Rain and Thunderstorms in the Southeast; A Wintry Mix in the Southern Mid-Atlantic

A frontal system is expected to bring showers and thunderstorms along the Gulf Coast and Southeast, and some snow and/or freezing rain/drizzle over the southern Mid-Atlantic into the morning. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next couple of days. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

27°F

-3°C

Humidity 89%
Wind Speed SW 12 mph
Barometer 30.17 in (1024.5 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 4 Feb 7:56 pm CST
Extended Forecast for

Grenville SD

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 32 by 3am. Breezy, with a south southwest wind 8 to 13 mph becoming southwest 15 to 20 mph after midnight. Winds could gust as high as 31 mph.

    Low: 26 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Blustery, with a west wind 14 to 21 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Blustery

  • Friday

    Friday: Partly sunny, with a high near 33. Breezy, with a north wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. North northeast wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. West southwest wind around 11 mph.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 32 by 3am. Breezy, with a south southwest wind 8 to 13 mph becoming southwest 15 to 20 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Mostly sunny, with a high near 39. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 22. Blustery, with a west wind 14 to 21 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 33. Breezy, with a north wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 11. North northeast wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Saturday
Partly sunny, with a high near 36. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 23. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 42. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 31. West southwest wind around 11 mph.
Monday
Mostly cloudy, with a high near 45.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
7:36 pm CST Feb 4, 2026
8pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database