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.

Unknown Precip

32°F

0°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 29.93 in
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Wind Chill25°F (-4°C)
Last update 3 Apr 3:15 am CDT
Extended Forecast for

Fort Thompson SD

Winter Weather Advisory until April 4, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 4, 01:00pm

    NOW until 1:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 30 °F

    Freezing Rain

  • Friday

    Friday: Snow, freezing rain, and sleet, becoming all snow after 2pm. High near 35. East northeast wind 9 to 11 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than one inch possible.

    High: 35 °F

    Wintry Mix
    then Snow

  • Friday Night

    Friday Night: Snow. Patchy blowing snow after 4am. Low around 27. West northwest wind 10 to 17 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: A chance of snow before 1pm. Patchy blowing snow before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. Breezy, with a northwest wind 18 to 23 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. West wind 6 to 13 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. West northwest wind 7 to 17 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. North northwest wind 6 to 14 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. North northeast wind 6 to 13 mph.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Overnight
Freezing rain. Low around 30. East wind around 10 mph. Chance of precipitation is 90%. Total nighttime ice accumulation of around a 0.1 of an inch possible.
Friday
Snow, freezing rain, and sleet, becoming all snow after 2pm. High near 35. East northeast wind 9 to 11 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than one inch possible.
Friday Night
Snow. Patchy blowing snow after 4am. Low around 27. West northwest wind 10 to 17 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 1pm. Patchy blowing snow before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. Breezy, with a northwest wind 18 to 23 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 25. West wind 6 to 13 mph.
Sunday
Sunny, with a high near 50. West northwest wind 7 to 17 mph.
Sunday Night
Partly cloudy, with a low around 24. North northwest wind 6 to 14 mph.
Monday
Partly sunny, with a high near 40. North northeast wind 6 to 13 mph.
Monday Night
Mostly cloudy, with a low around 20. Northeast wind 10 to 13 mph becoming east southeast after midnight.
Tuesday
Partly sunny, with a high near 51. Breezy.
Tuesday Night
Partly cloudy, with a low around 35. Breezy.
Wednesday
Mostly sunny, with a high near 63. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 40%.
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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:
3:36 am CDT Apr 3, 2026
Forecast Valid:
4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation