Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

29°F

-2°C

Humidity 92%
Wind Speed NE 15 mph
Barometer 29.83 in (1012.1 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 2 Apr 8:56 am CDT
Extended Forecast for

Grenville SD

Winter Storm Watch April 3, 07:00am until April 4, 07:00pm
Winter Weather Advisory April 2, 09:15am until April 2, 07:00pm
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
  •  
    Winter Weather Advisory April 2, 09:15am until April 2, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Today

    High: 31 °F

    Snow Likely

  • Tonight

    Tonight: A chance of freezing rain after 5am.  Cloudy, with a low around 25. Northeast wind 8 to 11 mph.  Chance of precipitation is 30%.

    Low: 25 °F

    Cloudy then
    Chance
    Freezing Rain

  • Friday

    Friday: Snow, possibly mixed with freezing rain and sleet before 4pm, then snow, possibly mixed with sleet.  High near 30. East wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of around an inch possible.

    High: 30 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times.  Low around 27. Northeast wind 10 to 14 mph becoming north northwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Heavy Snow

  • Saturday

    Saturday: Snow likely, mainly before 1pm.  Patchy blowing snow. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before 10pm. Partly cloudy, with a low around 19. West northwest wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow likely, mainly before 10am. Cloudy, with a high near 31. East northeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of freezing rain after 5am. Cloudy, with a low around 25. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Friday
Snow, possibly mixed with freezing rain and sleet before 4pm, then snow, possibly mixed with sleet. High near 30. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of around an inch possible.
Friday Night
Snow. The snow could be heavy at times. Low around 27. Northeast wind 10 to 14 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow likely, mainly before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Patchy blowing snow before 10pm. Partly cloudy, with a low around 19. West northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 22. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Mostly cloudy, with a high near 31. North wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 40. Breezy.
Tuesday Night
Partly cloudy, with a low around 32. Breezy.
Wednesday
A slight chance of rain. Partly sunny, with a high near 45. Breezy. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
8:32 am CDT Apr 2, 2026
9am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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Additional Resources

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