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.

Overcast

32°F

0°C

Humidity 100%
Wind Speed NE 8 mph
Barometer 29.76 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Apr 9:35 am CDT
Extended Forecast for

Fort Thompson SD

  • Today

    Today: A chance of rain and snow before 11am, then a slight chance of snow between 11am and noon. Cloudy, with a high near 41. Northeast wind around 10 mph. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Rain/Snow
    then Cloudy

  • Tonight

    Tonight: A chance of rain before 2am, then rain or freezing rain likely between 2am and 3am, then freezing rain after 3am. Low around 28. East wind around 11 mph. Chance of precipitation is 80%. New ice accumulation of around a 0.1 of an inch possible.

    Low: 28 °F

    Mostly Cloudy
    then
    Rain/Freezing
    Rain

  • Friday

    Friday: Snow, freezing rain, and sleet before 11am, then snow, possibly mixed with rain. High near 36. East wind 10 to 13 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 a half inch possible.

    High: 36 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Patchy blowing snow after 1am. Low around 27. Blustery, with a north wind 13 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: A slight chance of snow before 1pm. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 20 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. West northwest wind 6 to 14 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Northwest wind 6 to 13 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. North wind 6 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 41. Northeast wind 7 to 14 mph.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of rain and snow before 11am, then a slight chance of snow between 11am and noon. Cloudy, with a high near 41. Northeast wind around 10 mph. Chance of precipitation is 40%.
Tonight
A chance of rain before 2am, then rain or freezing rain likely between 2am and 3am, then freezing rain after 3am. Low around 28. East wind around 11 mph. Chance of precipitation is 80%. New ice accumulation of around a 0.1 of an inch possible.
Friday
Snow, freezing rain, and sleet before 11am, then snow, possibly mixed with rain. High near 36. East wind 10 to 13 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 a half inch possible.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Patchy blowing snow after 1am. Low around 27. Blustery, with a north wind 13 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A slight chance of snow before 1pm. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 20 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 23. West northwest wind 6 to 14 mph.
Sunday
Sunny, with a high near 50. Northwest wind 6 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 26. North wind 6 to 10 mph.
Monday
Mostly cloudy, with a high near 41. Northeast wind 7 to 14 mph.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 53. Breezy.
Tuesday Night
Partly cloudy, with a low around 35. Breezy.
Wednesday
Mostly sunny, with a high near 59. 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:
8:32 am CDT Apr 2, 2026
Forecast Valid:
9am CDT Apr 2, 2026-6pm CDT Apr 8, 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