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.

Mostly Cloudy

59°F

15°C

Humidity 90%
Wind Speed NW 3 mph
Barometer 29.91 in (1011.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 2 Sep 1:52 am MDT
Extended Forecast for

Box Elder SD

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Light southeast wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.

    High: 93 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 95. Southwest wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Southwest wind 6 to 11 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Light southeast wind.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 65. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 95. Southwest wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 62. Southwest wind 6 to 11 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 98. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Labor Day
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Box Elder SD
 44.1°N 103.06°W (Elev. 3094 ft)
Last Update:
12:31 am MDT Sep 2, 2026
Forecast Valid:
2am MDT Sep 2, 2026-6pm MDT Sep 8, 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