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.

65°F

18°C

Humidity 61%
Wind Speed NW 16 G 26 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 24 Jun 9:56 am CDT
Extended Forecast for

6 Miles NE Grenville SD

  • Today

    Today: Mostly sunny, with a high near 70. Northwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. Northwest wind 6 to 8 mph becoming east northeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. East wind around 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 74. Southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 60. East southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. Breezy, with a southeast wind 16 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 81 °F

    Breezy.
    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Breezy, with a southeast wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 70. Northwest wind 14 to 16 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 52. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday
Partly sunny, with a high near 73. Northwest wind 6 to 8 mph becoming east northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 55. East wind around 7 mph.
Friday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 74. Southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 60. East southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. Breezy, with a southeast wind 16 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Breezy, with a southeast wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 66. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Grenville SD
 45.53°N 97.28°W (Elev. 1877 ft)
Last Update:
10:36 am CDT Jun 24, 2026
Forecast Valid:
10am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation