Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

82°F

28°C

Humidity 40%
Wind Speed SW 5 mph
Barometer 29.85 in (1006.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 26 Jul 12:52 am MDT
Extended Forecast for

8 Miles SW Blackhawk SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a steady temperature around 74. West wind 3 to 5 mph. Winds could gust as high as 17 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny and hot, with a high near 101. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms.  Increasing clouds, with a low around 67. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon.  Increasing clouds, with a high near 95. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 95 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 65. South wind around 6 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a steady temperature around 74. West wind 3 to 5 mph. Winds could gust as high as 17 mph.
Sunday
Sunny and hot, with a high near 101. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
A slight chance of showers and thunderstorms. Increasing clouds, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 95. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. South wind around 6 mph becoming calm 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 93. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms after noon. Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 61.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Blackhawk SD
 44.09°N 103.45°W (Elev. 4505 ft)
12:31 am MDT Jul 26, 2026
1am MDT Jul 26, 2026-6pm MDT Aug 1, 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