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 48%
Wind Speed E 5 mph
Barometer 30.07 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 7 Oct 8:55 pm CDT
Extended Forecast for

Lower Brule SD

  • Tonight

    Tonight: Increasing clouds, with a low around 52. North wind around 6 mph becoming east southeast after midnight.

    Low: 52 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. East southeast wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 71 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. East southeast wind 6 to 9 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. South wind 11 to 15 mph, with gusts as high as 28 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. South southwest wind around 15 mph, with gusts as high as 26 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South wind 13 to 16 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 66. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 46. North wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 52. North wind around 6 mph becoming east southeast after midnight.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. East southeast wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 53. East southeast wind 6 to 9 mph.
Friday
Sunny, with a high near 82. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 65. South wind 11 to 15 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 85. South southwest wind around 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 56. South wind 13 to 16 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.
Sunday
Partly sunny, with a high near 66. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 46. North wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 20%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Brule SD
 44.07°N 99.58°W (Elev. 1444 ft)
Last Update:
8:21 pm CDT Oct 7, 2026
Forecast Valid:
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation