Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Light Rain

67°F

19°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 30.07 in (1015.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 23 Aug 1:52 am MDT
Extended Forecast for

3 Miles S Rapid City SD

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms, mainly between 3am and 4am.  Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 87. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 66. East wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89. West wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 62. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Northwest wind around 7 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms, mainly between 3am and 4am. Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 87. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. East wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. West wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Northwest wind around 7 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms after noon. Sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Rapid City SD
 44.03°N 103.24°W (Elev. 3599 ft)
12:46 am MDT Aug 23, 2026
2am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
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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