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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Gann Valley SD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North wind 6 to 9 mph becoming east. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 58. Northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind 5 to 9 mph becoming west in the afternoon.

    High: 81 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind around 7 mph.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny and hot, with a high near 91. Southwest wind 6 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65. South southeast wind 10 to 14 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 95. East southeast wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. South southwest wind around 11 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 94. East wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 94 °F

    Hot

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North wind 6 to 9 mph becoming east. Chance of precipitation is 40%.
Tonight
A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 58. Northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 81. North wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. South wind around 7 mph.
Juneteenth
Sunny and hot, with a high near 91. Southwest wind 6 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65. South southeast wind 10 to 14 mph. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 95. East southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 66. South southwest wind around 11 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny and hot, with a high near 94. East wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gann Valley SD
 44.04°N 98.98°W (Elev. 1709 ft)
Last Update:
12:21 pm CDT Jun 17, 2025
Forecast Valid:
12pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation