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

73°F

23°C

Humidity 70%
Wind Speed S 9 mph
Barometer 29.91 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 8 Sep 10:55 am CDT
Extended Forecast for

Lower Brule SD

  • Today

    Today: Mostly sunny, with a high near 87. South southwest wind 11 to 13 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Southwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. West wind 6 to 10 mph becoming north in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East wind 8 to 11 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. East southeast wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East southeast wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 85 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 87. South southwest wind 11 to 13 mph.
Tonight
Mostly cloudy, with a low around 60. Southwest wind 6 to 8 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 85. West wind 6 to 10 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 60. East wind 8 to 11 mph.
Wednesday
Mostly sunny, with a high near 83. East southeast wind 8 to 18 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 62. East southeast wind 14 to 17 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 85. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 28 mph.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. 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:
11:00 am CDT Sep 8, 2025
Forecast Valid:
11am CDT Sep 8, 2025-6pm CDT Sep 14, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation