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.

77°F

25°C

Humidity 58%
Wind Speed E 7 mph
Barometer 29.81 in (1008.0 mb)
Dewpoint 61°F (16°C)
Visibility NA
Heat Index79°F (26°C)
Last update 17 Jun 4:56 pm CDT
Extended Forecast for

Sisseton SD

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Partly sunny, with a high near 78. East southeast wind around 7 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61. North wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 10%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. North northwest wind 6 to 9 mph.

    High: 78 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Southwest wind 6 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. West southwest wind 11 to 14 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. South southeast wind around 11 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 87. Southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.

    High: 87 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. East southeast wind 9 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 92. South wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 92 °F

    Hot

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Partly sunny, with a high near 78. East southeast wind around 7 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61. North wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 10%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. North northwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 60. Southwest wind 6 to 10 mph.
Juneteenth
Sunny, with a high near 85. West southwest wind 11 to 14 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. South southeast wind around 11 mph. Chance of precipitation is 50%.
Friday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 87. Southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.
Friday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. East southeast wind 9 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny and hot, with a high near 92. South wind 8 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny and hot, with a high near 90. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sisseton SD
 45.66°N 97.04°W (Elev. 1201 ft)
Last Update:
5:48 pm CDT Jun 17, 2025
Forecast Valid:
5pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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