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

Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Light Rain Fog/Mist

64°F

18°C

Humidity 93%
Wind Speed SE 12 mph
Barometer 30.32 in (1025.1 mb)
Dewpoint 62°F (17°C)
Visibility 3.00 mi
Last update 31 Jul 8:52 am MDT
Extended Forecast for

Box Elder SD

  • Today

    Today: Scattered showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 76. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 76 °F

    Scattered
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Areas of smoke after midnight. Mostly cloudy, with a low around 60. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Scattered
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after noon. Areas of smoke. Partly sunny, with a high near 81. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 76. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Areas of smoke after midnight. Mostly cloudy, with a low around 60. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after noon. Areas of smoke. Partly sunny, with a high near 81. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Box Elder SD
 44.13°N 103.06°W (Elev. 3091 ft)
Last Update:
6:49 am MDT Jul 31, 2025
Forecast Valid:
9am MDT Jul 31, 2025-6pm MDT Aug 6, 2025
 
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