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

71°F

22°C

Humidity 68%
Wind Speed SE 3 mph
Barometer 30.13 in (1017.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 22 Aug 10:52 pm MDT
Extended Forecast for

Blackhawk SD

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a chance of showers.  Low around 64. South wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 92. South wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 65. Southeast wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90. West wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 62. North wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 21 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. Northwest wind 6 to 8 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 64. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. South wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 65. Southeast wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. West wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 62. North wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 21 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Northwest wind 6 to 8 mph becoming north in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Blackhawk SD
 44.16°N 103.31°W (Elev. 3514 ft)
10:31 pm MDT Aug 22, 2026
11pm MDT Aug 22, 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