Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

29°F

-2°C

Humidity 72%
Wind Speed SW 9 mph
Barometer 30.10 in (1022.4 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 2 Mar 8:56 am CST
Extended Forecast for

Grenville SD

  • Today

    Today: Partly sunny, with a high near 36. South wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind 7 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. South wind around 6 mph becoming west southwest in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. South wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. South southwest wind 10 to 15 mph.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. South wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 55. Southeast wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 55 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight.  Mostly cloudy, with a low around 29. East southeast wind around 14 mph becoming north after midnight.  Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain

  • Friday

    Friday: A chance of rain or freezing rain before noon, then a chance of rain and snow.  Mostly cloudy, with a high near 39. North wind 14 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 39 °F

    Chance Wintry
    Mix

Detailed Forecast

Today
Partly sunny, with a high near 36. South wind 7 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 28. South wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 45. South wind around 6 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 30. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 51. South southwest wind 10 to 15 mph.
Wednesday Night
Mostly clear, with a low around 33. South wind around 10 mph.
Thursday
Mostly cloudy, with a high near 55. Southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 29. East southeast wind around 14 mph becoming north after midnight. Chance of precipitation is 30%.
Friday
A chance of rain or freezing rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 39. North wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
8:37 am CST Mar 2, 2026
9am CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
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Additional Resources

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