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

83°F

28°C

Humidity 54%
Wind Speed SE 15 G 21 mph
Barometer 30.06 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 10 Sep 5:15 pm CDT
Extended Forecast for

2 Miles SW Lower Brule SD

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southeast wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 33 mph.

    High: 86 °F

    Decreasing
    Clouds and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms and
    Breezy then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 88. Southeast wind around 10 mph.

    High: 88 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. East wind around 10 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. East northeast wind 9 to 14 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind 9 to 11 mph becoming southwest in the evening. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. West southwest wind 9 to 13 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. South wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Southeast wind 15 to 17 mph, with gusts as high as 26 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 33 mph.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 88. Southeast wind around 10 mph.
Friday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. East wind around 10 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. East northeast wind 9 to 14 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind 9 to 11 mph becoming southwest in the evening. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. West southwest wind 9 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. South wind 8 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 85.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lower Brule SD
 44.05°N 99.61°W (Elev. 1736 ft)
Last Update:
4:47 pm CDT Sep 10, 2025
Forecast Valid:
5pm CDT Sep 10, 2025-6pm CDT Sep 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation