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.

Overcast

63°F

17°C

Humidity 70%
Wind Speed W 8 mph
Barometer 30.09 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 12:55 pm CDT
Extended Forecast for

Lower Brule SD

  • Juneteenth

    Juneteenth: Sunny, with a high near 76. Northwest wind 13 to 16 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northwest wind 6 to 15 mph becoming east southeast after midnight.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 3pm. Sunny, then becoming cloudy during the afternoon, with a high near 77. East southeast wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 54. East wind 14 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 64. East wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Cloudy, with a low around 50. East northeast wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 71. East northeast wind 5 to 7 mph becoming south southeast in the afternoon.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. East southeast wind around 7 mph becoming west northwest after midnight. Chance of precipitation is 70%.

    Low: 53 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 1pm. Sunny, with a high near 72. Breezy, with a west northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Juneteenth
Sunny, with a high near 76. Northwest wind 13 to 16 mph.
Tonight
Partly cloudy, with a low around 51. Northwest wind 6 to 15 mph becoming east southeast after midnight.
Saturday
A chance of showers after 3pm. Sunny, then becoming cloudy during the afternoon, with a high near 77. East southeast wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 54. East wind 14 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 64. East wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers likely, mainly before 1am. Cloudy, with a low around 50. East northeast wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Partly sunny, with a high near 71. East northeast wind 5 to 7 mph becoming south southeast in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. East southeast wind around 7 mph becoming west northwest after midnight. Chance of precipitation is 70%.
Tuesday
A slight chance of showers before 1pm. Sunny, with a high near 72. Breezy, with a west northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lower Brule SD
 44.07°N 99.58°W (Elev. 1444 ft)
Last Update:
1:11 pm CDT Jun 19, 2026
Forecast Valid:
1pm CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation