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Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

16°F

-9°C

Humidity 92%
Wind Speed E 7 mph
Barometer 30.01 in (1019.1 mb)
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill6°F (-14°C)
Last update 8 Feb 5:56 am CST
Extended Forecast for

Grenville SD

  • Today

    Today: Partly sunny, with a high near 40. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South southwest wind 7 to 11 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 42. Southeast wind 6 to 13 mph becoming northwest in the afternoon.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. West northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West northwest wind around 7 mph becoming south southeast after midnight.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 42. South wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 28. Southeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow, mainly before noon. Partly sunny, with a high near 41. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 41 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 40. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
Mostly cloudy, with a low around 32. South southwest wind 7 to 11 mph.
Monday
Mostly cloudy, with a high near 42. Southeast wind 6 to 13 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 26. West northwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 38. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 25. West northwest wind around 7 mph becoming south southeast after midnight.
Wednesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 42. South wind 7 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 28. Southeast wind around 10 mph. Chance of precipitation is 40%.
Thursday
A chance of snow, mainly before noon. Partly sunny, with a high near 41. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
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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:
5:36 am CST Feb 8, 2026
Forecast Valid:
6am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation