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.

Light Snow

27°F

-3°C

Humidity 100%
Wind Speed N 14 mph
Barometer 30.02 in
Dewpoint 27°F (-3°C)
Visibility 1.50 mi
Wind Chill16°F (-9°C)
Last update 6 Mar 8:15 pm CST
Extended Forecast for

Fort Thompson SD

  • Tonight

    Tonight: Snow likely, mainly before midnight. Cloudy during the early evening, then gradual clearing, with a low around 22. Northwest wind 8 to 14 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 54. West southwest wind 7 to 15 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. West southwest wind 9 to 11 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69. West southwest wind 9 to 18 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. West southwest wind 8 to 10 mph becoming north northwest after midnight.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. North wind 8 to 13 mph becoming east northeast in the afternoon.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 28. East northeast wind 13 to 15 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of snow before noon. Mostly cloudy, with a high near 47. East northeast wind around 11 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 25. North wind 6 to 11 mph becoming west northwest after midnight. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain then
    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow likely, mainly before midnight. Cloudy during the early evening, then gradual clearing, with a low around 22. Northwest wind 8 to 14 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Sunny, with a high near 54. West southwest wind 7 to 15 mph.
Saturday Night
Partly cloudy, with a low around 33. West southwest wind 9 to 11 mph.
Sunday
Sunny, with a high near 69. West southwest wind 9 to 18 mph.
Sunday Night
Mostly clear, with a low around 34. West southwest wind 8 to 10 mph becoming north northwest after midnight.
Monday
Sunny, with a high near 55. North wind 8 to 13 mph becoming east northeast in the afternoon.
Monday Night
A chance of rain. Mostly cloudy, with a low around 28. East northeast wind 13 to 15 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of snow before noon. Mostly cloudy, with a high near 47. East northeast wind around 11 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 25. North wind 6 to 11 mph becoming west northwest after midnight. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Cloudy, with a high near 51. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
Last Update:
7:36 pm CST Mar 6, 2026
Forecast Valid:
8pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation