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.

Mostly Cloudy

72°F

22°C

Humidity 50%
Wind Speed NW 9 mph
Barometer 30.11 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 2:55 pm CDT
Extended Forecast for

Reliance SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Northwest wind around 16 mph, with gusts as high as 28 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. North northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 69. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 69 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Breezy, with a south wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South southeast wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. North northwest wind 7 to 10 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North wind 5 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. North northwest wind 5 to 8 mph becoming east northeast in the afternoon.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Northwest wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 45. North northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 69. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 78. Breezy, with a south wind 15 to 22 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 57. South southeast wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 80. North northwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 53. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 73. North northwest wind 5 to 8 mph becoming east northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.88°N 99.6°W (Elev. 1781 ft)
Last Update:
2:21 pm CDT Oct 3, 2026
Forecast Valid:
3pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
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Additional Resources

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