3 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Increasing clouds, with a high near 35. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 35 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 17 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Breezy, with a southwest wind 6 to 11 mph becoming northwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 68 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow before 3am. Mostly cloudy, with a low around 23. Wind chill values as low as 14. Southeast wind 6 to 8 mph, with gusts as high as 17 mph.
Saturday
A 20 percent chance of rain after 3pm. Partly sunny, with a high near 48. Wind chill values as low as 13 early. Northeast wind 9 to 18 mph, with gusts as high as 25 mph.
Saturday Night
Rain before 7pm, then rain and snow between 7pm and 8pm, then snow after 8pm. Widespread blowing snow, mainly after 3am. Low around 11. Wind chill values as low as -11. Windy, with a northeast wind 18 to 23 mph becoming north 32 to 37 mph in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely before noon. Widespread blowing snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 25. Wind chill values as low as -12. Windy, with a north wind 33 to 38 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Patchy blowing snow before 7pm. Mostly clear, with a low around 3. Blustery, with a north wind 17 to 22 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 33 mph.
Monday
Increasing clouds, with a high near 35. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 19. Southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 17 mph.
Tuesday
Partly sunny, with a high near 68. Breezy, with a southwest wind 6 to 11 mph becoming northwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Partly cloudy, with a low around 39. Breezy.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Underwood SD
 44.09°N 102.82°W (Elev. 2894 ft)
Last Update:
9:36 pm MDT Mar 13, 2026
Forecast Valid:
12am MDT Mar 14, 2026-6pm MDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation