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.

32°F

0°C

Humidity 96%
Wind Speed E 13 mph
Barometer 29.99 in (1017.4 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 1 Apr 11:56 pm CDT
Extended Forecast for

Grenville SD

Winter Storm Watch April 3, 07:00am until April 4, 07:00pm
Winter Weather Advisory April 2, 12:17am until April 2, 07:00pm
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
  •  
    Winter Weather Advisory April 2, 12:17am until April 2, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow, mainly before 5pm. Patchy blowing snow before 10am. High near 31. East northeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: 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

Detailed Forecast

Overnight
Snow. Patchy blowing snow after 1am. Low around 28. East wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
Snow, mainly before 5pm. Patchy blowing snow before 10am. High near 31. East northeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday Night
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.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 39. Breezy.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
A slight chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
11:36 pm CDT Apr 1, 2026
Forecast Valid:
12am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation