National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

25°F

-4°C

Humidity 92%
Wind Speed N 17 mph
Barometer 30.35 in (1030.7 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 4 Feb 2:56 am CST
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: A slight chance of snow before 5am, then a chance of flurries after 5am. Cloudy, with a steady temperature around 24. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27. North wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 27 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a temperature rising to around 32 by 5am. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 25 °F⇑

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. West wind 15 to 18 mph becoming north northwest after midnight. Winds could gust as high as 30 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. North wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15. North northeast wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37. South wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Southwest wind 8 to 11 mph becoming northwest after midnight.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow before 5am, then a chance of flurries after 5am. Cloudy, with a steady temperature around 24. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 27. North wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly cloudy, with a temperature rising to around 32 by 5am. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 25. West wind 15 to 18 mph becoming north northwest after midnight. Winds could gust as high as 30 mph.
Friday
Partly sunny, with a high near 34. North wind 8 to 17 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 15. North northeast wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 37. South wind 13 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 22. Southwest wind 8 to 11 mph becoming northwest after midnight.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
Last Update:
3:16 am CST Feb 4, 2026
Forecast Valid:
3am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation