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

37°F

3°C

Humidity 70%
Wind Speed NE 15 G 22 mph
Barometer 29.81 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 9 Mar 9:55 pm CDT
Extended Forecast for

Reliance SD

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Blustery, with a northeast wind 17 to 22 mph, with gusts as high as 32 mph.

    Low: 27 °F

    Partly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. North northeast wind 10 to 14 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 10pm. Low around 25. North northeast wind 10 to 16 mph becoming northwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 46 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Northwest wind 10 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 62. Breezy, with a south southwest wind 14 to 23 mph becoming west in the afternoon. Winds could gust as high as 34 mph.

    High: 62 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 28. Blustery, with a north northwest wind 14 to 22 mph, with gusts as high as 32 mph.

    Low: 28 °F

    Cloudy and
    Blustery

  • Friday

    Friday: A slight chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 47. North northwest wind 10 to 13 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 1am, then a slight chance of snow. Cloudy, with a low around 27. East wind 11 to 15 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. Blustery, with a northeast wind 17 to 22 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 46. North northeast wind 10 to 14 mph.
Tuesday Night
Rain and snow, becoming all snow after 10pm. Low around 25. North northeast wind 10 to 16 mph becoming northwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 25. Northwest wind 10 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph.
Thursday
Mostly cloudy, with a high near 62. Breezy, with a south southwest wind 14 to 23 mph becoming west in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Cloudy, with a low around 28. Blustery, with a north northwest wind 14 to 22 mph, with gusts as high as 32 mph.
Friday
A slight chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 47. North northwest wind 10 to 13 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of rain and snow before 1am, then a slight chance of snow. Cloudy, with a low around 27. East wind 11 to 15 mph. Chance of precipitation is 30%.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 60%.
Sunday
A chance of snow. Partly sunny, with a high near 29. Blustery. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 12.
Monday
A slight chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
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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:
9:36 pm CDT Mar 9, 2026
Forecast Valid:
10pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation