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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: 7:29 pm CDT Jul 12, 2025		Print

  • Tonight

    Tonight: Mostly cloudy early, then becoming clear, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Clear



  • Sunday

    Sunday: Sunny, with a high near 95. Southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 95 °F

    Sunny



  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 63. North wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 63 °F

    Mostly Clear



  • Monday

    Monday: Sunny, with a high near 99. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 99 °F

    Sunny then
    Sunny and
    Breezy

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Breezy, with a south wind 15 to 20 mph becoming east in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers


    • Tonight: Mostly cloudy early, then becoming clear, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunday: Sunny, with a high near 95. Southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    Sunday Night: Mostly clear, with a low around 63. North wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Monday: Sunny, with a high near 99. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Breezy, with a south wind 15 to 20 mph becoming east in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

    Thursday: Partly sunny, with a high near 76.

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

    Friday: Partly sunny, with a high near 83.

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Saturday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 86.


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

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