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.

33°F

1°C

Humidity 75%
Wind Speed W 20 G 29 mph
Barometer 29.90 in (1014.9 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 5 Feb 1:56 am CST
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. Northwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Blustery, with a west wind 14 to 22 mph, with gusts as high as 34 mph.

    Low: 22 °F

    Mostly 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 30 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 13 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 33. West southwest wind around 10 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 41. Northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 22. Blustery, with a west wind 14 to 22 mph, with gusts as high as 34 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 30 mph.
Friday Night
Partly cloudy, with a low around 11. North northeast wind 7 to 13 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 33. West southwest wind around 10 mph.
Monday
Mostly cloudy, with a high near 46.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
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 97.37°W (Elev. 1795 ft)
1:51 am CST Feb 5, 2026
2am 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