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.

Fair

65°F

18°C

Humidity 64%
Wind Speed NW 12 mph
Barometer 30.05 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 3 Oct 10:55 am CDT
Extended Forecast for

3 Miles WNW Fort Thompson SD

  • Today

    Today: Isolated showers and thunderstorms between noon and 1pm. Sunny, with a high near 72. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 72 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 47. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming west southwest around 5 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Southeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Southeast wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Light north northwest wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms between noon and 1pm. Sunny, with a high near 72. Northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 47. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 68. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 50. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 76. Southeast wind 11 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 56. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 79. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Light north northwest wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 77.
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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:
10:46 am CDT Oct 3, 2026
Forecast Valid:
11am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation