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

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

32°F

0°C

Humidity 75%
Wind Speed Calm
Barometer 29.90 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 7 Mar 9:56 am CST
Extended Forecast for

6 Miles ESE Grenville SD

  • Today

    Today: Areas of fog before 11am. Otherwise, mostly cloudy early, then clearing, with a high near 46. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 46 °F

    Areas Fog
    then
    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: A slight chance of rain between 8pm and 9pm. Mostly cloudy, with a low around 37. Breezy, with a west wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 36 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

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

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. North wind 10 to 14 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 26. Northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow, mainly after noon. Mostly cloudy, with a high near 37. Northeast wind around 14 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before noon. Partly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, mostly cloudy early, then clearing, with a high near 46. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
A slight chance of rain between 8pm and 9pm. Mostly cloudy, with a low around 37. Breezy, with a west wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 61. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 34. West southwest wind 10 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph.
Monday
Mostly sunny, with a high near 45. North wind 10 to 14 mph.
Monday Night
A chance of snow after midnight. Mostly cloudy, with a low around 26. Northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 37. Northeast wind around 14 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of snow before noon. Partly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
A slight chance of snow. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Grenville SD
 45.42°N 97.28°W (Elev. 1844 ft)
Last Update:
10:26 am CST Mar 7, 2026
Forecast Valid:
10am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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