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.

44°F

7°C

Humidity 73%
Wind Speed Calm
Barometer 30.28 in (1025.3 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 4 Oct 11:56 pm CDT
Extended Forecast for

Sisseton SD

  • Overnight

    Overnight: Mostly clear, with a low around 42. West wind around 5 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. South southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 73 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South wind 11 to 14 mph becoming west southwest after midnight. Winds could gust as high as 33 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. West northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. West northwest wind 6 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. West northwest wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. Northwest wind 5 to 9 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Light and variable wind becoming north northeast around 5 mph in the evening.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 42. West wind around 5 mph becoming calm.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. South southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Monday Night
Mostly clear, with a low around 57. South wind 11 to 14 mph becoming west southwest after midnight. Winds could gust as high as 33 mph.
Tuesday
Sunny, with a high near 78. West northwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 51. West northwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 71. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 48. West northwest wind around 6 mph.
Thursday
Partly sunny, with a high near 69. Northwest wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 47. Light and variable wind becoming north northeast around 5 mph in the evening.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 56. Breezy.
Saturday
Mostly sunny, with a high near 78. Breezy.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
A chance of showers. Mostly sunny, with a high near 68. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sisseton SD
 45.66°N 97.04°W (Elev. 1201 ft)
Last Update:
11:51 pm CDT Oct 4, 2026
Forecast Valid:
12am CDT Oct 5, 2026-6pm CDT Oct 11, 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