National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 43.98°N 103.47°W (Text-Only)
NWS Forecast for: 6 Miles NNW Keystone SD
Issued by: National Weather Service Rapid City, SD
Last Update: 5:33 pm MDT Jul 19, 2026		Print

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 66. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the morning. Winds could gust as high as 18 mph.

    High: 92 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Monday
    Night

    Monday Night: Areas of smoke. Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 62 °F

    Areas Smoke



  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Mostly Sunny



  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. 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: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms


  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81.

    High: 81 °F

    Showers
    Likely


  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Cloudy

    • Tonight: A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 66. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Monday: A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the morning. Winds could gust as high as 18 mph.

    Monday Night: Areas of smoke. Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 22 mph.

    Tuesday Night: Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Wednesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81.

    Thursday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.

    Friday Night: Partly cloudy, with a low around 65.

    Saturday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95.

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.

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


    6 Miles NNW Keystone SD
     43.98°N 103.47°W (Elev. 4800 ft)

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