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

86°F

30°C

Humidity 57%
Wind Speed E 7 mph
Barometer 29.87 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 11 Aug 6:35 pm CDT
Extended Forecast for

9 Miles ESE Iona SD

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 66. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers before 8am. Mostly sunny, with a high near 83. East northeast wind 5 to 10 mph.

    High: 83 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Patchy smoke after midnight. Increasing clouds, with a low around 63. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy smoke before 8am. Mostly cloudy, with a high near 76. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 61. East wind around 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. East southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 66. East wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 83. East northeast wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Patchy smoke after midnight. Increasing clouds, with a low around 63. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy smoke before 8am. Mostly cloudy, with a high near 76. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 61. East wind around 15 mph, with gusts as high as 25 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. East southeast wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 77.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Iona SD
 43.52°N 99.26°W (Elev. 1617 ft)
Last Update:
6:33 pm CDT Aug 11, 2026
Forecast Valid:
6pm CDT Aug 11, 2026-6pm CDT Aug 18, 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