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 73%
Wind Speed SW 8 mph
Barometer 30.04 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 Jun 7:35 pm CDT
Extended Forecast for

Lower Brule SD

  • Tonight

    Tonight: A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 55. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 79. Breezy, with a south southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 81. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Breezy, with a southeast wind 16 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Breezy.
    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 92. Southeast wind 9 to 15 mph becoming south southwest in the afternoon.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southeast wind 7 to 13 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Clear then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88. South southwest wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 62. West wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 55. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 79. Breezy, with a south southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 62. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 30 mph.
Saturday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 81. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Breezy, with a southeast wind 16 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny and hot, with a high near 92. Southeast wind 9 to 15 mph becoming south southwest in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southeast wind 7 to 13 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 88. South southwest wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 62. West wind 7 to 9 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
Mostly sunny and hot, with a high near 92.
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:
7:36 pm CDT Jun 25, 2026
Forecast Valid:
7pm CDT Jun 25, 2026-6pm CDT Jul 2, 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