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.

57°F

14°C

Humidity 58%
Wind Speed S 8 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 3 Oct 8:56 am CDT
Extended Forecast for

6 Miles ESE Grenville SD

  • Today

    Today: Scattered showers, mainly before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 67. South southwest wind 13 to 16 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 50%.

    High: 67 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northwest wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West northwest wind 5 to 9 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. South southeast wind 7 to 17 mph, with gusts as high as 29 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind 13 to 16 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North northwest wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Northwest wind 6 to 9 mph.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Scattered showers, mainly before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 67. South southwest wind 13 to 16 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 50%.
Tonight
Mostly clear, with a low around 46. Northwest wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 64. West northwest wind 5 to 9 mph.
Sunday Night
Clear, with a low around 45. Light and variable wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 67. South southeast wind 7 to 17 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 55. South wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 74. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 53. North northwest wind around 6 mph.
Wednesday
Sunny, with a high near 69. Northwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 70.
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
 45.44°N 97.28°W (Elev. 1844 ft)
Last Update:
9:11 am CDT Oct 3, 2026
Forecast Valid:
9am CDT Oct 3, 2026-6pm CDT Oct 9, 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