National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Partly Cloudy

74°F

23°C

Humidity 42%
Wind Speed N 6 mph
Barometer 30.06 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Jun 3:35 pm CDT
Extended Forecast for

3 Miles WNW Fort Thompson SD

  • Juneteenth

    Juneteenth: Sunny, with a high near 79. West northwest wind around 14 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Northwest wind 5 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 3pm. Sunny, then becoming cloudy during the afternoon, with a high near 80. Southeast wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 54. East wind 13 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 66. East wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Cloudy, with a low around 50. East northeast wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 73. Light and variable wind becoming east southeast around 6 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 52 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 1pm. Mostly sunny, with a high near 75. West northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

Detailed Forecast

Juneteenth
Sunny, with a high near 79. West northwest wind around 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 50. Northwest wind 5 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.
Saturday
A slight chance of showers after 3pm. Sunny, then becoming cloudy during the afternoon, with a high near 80. Southeast wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 54. East wind 13 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 66. East wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly before 1am. Cloudy, with a low around 50. East northeast wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Partly sunny, with a high near 73. Light and variable wind becoming east southeast around 6 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 70%.
Tuesday
A slight chance of showers before 1pm. Mostly sunny, with a high near 75. West northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Fort Thompson SD
 44.07°N 99.46°W (Elev. 1480 ft)
Last Update:
3:36 pm CDT Jun 19, 2026
Forecast Valid:
4pm CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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