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7-Day Forecast 43.37°N 99.85°W (Text-Only)
NWS Forecast for: Winner SD
Issued by: National Weather Service Rapid City, SD
Last Update: 8:29 pm CDT Jul 13, 2025		Print

  • Tonight

    Tonight: Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 63 °F

    Mostly Clear



  • Monday

    Monday: Sunny, with a high near 99. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 99 °F

    Sunny then
    Sunny and
    Breezy

  • Monday
    Night

    Monday Night: Increasing clouds, with a low around 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 60. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely


  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms


  • Thursday

    Thursday: Partly sunny, with a high near 76. North wind 10 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Partly Sunny



  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy



    • Tonight: Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Monday: Sunny, with a high near 99. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    Monday Night: Increasing clouds, with a low around 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 60. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Thursday: Partly sunny, with a high near 76. North wind 10 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    Thursday Night: Partly cloudy, with a low around 59.

    Friday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 82.

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Saturday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 84.

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.

    Sunday: Mostly sunny, with a high near 88.


    Winner SD
     43.37°N 99.85°W (Elev. 1998 ft)

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