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.

76°F

24°C

Humidity 50%
Wind Speed N 7 mph
Barometer 30.13 in (1019.4 mb)
Dewpoint 56°F (13°C)
Visibility NA
Heat Index78°F (26°C)
Last update 22 Aug 5:56 pm CDT
Extended Forecast for

4 Miles WNW Waubay SD

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. South southeast wind 6 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 62. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. South southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 64. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 7 to 17 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. West northwest wind 7 to 14 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 77. Northwest wind 8 to 15 mph. Chance of precipitation is 20%.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. North northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 77. South southeast wind 6 to 10 mph.
Sunday Night
A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 62. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. South southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 64. Southwest wind around 8 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 81. West wind 7 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 62. West northwest wind 7 to 14 mph.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 77. Northwest wind 8 to 15 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 60. North northwest wind 5 to 10 mph becoming light north after midnight.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 62.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Waubay SD
 45.35°N 97.37°W (Elev. 1785 ft)
Last Update:
5:06 pm CDT Aug 22, 2026
Forecast Valid:
5pm CDT Aug 22, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation