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

52°F

11°C

Humidity 79%
Wind Speed W 13 G 16 mph
Barometer 29.76 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 17 Oct 10:35 am CDT
Extended Forecast for

Reliance SD

  • Today

    Today: Sunny, with a high near 66. West wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. West wind around 11 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a northwest wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Breezy, with a west wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West southwest wind 10 to 17 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. South southeast wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61. Windy, with a west northwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 61 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Breezy, with a west northwest wind 17 to 24 mph, with gusts as high as 38 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 59. West northwest wind around 15 mph, with gusts as high as 24 mph.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. West wind 13 to 18 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 44. West wind around 11 mph.
Saturday
A chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a northwest wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 33. Breezy, with a west wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 64. West southwest wind 10 to 17 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 46. South southeast wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.
Monday
Mostly sunny, with a high near 61. Windy, with a west northwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph.
Monday Night
Mostly clear, with a low around 37. Breezy, with a west northwest wind 17 to 24 mph, with gusts as high as 38 mph.
Tuesday
Sunny, with a high near 59. West northwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 61. Breezy.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.9°N 99.6°W (Elev. 1798 ft)
Last Update:
10:36 am CDT Oct 17, 2025
Forecast Valid:
10am CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation