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.

Partly Cloudy

38°F

3°C

Humidity 76%
Wind Speed N 20 G 29 mph
Barometer 29.77 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 17 Apr 4:35 am CDT
Extended Forecast for

Gann Valley SD

  • Today

    Today: A slight chance of snow showers before 9am, then a chance of rain showers between 9am and 11am. Mostly cloudy, with a high near 50. Windy, with a north northwest wind 26 to 30 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow and
    Windy then
    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 22. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 22 °F

    Gradual
    Clearing and
    Blustery then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Breezy, with a west northwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 51 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Northwest wind 13 to 18 mph becoming light and variable after midnight.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. North northwest wind 5 to 9 mph becoming northeast in the morning.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 77 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South wind 8 to 11 mph becoming north after midnight.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. North northeast wind 7 to 11 mph becoming east southeast in the afternoon.

    High: 79 °F

    Sunny

Detailed Forecast

Today
A slight chance of snow showers before 9am, then a chance of rain showers between 9am and 11am. Mostly cloudy, with a high near 50. Windy, with a north northwest wind 26 to 30 mph. Chance of precipitation is 30%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 22. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Saturday
Sunny, with a high near 51. Breezy, with a west northwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind 13 to 18 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 60. North northwest wind 5 to 9 mph becoming northeast in the morning.
Sunday Night
Mostly clear, with a low around 34. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 77. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 42. South wind 8 to 11 mph becoming north after midnight.
Tuesday
Sunny, with a high near 79. North northeast wind 7 to 11 mph becoming east southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 86. Breezy.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 50%.
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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:
4:36 am CDT Apr 17, 2026
Forecast Valid:
4am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation