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.

49°F

9°C

Humidity 66%
Wind Speed NW 8 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 7 Oct 9:56 pm CDT
Extended Forecast for

3 Miles NNW Grenville SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. North northwest wind 3 to 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. South southeast wind 3 to 8 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 9 to 15 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Breezy, with a south wind 17 to 22 mph, with gusts as high as 36 mph.

    High: 79 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South southwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 1pm. Partly sunny, with a high near 64. West southwest wind around 16 mph becoming north in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 43. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. North northwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 49. South southeast wind 3 to 8 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 9 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 62. South wind 9 to 15 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 79. Breezy, with a south wind 17 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 53. South southwest wind around 15 mph, with gusts as high as 28 mph.
Sunday
A slight chance of showers after 1pm. Partly sunny, with a high near 64. West southwest wind around 16 mph becoming north in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 43. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A slight chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 40. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Grenville SD
 45.5°N 97.4°W (Elev. 1821 ft)
Last Update:
10:16 pm CDT Oct 7, 2026
Forecast Valid:
10pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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Chance of Precipitation