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

46°F

8°C

Humidity 60%
Wind Speed N 17 G 25 mph
Barometer 29.83 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 31 Mar 12:15 am CDT
Extended Forecast for

Lower Brule SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Breezy, with a north wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 49. Breezy, with a north northwest wind 16 to 22 mph.

    High: 49 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 10pm, then a chance of snow. Cloudy, with a low around 29. East northeast wind 14 to 17 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain and snow. Patchy blowing snow between 9am and noon. High near 41. Breezy, with an east wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 41 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Low around 31. East northeast wind 14 to 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely before 1pm. Cloudy, with a high near 42. East northeast wind around 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A slight chance of rain before 1am, then rain and snow likely between 1am and 4am, then rain, snow, and freezing rain likely after 4am. Mostly cloudy, with a low around 29. East wind around 15 mph. Chance of precipitation is 60%.

    Low: 29 °F

    Slight Chance
    Rain then
    Wintry Mix
    Likely

  • Friday

    Friday: Rain, snow, and freezing rain likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 43. East wind 15 to 17 mph. Chance of precipitation is 70%.

    High: 43 °F

    Wintry Mix
    Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 26. Northwest wind 15 to 18 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Breezy, with a north wind 18 to 22 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 49. Breezy, with a north northwest wind 16 to 22 mph.
Tuesday Night
A slight chance of rain before 10pm, then a chance of snow. Cloudy, with a low around 29. East northeast wind 14 to 17 mph. Chance of precipitation is 30%.
Wednesday
Snow likely before 1pm, then rain and snow. Patchy blowing snow between 9am and noon. High near 41. Breezy, with an east wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Rain and snow. Low around 31. East northeast wind 14 to 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow likely before 1pm. Cloudy, with a high near 42. East northeast wind around 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of rain before 1am, then rain and snow likely between 1am and 4am, then rain, snow, and freezing rain likely after 4am. Mostly cloudy, with a low around 29. East wind around 15 mph. Chance of precipitation is 60%.
Friday
Rain, snow, and freezing rain likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 43. East wind 15 to 17 mph. Chance of precipitation is 70%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26. Northwest wind 15 to 18 mph. Chance of precipitation is 50%.
Saturday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 51.
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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:
12:21 am CDT Mar 31, 2026
Forecast Valid:
12am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation