Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Breezy

30°F

-1°C

Humidity 85%
Wind Speed W 21 G 32 mph
Barometer 29.86 in (1013.6 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill17°F (-8°C)
Last update 1 Feb 2:56 am CST
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: A chance of snow.  Cloudy, with a low around 17. West southwest wind around 6 mph.  Chance of precipitation is 40%.

    Low: 17 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow, mainly before 8am.  Mostly cloudy, with a temperature falling to around 25 by 5pm. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. North wind 6 to 11 mph.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow after noon.  Mostly cloudy, with a high near 17. Northeast wind around 7 mph.  Chance of precipitation is 30%.

    High: 17 °F

    Partly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow before midnight.  Mostly cloudy, with a low around 5. East northeast wind 5 to 7 mph.  Chance of precipitation is 30%.

    Low: 5 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 22. East wind around 6 mph becoming west southwest in the afternoon.

    High: 22 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 12. West southwest wind 6 to 10 mph becoming northwest after midnight.

    Low: 12 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27. Northwest wind around 10 mph becoming west southwest in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a low around 17. West southwest wind around 6 mph. Chance of precipitation is 40%.
Sunday
A chance of snow, mainly before 8am. Mostly cloudy, with a temperature falling to around 25 by 5pm. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 7. North wind 6 to 11 mph.
Monday
A chance of snow after noon. Mostly cloudy, with a high near 17. Northeast wind around 7 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 5. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 22. East wind around 6 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 12. West southwest wind 6 to 10 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a high near 27. Northwest wind around 10 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 21. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Thursday
A slight chance of rain and snow before noon. Mostly sunny, with a high near 39. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
3:36 am CST Feb 1, 2026
3am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
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