National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

57°F

14°C

Humidity 42%
Wind Speed S 15 G 26 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 17 Oct 8:56 pm CDT
Extended Forecast for

6 Miles SW Sisseton SD

  • Tonight

    Tonight: Mostly clear, with a low around 48. Windy, with a southwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 40 mph.

    Low: 48 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 64. Southwest wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. North wind 5 to 7 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. North northeast wind 6 to 10 mph becoming east southeast in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South southeast wind around 8 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. South southwest wind around 8 mph becoming north northwest in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Windy, with a southwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 40 mph.
Sunday
Sunny, with a high near 64. Southwest wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly clear, with a low around 42. North wind 5 to 7 mph.
Monday
Sunny, with a high near 56. North northeast wind 6 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 44. South southeast wind around 8 mph.
Tuesday
Sunny, with a high near 63. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 64. South southwest wind around 8 mph becoming north northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. North wind 3 to 6 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Friday
A chance of showers. Partly sunny, with a high near 70. Breezy. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Breezy. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Sisseton SD
 45.61°N 97.16°W (Elev. 1946 ft)
Last Update:
8:21 pm CDT Oct 17, 2026
Forecast Valid:
9pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation