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.

Breezy

24°F

-4°C

Humidity 88%
Wind Speed N 21 G 33 mph
Barometer 29.93 in (1016.2 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill9°F (-13°C)
Last update 6 Mar 9:56 pm CST
Extended Forecast for

Grenville SD

Winter Weather Advisory March 6, 10:55pm until March 7, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 6, 10:55pm until March 7, 04:00am

    NOW until 4:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 47. Breezy, with a west northwest wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.

    High: 47 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Breezy, with a west southwest wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 61 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. West southwest wind 10 to 18 mph becoming north northwest after midnight. Winds could gust as high as 28 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. North wind 10 to 13 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after midnight. Cloudy, with a low around 25. East northeast wind 10 to 13 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Chance Snow
    then Snow
    Likely

  • Tuesday

    Tuesday: A chance of snow, mainly before noon. Mostly cloudy, with a high near 36. East northeast wind 10 to 13 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 22. North northwest wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 47. Breezy, with a west northwest wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 37. Breezy, with a west southwest wind 14 to 21 mph, with gusts as high as 32 mph.
Sunday
Mostly sunny, with a high near 61. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 34. West southwest wind 10 to 18 mph becoming north northwest after midnight. Winds could gust as high as 28 mph.
Monday
Mostly sunny, with a high near 44. North wind 10 to 13 mph.
Monday Night
Snow likely, mainly after midnight. Cloudy, with a low around 25. East northeast wind 10 to 13 mph. Chance of precipitation is 60%.
Tuesday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 36. East northeast wind 10 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 22. North northeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 20%.
Wednesday
A slight chance of snow before noon. Mostly sunny, with a high near 39. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
A slight chance of rain and snow. Cloudy, with a low around 30. Chance of precipitation is 20%.
Friday
A slight chance of snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
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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 CST Mar 6, 2026
Forecast Valid:
10pm CST Mar 6, 2026-6pm CDT Mar 13, 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