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

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

37°F

3°C

Humidity 44%
Wind Speed SE 14 mph
Barometer 30.22 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 1 Mar 5:35 pm CST
Extended Forecast for

Fort Thompson SD

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Southeast wind 10 to 14 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 2pm.  Mostly cloudy, with a high near 49. South southeast wind 10 to 15 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Southeast wind 5 to 11 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. East northeast wind around 6 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. East wind around 6 mph becoming south southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. South southeast wind 6 to 13 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. South southeast wind 8 to 11 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. South southeast wind 8 to 14 mph becoming southwest in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight.  Mostly cloudy, with a low around 25. West wind around 13 mph becoming north northwest in the evening.  Chance of precipitation is 30%.

    Low: 25 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Southeast wind 10 to 14 mph.
Monday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 49. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 27. Southeast wind 5 to 11 mph.
Tuesday
Partly sunny, with a high near 53. East northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 27. East wind around 6 mph becoming south southeast after midnight.
Wednesday
Sunny, with a high near 61. South southeast wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 33. South southeast wind 8 to 11 mph.
Thursday
Mostly sunny, with a high near 66. South southeast wind 8 to 14 mph becoming southwest in the afternoon.
Thursday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 25. West wind around 13 mph becoming north northwest in the evening. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
5:36 pm CST Mar 1, 2026
5pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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