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.

Light Rain

39°F

4°C

Humidity 100%
Wind Speed N 12 mph
Barometer 30.01 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Apr 11:55 pm CDT
Extended Forecast for

Lower Brule SD

  • Overnight

    Overnight: Showers. Low around 38. Northeast wind 7 to 9 mph becoming south. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 49. North wind 9 to 13 mph. Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers after 4am. Mostly cloudy, with a low around 38. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 7am. High near 53. East wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 43. East northeast wind around 17 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Monday

    Monday: Showers. High near 51. Windy, with a north northwest wind 20 to 25 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers and
    Windy

  • Monday Night

    Monday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 33. Windy, with a northwest wind 21 to 31 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: A slight chance of showers. Partly sunny, with a high near 53. Northwest wind around 9 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 34. West northwest wind 5 to 9 mph becoming south southwest after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Showers. Low around 38. Northeast wind 7 to 9 mph becoming south. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 49. North wind 9 to 13 mph. Chance of precipitation is 50%.
Saturday Night
A slight chance of showers after 4am. Mostly cloudy, with a low around 38. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday
Showers, mainly after 7am. High near 53. East wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 43. East northeast wind around 17 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers. High near 51. Windy, with a north northwest wind 20 to 25 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 33. Windy, with a northwest wind 21 to 31 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 53. Northwest wind around 9 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 34. West northwest wind 5 to 9 mph becoming south southwest after midnight. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A slight chance of showers. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 60.
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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:
11:51 pm CDT Apr 24, 2026
Forecast Valid:
12am CDT Apr 25, 2026-6pm CDT May 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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