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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 45.66°N 97.04°W (Text-Only)
NWS Forecast for: Sisseton SD
Issued by: National Weather Service Aberdeen, SD
Last Update: 4:36 am CDT Jun 30, 2026		Print

  • Today

    Today: Sunny, with a high near 86. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 86 °F

    Sunny



  • Tonight

    Tonight: Increasing clouds, with a low around 64. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Increasing
    Clouds


  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers


  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 64. West northwest wind 5 to 7 mph becoming southwest after midnight.

    Low: 64 °F

    Mostly Clear



  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Southeast wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely


  • Friday

    Friday: Mostly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph becoming east in the morning.

    High: 90 °F

    Hot



  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East wind 8 to 11 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Independence
    Day

    Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. East wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms




    • Today: Sunny, with a high near 86. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    Tonight: Increasing clouds, with a low around 64. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    Wednesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 30%.

    Wednesday Night: Mostly clear, with a low around 64. West northwest wind 5 to 7 mph becoming southwest after midnight.

    Thursday: A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Southeast wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Friday: Mostly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph becoming east in the morning.

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East wind 8 to 11 mph. Chance of precipitation is 60%.

    Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. East wind 8 to 10 mph. Chance of precipitation is 30%.

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

    Sunday: A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    Sunday Night: Mostly clear, with a low around 64.

    Monday: Sunny, with a high near 89.


    Sisseton SD
     45.66°N 97.04°W (Elev. 1201 ft)

    Visit your local NWS office at: https://www.weather.gov/abr