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.

74°F

23°C

Humidity 82%
Wind Speed E 7 mph
Barometer 29.76 in (1006.1 mb)
Dewpoint 68°F (20°C)
Visibility NA
Last update 29 Aug 7:56 pm CDT
Extended Forecast for

Forman ND

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 64. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 4pm. Partly sunny, with a high near 82. East southeast wind 8 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Partly cloudy, with a low around 61. East southeast wind 9 to 11 mph becoming west northwest after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 81. West northwest wind 6 to 9 mph.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Southwest wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Light east northeast wind becoming east southeast 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61. East southeast wind around 10 mph.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 64. East wind 6 to 8 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 30 percent chance of showers, mainly before 4pm. Partly sunny, with a high near 82. East southeast wind 8 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Partly cloudy, with a low around 61. East southeast wind 9 to 11 mph becoming west northwest after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, then gradually becoming sunny, with a high near 81. West northwest wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 57. Southwest wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82. Light east northeast wind becoming east southeast 5 to 9 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61. East southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 83. South wind 7 to 11 mph.
Thursday Night
Partly cloudy, with a low around 61. Southeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 84. Southeast wind 6 to 13 mph.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63. East southeast wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 83. East southeast wind 9 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Forman ND
 46.09°N 97.63°W
Last Update:
7:36 pm CDT Aug 29, 2026
Forecast Valid:
8pm CDT Aug 29, 2026-6pm CDT Sep 5, 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