NWS Forecast for: Keystone SD
Issued by: National Weather Service Rapid City, SD
Last Update: 1:46 am MDT Apr 27, 2018
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  • Overnight

    Overnight: Clear, with a low around 44. West wind around 7 mph.

    Clear



    Low: 44 °F

  • Friday

    Friday: Sunny, with a high near 66. Northwest wind 6 to 9 mph becoming east in the afternoon.

    Sunny



    High: 66 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 39. East wind 5 to 7 mph becoming light and variable.

    Mostly Clear



    Low: 39 °F

  • Saturday

    Saturday: Sunny, with a high near 68. South wind 6 to 14 mph, with gusts as high as 20 mph.

    Sunny



    High: 68 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 49. South wind 10 to 14 mph, with gusts as high as 20 mph.

    Mostly Clear



    Low: 49 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. South wind 8 to 10 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 77 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 46.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 46 °F

  • Monday

    Monday: A slight chance of showers after noon.  Partly sunny, with a high near 64.

    Mostly Sunny
    then Slight
    Chance
    Showers

    High: 64 °F

  • Monday
    Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 39.

    Chance
    Showers


    Low: 39 °F

  • Overnight: Clear, with a low around 44. West wind around 7 mph.

    Friday: Sunny, with a high near 66. Northwest wind 6 to 9 mph becoming east in the afternoon.

    Friday Night: Mostly clear, with a low around 39. East wind 5 to 7 mph becoming light and variable.

    Saturday: Sunny, with a high near 68. South wind 6 to 14 mph, with gusts as high as 20 mph.

    Saturday Night: Mostly clear, with a low around 49. South wind 10 to 14 mph, with gusts as high as 20 mph.

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. South wind 8 to 10 mph.

    Sunday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 46.

    Monday: A slight chance of showers after noon. Partly sunny, with a high near 64.

    Monday Night: A chance of showers. Mostly cloudy, with a low around 39.

    Tuesday: A chance of showers, mainly before noon. Mostly cloudy, with a high near 53.

    Tuesday Night: Mostly cloudy, with a low around 36.

    Wednesday: A chance of showers. Mostly cloudy, with a high near 53.

    Wednesday Night: A slight chance of rain and snow showers. Mostly cloudy, with a low around 32.

    Thursday: Partly sunny, with a high near 54.



    Keystone SD
     43.89°N 103.43°W (Elev. 4541 ft)

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