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

66°F

19°C

Humidity 47%
Wind Speed W 12 G 20 mph
Barometer 29.71 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Oct 1:55 pm CDT
Extended Forecast for

Reliance SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. West wind around 18 mph.

    High: 67 °F

    Mostly 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, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 55. Windy, with a northwest wind 13 to 18 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Breezy, with a west northwest wind 11 to 21 mph, with gusts as high as 31 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West southwest wind 10 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. South southeast wind 11 to 18 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. Windy, with a west northwest wind 21 to 26 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 59 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Breezy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 38 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. West northwest wind 13 to 15 mph.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. West wind around 18 mph.
Tonight
Mostly cloudy, with a low around 44. West wind around 11 mph.
Saturday
A chance of showers, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 55. Windy, with a northwest wind 13 to 18 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 34. Breezy, with a west northwest wind 11 to 21 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 64. West southwest wind 10 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 46. South southeast wind 11 to 18 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.
Monday
Mostly sunny, with a high near 59. Windy, with a west northwest wind 21 to 26 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 36. Breezy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 38 mph.
Tuesday
Sunny, with a high near 55. West northwest wind 13 to 15 mph.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.88°N 99.6°W (Elev. 1781 ft)
Last Update:
2:06 pm CDT Oct 17, 2025
Forecast Valid:
2pm CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
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