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 and Breezy

N/A

Humidity NA
Wind Speed SE 23 G 30 mph
Barometer 29.75 in
Dewpoint N/A
Visibility 10.00 mi
Last update 9 Jun 12:35 pm CDT
Extended Forecast for

Gann Valley SD

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 97. Breezy, with a south southeast wind 16 to 23 mph, with gusts as high as 32 mph.

    High: 97 °F

    Hot and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Increasing clouds, with a low around 64. Breezy, with a south wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Chance of precipitation is 50%.

    Low: 64 °F

    Severe
    Thunderstorms
    and Breezy
    then Severe
    Thunderstorms

  • Wednesday

    Wednesday: Sunny, with a high near 82. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the morning.

    High: 82 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 1am. Increasing clouds, with a low around 55. West northwest wind 5 to 14 mph becoming north northeast in the evening. Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Breezy, with a west wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 75 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Breezy, with a west wind 18 to 23 mph decreasing to 7 to 12 mph after midnight.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 84. West wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Northwest wind 6 to 13 mph becoming north northeast in the evening.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. North wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Breezy, with a south southeast wind 16 to 23 mph, with gusts as high as 32 mph.
Tonight
A chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Increasing clouds, with a low around 64. Breezy, with a south wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 82. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the morning.
Wednesday Night
A slight chance of showers after 1am. Increasing clouds, with a low around 55. West northwest wind 5 to 14 mph becoming north northeast in the evening. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 75. Breezy, with a west wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 36 mph.
Thursday Night
Mostly clear, with a low around 52. Breezy, with a west wind 18 to 23 mph decreasing to 7 to 12 mph after midnight.
Friday
Sunny, with a high near 84. West wind 9 to 16 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 54. Northwest wind 6 to 13 mph becoming north northeast in the evening.
Saturday
Sunny, with a high near 79. North wind 8 to 16 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 51. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gann Valley SD
 44.04°N 98.98°W (Elev. 1709 ft)
Last Update:
12:36 pm CDT Jun 9, 2026
Forecast Valid:
12pm CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation