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.

82°F

28°C

Humidity 67%
Wind Speed Calm
Barometer 29.95 in (1012.4 mb)
Dewpoint 70°F (21°C)
Visibility NA
Heat Index86°F (30°C)
Last update 18 Aug 3:56 pm CDT
Extended Forecast for

3 Miles ESE Gwinner ND

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Light and variable wind becoming north northeast around 6 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Northeast wind around 6 mph becoming south southeast after midnight.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South southeast wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Southeast wind 11 to 13 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. South wind 11 to 14 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. North northwest wind around 10 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 75. Northwest wind 10 to 14 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West northwest wind 8 to 10 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 65. Light and variable wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Light and variable wind becoming north northeast around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 63. Northeast wind around 6 mph becoming south southeast after midnight.
Wednesday
Sunny, with a high near 85. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 67. Southeast wind 11 to 13 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. South wind 11 to 14 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. North northwest wind around 10 mph. Chance of precipitation is 50%.
Friday
Sunny, with a high near 75. Northwest wind 10 to 14 mph.
Friday Night
Mostly clear, with a low around 52. West northwest wind 8 to 10 mph.
Saturday
Sunny, with a high near 69. Northwest wind 9 to 15 mph.
Saturday Night
Mostly clear, with a low around 47. North northwest wind 6 to 10 mph.
Sunday
Sunny, with a high near 66. North northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 46. North wind 5 to 8 mph.
Monday
Sunny, with a high near 69. North northwest wind 5 to 8 mph becoming east in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Gwinner ND
 46.2°N 97.6°W
Last Update:
3:46 pm CDT Aug 18, 2025
Forecast Valid:
4pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
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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