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7-Day Forecast 43.31°N 102.37°W (Text-Only)
NWS Forecast for: 3 Miles NNW Porcupine SD
Issued by: National Weather Service Rapid City, SD
Last Update: 1:28 am MDT Jul 17, 2025		Print

  • Overnight

    Overnight: Cloudy, with a steady temperature around 14. East wind 15 to 20 km/h, with gusts as high as 30 km/h.

    Low: 14 °C

    Cloudy




  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 27. Breezy, with a south wind 20 to 25 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 27 °C

    Mostly Cloudy
    then
    Decreasing
    Clouds and
    Breezy

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 17. South wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 50 km/h.

    Low: 17 °C

    Slight Chance
    T-storms



  • Friday

    Friday: Mostly sunny, with a high near 29. Southwest wind 15 to 25 km/h becoming northeast in the afternoon. Winds could gust as high as 35 km/h.

    High: 29 °C

    Mostly Sunny




  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. East wind 15 to 25 km/h, with gusts as high as 35 km/h.

    Low: 17 °C

    Chance
    T-storms



  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 28. Southeast wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 28 °C

    Chance
    Showers then
    Chance
    T-storms

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 17. Southeast wind 20 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 40%.

    Low: 17 °C

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 34. Southwest wind 20 to 25 km/h, with gusts as high as 35 km/h.

    High: 34 °C

    Sunny




  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °C

    Mostly Clear






    • Overnight: Cloudy, with a steady temperature around 14. East wind 15 to 20 km/h, with gusts as high as 30 km/h.

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 27. Breezy, with a south wind 20 to 25 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.

    Thursday Night: A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 17. South wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 50 km/h.

    Friday: Mostly sunny, with a high near 29. Southwest wind 15 to 25 km/h becoming northeast in the afternoon. Winds could gust as high as 35 km/h.

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. East wind 15 to 25 km/h, with gusts as high as 35 km/h.

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 28. Southeast wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 17. Southeast wind 20 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 40%.

    Sunday: Sunny, with a high near 34. Southwest wind 20 to 25 km/h, with gusts as high as 35 km/h.

    Sunday Night: Mostly clear, with a low around 18.

    Monday: Mostly sunny, with a high near 36.

    Monday Night: Mostly clear, with a low around 19.

    Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 36.

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 18.

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 32.


    3 Miles NNW Porcupine SD
     43.31°N 102.37°W (Elev. 3015 m)

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