Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

93°F

34°C

Humidity 26%
Wind Speed E 6 mph
Barometer 29.91 in (1008.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Jul 7:52 pm MDT
Extended Forecast for

8 Miles S Nemo SD

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 93. Calm wind becoming south around 6 mph. Winds could gust as high as 22 mph.

    High: 93 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, mainly before midnight.  Areas of smoke between 9pm and midnight. Mostly cloudy, with a low around 67. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    Low: 67 °F

    Scattered
    T-storms then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 93. Calm wind becoming south around 6 mph. Winds could gust as high as 22 mph.
Monday Night
Scattered showers and thunderstorms, mainly before midnight. Areas of smoke between 9pm and midnight. Mostly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60.
Friday
A chance of showers and thunderstorms after noon. Sunny, with a high near 89.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Nemo SD
 44.06°N 103.48°W (Elev. 4797 ft)
5:41 pm MDT Jul 26, 2026
8pm MDT Jul 26, 2026-6pm MDT Aug 2, 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