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.

35°F

2°C

Humidity 78%
Wind Speed NW 17 mph
Barometer 29.87 in (1013.4 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 5 Feb 4:56 am CST
Extended Forecast for

Grenville SD

  • Today

    Today: Partly sunny, with a high near 41. Northwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Blustery, with a west wind 15 to 23 mph, with gusts as high as 37 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery

  • Friday

    Friday: Partly sunny, with a temperature falling to around 20 by 5pm. Breezy, with a north wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 33 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly 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

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. South southeast wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. South wind 8 to 10 mph becoming northwest after midnight.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. West northwest wind 8 to 10 mph becoming southwest in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. West southwest wind around 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 46. West southwest wind around 10 mph becoming north northeast in the afternoon.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 41. Northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 22. Blustery, with a west wind 15 to 23 mph, with gusts as high as 37 mph.
Friday
Partly sunny, with a temperature falling to around 20 by 5pm. Breezy, with a north wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Partly 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 11 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 21. South wind 8 to 10 mph becoming northwest after midnight.
Sunday
Mostly sunny, with a high near 41. West northwest wind 8 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 32. West southwest wind around 10 mph.
Monday
Mostly cloudy, with a high near 46. West southwest wind around 10 mph becoming north northeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
A chance of snow. Mostly cloudy, with a high near 30. 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)
4:36 am CST Feb 5, 2026
5am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database