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

70°F

21°C

Humidity 40%
Wind Speed SE 7 mph
Barometer 30.07 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 10:15 am CDT
Extended Forecast for

13 Miles E Iona SD

  • Today

    Today: A 40 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 78. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 54. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 66. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 4am. Low around 51. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 73. North northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 54. Southeast wind around 10 mph becoming west southwest after midnight.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Breezy.

    High: 76 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 78. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 54. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 66. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers, with thunderstorms also possible after 4am. Low around 51. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. North northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 54. Southeast wind around 10 mph becoming west southwest after midnight.
Tuesday
Mostly sunny, with a high near 76. Breezy.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 79. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Iona SD
 43.52°N 99.17°W (Elev. 1788 ft)
Last Update:
8:48 am CDT Jun 20, 2026
Forecast Valid:
10am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation