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

72°F

22°C

Humidity 48%
Wind Speed N 17 G 25 mph
Barometer 30.08 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 12:15 pm CDT
Extended Forecast for

Lower Brule SD

  • This Afternoon

    This Afternoon: Isolated showers before 3pm. Sunny, with a high near 71. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 71 °F

    Isolated
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 68 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Breezy, with a south wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 75 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. West southwest wind 5 to 9 mph becoming northwest in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. North northwest wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers before 3pm. Sunny, with a high near 71. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 47. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 75. Breezy, with a south wind 13 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 57. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 78. West southwest wind 5 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. North northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 74. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 76.
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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:
12:06 pm CDT Oct 3, 2026
Forecast Valid:
12pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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