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.

Fair

81°F

27°C

Humidity 35%
Wind Speed E 6 mph
Barometer 29.81 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 May 8:55 pm CDT
Extended Forecast for

Lower Brule SD

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Southeast wind 9 to 11 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Breezy, with a south wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 92 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 29 mph.

    Low: 60 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Breezy, with a southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 88 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. East southeast wind 11 to 18 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 86. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 86 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Southeast wind 14 to 18 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 16 to 20 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Southeast wind 9 to 11 mph.
Tuesday
Sunny and hot, with a high near 92. Breezy, with a south wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 60. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 88. Breezy, with a southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 59. East southeast wind 11 to 18 mph.
Thursday
Partly sunny, with a high near 86. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 59. Southeast wind 14 to 18 mph.
Friday
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 16 to 20 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 80.
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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:
8:36 pm CDT May 25, 2026
Forecast Valid:
9pm CDT May 25, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation