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.

Fair

100°F

38°C

Humidity 16%
Wind Speed S 18 G 29 mph
Barometer 29.79 in (1004.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 3 Jul 12:52 pm MDT
Extended Forecast for

Rapid City SD

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 100. South wind around 15 mph, with gusts as high as 30 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and midnight. Mostly cloudy, with a low around 68. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 25 mph.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Northwest wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 61. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 100. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
A slight chance of showers and thunderstorms between 10pm and midnight. Mostly cloudy, with a low around 68. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Independence Day
A slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Northwest wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 61. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 90.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 63.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
11:09 am MDT Jul 3, 2025
Forecast Valid:
1pm MDT Jul 3, 2025-6pm MDT Jul 9, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation