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Hazardous Weather Conditions
Current conditions at
Sisseton, Sisseton Municipal Airport (K8D3)
Lat: 45.67°NLon: 96.99°WElev: 1161ft.26°F
-3°C
| Humidity | 78% |
| Wind Speed | NW 10 mph |
| Barometer | 30.18 in (1024.7 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | NA |
| Wind Chill | 16°F (-9°C) |
| Last update | 11 Mar 9:56 am CDT |
Extended Forecast for
Grenville SD
Today
High: 37 °F
Mostly Sunny
then Chance
SnowTonight

Low: 22 °F
Increasing
CloudsThursday
High: 45 °F
Slight Chance
Snow then
Rain/Snow
Likely and
BreezyThursday Night

Low: 21 °F
Slight Chance
Rain/Snow and
WindyFriday

High: 32 °F
Mostly Cloudy
Friday Night

Low: 22 °F
Chance Snow
Saturday

High: 32 °F
Snow Likely
Saturday Night

Low: 14 °F
Snow Likely
and BlusterySunday

High: 23 °F
Chance Snow
and Blustery
Detailed Forecast
Today
A chance of snow between 2pm and 4pm. Mostly sunny, with a high near 37. West wind 6 to 10 mph. Chance of precipitation is 30%.
Tonight
Increasing clouds, with a low around 22. Northwest wind 6 to 10 mph becoming south after midnight.
Thursday
A slight chance of snow before 1pm, then rain likely. Mostly cloudy, with a high near 45. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 21. Windy, with a west southwest wind 28 to 34 mph becoming northwest after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 32. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Friday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 22. Northeast wind 7 to 9 mph becoming southeast in the evening. Chance of precipitation is 40%.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 32. East wind 10 to 16 mph. Chance of precipitation is 60%.
Saturday Night
Snow likely. Cloudy, with a low around 14. Blustery, with an east wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 23. Blustery, with a north northeast wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 5. Blustery.
Monday
Mostly sunny, with a high near 21.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 20%.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grenville SD
45.46°N 97.4°W (Elev. 1821 ft)
45.46°N 97.4°W (Elev. 1821 ft)
9:26 am CDT Mar 11, 2026
10am CDT Mar 11, 2026-6pm CDT Mar 17, 2026



