National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

85°F

29°C

Humidity 58%
Wind Speed SE 10 mph
Barometer 29.94 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Aug 12:35 pm CDT
Extended Forecast for

9 Miles SSW Gann Valley SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. North wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. North wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East northeast wind 5 to 10 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. East wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 65. North wind 5 to 10 mph.
Monday
Sunny, with a high near 89. North wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSW Gann Valley SD
 43.93°N 99.07°W (Elev. 1601 ft)
Last Update:
12:41 pm CDT Aug 16, 2025
Forecast Valid:
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation