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

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Partly Cloudy and Windy

16°F

-9°C

Humidity 65%
Wind Speed N 30 mph
Barometer 30.38 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 15 Mar 4:55 pm CDT
Extended Forecast for

Fort Thompson SD

  • Tonight

    Tonight: Patchy blowing snow before 10pm. Partly cloudy, with a low around -2. Blustery, with a north northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph.

    Low: -2 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 22. Northwest wind around 9 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 5. Northeast wind 5 to 9 mph becoming southeast after midnight.

    Low: 5 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of snow and freezing rain before 1pm, then a chance of rain or freezing rain between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 44. Southeast wind 11 to 14 mph. Chance of precipitation is 50%.

    High: 44 °F

    Chance Wintry
    Mix

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. West wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. West wind 9 to 13 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. West northwest wind 7 to 9 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. West wind 6 to 11 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Southwest wind around 8 mph.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy blowing snow before 10pm. Partly cloudy, with a low around -2. Blustery, with a north northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph.
Monday
Sunny, with a high near 22. Northwest wind around 9 mph.
Monday Night
Increasing clouds, with a low around 5. Northeast wind 5 to 9 mph becoming southeast after midnight.
Tuesday
A chance of snow and freezing rain before 1pm, then a chance of rain or freezing rain between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 44. Southeast wind 11 to 14 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 31. West wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 64. West wind 9 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 36. West northwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 70. West wind 6 to 11 mph.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind around 8 mph.
Friday
Partly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
Last Update:
4:36 pm CDT Mar 15, 2026
Forecast Valid:
5pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation