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

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

31°F

-1°C

Humidity 67%
Wind Speed SE 13 mph
Barometer 30.23 in (1026.0 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 1 Apr 8:56 am CDT
Extended Forecast for

Grenville SD

Winter Weather Advisory April 1, 09:22am until April 2, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 1, 09:22am until April 2, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Today

    High: 33 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Snow and freezing rain before 1am, then snow likely between 1am and 5am, then snow likely, possibly mixed with sleet after 5am. Patchy blowing snow. Low around 27. Breezy, with an east wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow, possibly mixed with sleet, becoming all snow after 7am. Patchy blowing snow before 11am. High near 31. Northeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow/Sleet
    and Patchy
    Blowing Snow
    then Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am, then a chance of snow and freezing rain. Cloudy, with a low around 24. North northeast wind 9 to 13 mph. Chance of precipitation is 50%.

    Low: 24 °F

    Slight Chance
    Snow then
    Chance Wintry
    Mix

  • Friday

    Friday: Snow, possibly mixed with freezing rain, becoming all snow after 4pm. High near 30. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of around an inch possible.

    High: 30 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow. Low around 24. North northeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Patchy blowing snow after 9am. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

    High: 30 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before 10pm. Partly cloudy, with a low around 16. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph.

    Low: 16 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

Detailed Forecast

Today
A chance of snow, mainly after noon. Mostly cloudy, with a high near 33. Breezy, with an east southeast wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Tonight
Snow and freezing rain before 1am, then snow likely between 1am and 5am, then snow likely, possibly mixed with sleet after 5am. Patchy blowing snow. Low around 27. Breezy, with an east wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.
Thursday
Snow, possibly mixed with sleet, becoming all snow after 7am. Patchy blowing snow before 11am. High near 31. Northeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow and sleet accumulation of 1 to 2 inches possible.
Thursday Night
A slight chance of snow before 1am, then a chance of snow and freezing rain. Cloudy, with a low around 24. North northeast wind 9 to 13 mph. Chance of precipitation is 50%.
Friday
Snow, possibly mixed with freezing rain, becoming all snow after 4pm. High near 30. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of around an inch possible.
Friday Night
Snow. Low around 24. North northeast wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 1pm. Patchy blowing snow after 9am. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Saturday Night
Patchy blowing snow before 10pm. Partly cloudy, with a low around 16. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Mostly sunny, with a high near 35. West northwest wind 9 to 11 mph.
Sunday Night
A slight chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Monday
A slight chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
8:36 am CDT Apr 1, 2026
Forecast Valid:
9am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation