National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

57°F

14°C

Humidity 87%
Wind Speed NW 7 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 25 Jun 3:56 am CDT
Extended Forecast for

Sisseton SD

  • Today

    Today: Mostly sunny, with a high near 76. West northwest wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. East wind 6 to 8 mph becoming south after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 8am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Southeast wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 1pm. Partly sunny, with a high near 85. Breezy, with a southeast wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 85 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 94. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 94 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. South wind 6 to 14 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Clear then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm. Sunny and hot, with a high near 93. South southeast wind 9 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 76. West northwest wind 5 to 7 mph becoming east northeast in the afternoon.
Tonight
Partly cloudy, with a low around 57. East wind 6 to 8 mph becoming south after midnight.
Friday
A slight chance of showers between 8am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 63. Southeast wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday
A slight chance of showers after 1pm. Partly sunny, with a high near 85. Breezy, with a southeast wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 94. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. South wind 6 to 14 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 1pm. Sunny and hot, with a high near 93. South southeast wind 9 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 65.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sisseton SD
 45.66°N 97.04°W (Elev. 1201 ft)
Last Update:
3:36 am CDT Jun 25, 2026
Forecast Valid:
4am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation