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.

24°F

-4°C

Humidity 91%
Wind Speed N 13 mph
Barometer 29.96 in (1016.5 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 9 Mar 10:56 pm CDT
Extended Forecast for

Grenville SD

  • Tonight

    Tonight: Snow likely, mainly before 2am. Mostly cloudy, with a low around 21. Northeast wind 13 to 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Low: 21 °F

    Snow Likely

  • Tuesday

    Tuesday: A slight chance of snow after 5pm. Mostly cloudy, with a high near 36. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 10%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before 1am. Cloudy, with a low around 23. North wind 7 to 10 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Northwest wind 8 to 14 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West northwest wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 45. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 34. North northwest wind 9 to 13 mph. Chance of precipitation is 20%.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 23. East southeast wind around 10 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely, mainly before 2am. Mostly cloudy, with a low around 21. Northeast wind 13 to 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Tuesday
A slight chance of snow after 5pm. Mostly cloudy, with a high near 36. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 10%.
Tuesday Night
A chance of snow, mainly before 1am. Cloudy, with a low around 23. North wind 7 to 10 mph. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 37. Northwest wind 8 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 25. West northwest wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 45. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Friday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 34. North northwest wind 9 to 13 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow. Cloudy, with a low around 23. East southeast wind around 10 mph. Chance of precipitation is 50%.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 33. Chance of precipitation is 60%.
Saturday Night
Snow likely. Cloudy, with a low around 11. Chance of precipitation is 70%.
Sunday
A chance of snow. Mostly cloudy, with a high near 20. Blustery. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 24.
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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:
10:36 pm CDT Mar 9, 2026
Forecast Valid:
11pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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