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.

32°F

0°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 30.14 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 3 Apr 9:35 pm CDT
Extended Forecast for

Fort Thompson SD

  • Tonight

    Tonight: Snow. Low around 27. West northwest wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely
    then Snow

  • Saturday

    Saturday: Snow likely, mainly before 7am. Patchy blowing snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West wind 6 to 14 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. North wind 6 to 13 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 39. Northeast wind 6 to 14 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. East southeast wind 11 to 14 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. Breezy, with a south southeast wind 16 to 26 mph.

    High: 51 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Snow. Low around 27. West northwest wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 7am. Patchy blowing snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 26. West wind 6 to 14 mph.
Sunday
Sunny, with a high near 51. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 25. North wind 6 to 13 mph.
Monday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 39. Northeast wind 6 to 14 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 21. East southeast wind 11 to 14 mph.
Tuesday
Mostly cloudy, with a high near 51. Breezy, with a south southeast wind 16 to 26 mph.
Tuesday Night
Partly cloudy, with a low around 36. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 63. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Blustery. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
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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:
9:36 pm CDT Apr 3, 2026
Forecast Valid:
9pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation