Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

0°F

-18°C

Humidity 79%
Wind Speed N 12 mph
Barometer 30.19 in (1026.7 mb)
Dewpoint -5°F (-21°C)
Visibility NA
Wind Chill-17°F (-27°C)
Last update 31 Dec 8:56 pm CST
Extended Forecast for

Grenville SD

  • Tonight

    Tonight: Mostly cloudy, with a low around -1. North wind 5 to 8 mph becoming light and variable.

    Low: -1 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 17. South wind around 6 mph becoming west northwest in the afternoon.

    High: 17 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a steady temperature around 14. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 19. East wind around 6 mph.

    High: 19 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of flurries after midnight.  Mostly cloudy, with a low around 15. East southeast wind around 7 mph becoming southwest after midnight.

    Low: 15 °F

    Chance
    Flurries

  • Saturday

    Saturday: Partly sunny, with a high near 21. West southwest wind around 8 mph becoming north in the afternoon.

    High: 21 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10. North northeast wind 7 to 11 mph becoming southeast after midnight.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. West southwest wind around 9 mph.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around -1. North wind 5 to 8 mph becoming light and variable.
New Year's Day
Partly sunny, with a high near 17. South wind around 6 mph becoming west northwest in the afternoon.
Thursday Night
Mostly cloudy, with a steady temperature around 14. Northwest wind around 5 mph becoming northeast after midnight.
Friday
Mostly cloudy, with a high near 19. East wind around 6 mph.
Friday Night
A chance of flurries after midnight. Mostly cloudy, with a low around 15. East southeast wind around 7 mph becoming southwest after midnight.
Saturday
Partly sunny, with a high near 21. West southwest wind around 8 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 10. North northeast wind 7 to 11 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 27. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 18. West southwest wind around 9 mph.
Monday
Mostly sunny, with a high near 31.
Monday Night
A chance of flurries. Mostly cloudy, with a low around 19.
Tuesday
A chance of flurries. Partly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 28.
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)
8:37 pm CST Dec 31, 2025
9pm CST Dec 31, 2025-6pm CST Jan 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