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 Rain

37°F

3°C

Humidity 100%
Wind Speed E 13 G 18 mph
Barometer 29.91 in
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill29°F (-2°C)
Last update 1 Apr 5:35 pm CDT
Extended Forecast for

Fort Thompson SD

  • This Afternoon

    This Afternoon: Rain likely. Cloudy, with a steady temperature around 39. East southeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 39 °F

    Rain Likely

  • Tonight

    Tonight: Rain, possibly mixed with snow before 1am, then rain between 1am and 5am, then rain and snow after 5am. Low around 32. East wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow before noon, then a chance of rain between noon and 3pm. High near 41. Northeast wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and 1am, then freezing rain after 1am. Low around 27. East northeast wind around 10 mph. Chance of precipitation is 80%. New ice accumulation of around a 0.1 of an inch possible. Little or no snow accumulation expected.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Freezing
    Rain

  • Friday

    Friday: Snow and freezing rain, possibly mixed with rain before 1pm, then snow between 1pm and 4pm, then snow, possibly mixed with rain after 4pm. High near 36. Northeast wind 10 to 13 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of around an inch possible.

    High: 36 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain, becoming all snow after 7pm. Cloudy, with a low around 26. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A slight chance of snow before 1pm. Partly sunny, with a high near 40. Breezy, with a northwest wind 20 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. West wind 6 to 15 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. West wind 5 to 10 mph.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a steady temperature around 39. East southeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tonight
Rain, possibly mixed with snow before 1am, then rain between 1am and 5am, then rain and snow after 5am. Low around 32. East wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow before noon, then a chance of rain between noon and 3pm. High near 41. Northeast wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and 1am, then freezing rain after 1am. Low around 27. East northeast wind around 10 mph. Chance of precipitation is 80%. New ice accumulation of around a 0.1 of an inch possible. Little or no snow accumulation expected.
Friday
Snow and freezing rain, possibly mixed with rain before 1pm, then snow between 1pm and 4pm, then snow, possibly mixed with rain after 4pm. High near 36. Northeast wind 10 to 13 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of around an inch possible.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 7pm. Cloudy, with a low around 26. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
A slight chance of snow before 1pm. Partly sunny, with a high near 40. Breezy, with a northwest wind 20 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 23. West wind 6 to 15 mph.
Sunday
Sunny, with a high near 52. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 44.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A slight chance of snow. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 63. Breezy. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Thompson SD
 44.05°N 99.4°W (Elev. 1447 ft)
Last Update:
5:36 pm CDT Apr 1, 2026
Forecast Valid:
5pm CDT Apr 1, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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