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

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast

9°F

-13°C

Humidity 61%
Wind Speed E 5 mph
Barometer 30.23 in (1030.3 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 28 Dec 9:52 am MST
Extended Forecast for

Rapid Valley SD

  • Today

    Today: Mostly sunny, with a high near 17. Wind chill values as low as -12. Windy, with a northwest wind 21 to 31 mph, with gusts as high as 44 mph.

    High: 17 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 6. Wind chill values as low as -8. Blustery, with a north wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.

    Low: 6 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 38. Wind chill values as low as -1. South wind 3 to 7 mph. Winds could gust as high as 15 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 21. West wind around 6 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Southwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. North wind around 6 mph becoming light and variable after midnight.

    Low: 24 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 17. Wind chill values as low as -12. Windy, with a northwest wind 21 to 31 mph, with gusts as high as 44 mph.
Tonight
Mostly clear, with a low around 6. Wind chill values as low as -8. Blustery, with a north wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Monday
Sunny, with a high near 38. Wind chill values as low as -1. South wind 3 to 7 mph. Winds could gust as high as 15 mph.
Monday Night
Increasing clouds, with a low around 21. West wind around 6 mph.
Tuesday
Partly sunny, with a high near 49. Northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 25. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 55. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 24. North wind around 6 mph becoming light and variable after midnight.
New Year's Day
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.15°W (Elev. 3107 ft)
Last Update:
10:32 am MST Dec 28, 2025
Forecast Valid:
10am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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