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

71°F

22°C

Humidity 68%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Aug 9:35 pm CDT
Extended Forecast for

11 Miles E Iona SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming south after midnight.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 9am. Sunny, with a high near 86. South southeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 62. North northwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. East wind 5 to 10 mph.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph becoming south southeast after midnight. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. South southeast wind 5 to 10 mph.

    High: 75 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming south after midnight.
Monday
A 20 percent chance of showers and thunderstorms before 9am. Sunny, with a high near 86. South southeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 62. North northwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. East wind 5 to 10 mph.
Tuesday Night
A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph becoming south southeast after midnight. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. South southeast wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Iona SD
 43.54°N 99.2°W (Elev. 1896 ft)
Last Update:
8:18 pm CDT Aug 16, 2026
Forecast Valid:
9pm CDT Aug 16, 2026-6pm CDT Aug 23, 2026
 
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