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

N/A

Humidity NA
Wind Speed S 10 mph
Barometer 29.51 in
Dewpoint N/A
Visibility 10.00 mi
Last update 16 Jun 6:15 pm CDT
Extended Forecast for

Gann Valley SD

Wind Advisory June 17, 10:00am until June 17, 09:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 59. South southeast wind 7 to 14 mph becoming north northwest after midnight. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 7am. Increasing clouds, with a high near 76. Windy, with a west northwest wind 11 to 21 mph increasing to 26 to 36 mph. Chance of precipitation is 10%.

    High: 76 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Breezy, with a northwest wind 18 to 28 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 36 mph.

    Low: 50 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. North northwest wind 9 to 15 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. North northwest wind 6 to 11 mph becoming light and variable in the evening.

    Low: 49 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. North wind 7 to 10 mph becoming east in the evening.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. East wind 8 to 16 mph. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. East wind 14 to 16 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 59. South southeast wind 7 to 14 mph becoming north northwest after midnight. Chance of precipitation is 40%.
Wednesday
A slight chance of showers before 7am. Increasing clouds, with a high near 76. Windy, with a west northwest wind 11 to 21 mph increasing to 26 to 36 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 50. Breezy, with a northwest wind 18 to 28 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 36 mph.
Thursday
Mostly sunny, with a high near 74. North northwest wind 9 to 15 mph.
Thursday Night
Mostly clear, with a low around 49. North northwest wind 6 to 11 mph becoming light and variable in the evening.
Juneteenth
Mostly sunny, with a high near 82. Light west southwest wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 54. North wind 7 to 10 mph becoming east in the evening.
Saturday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. East wind 8 to 16 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. East wind 14 to 16 mph. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Monday
A slight chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
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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:
6:36 pm CDT Jun 16, 2026
Forecast Valid:
6pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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