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

N/A

Humidity NA
Wind Speed Calm
Barometer 29.97 in
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Aug 1:15 am CDT
Extended Forecast for

14 Miles E Iona SD

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a steady temperature around 70. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 87. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. East southeast wind around 10 mph becoming north northeast after midnight.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers between noon and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65. East wind 5 to 10 mph.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a steady temperature around 70. East northeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 87. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. East southeast wind around 10 mph becoming north northeast after midnight.
Tuesday
A slight chance of showers between noon and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65. East wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 83. East wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Cloudy, with a high near 73.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 74.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles E Iona SD
 43.52°N 99.14°W (Elev. 1798 ft)
Last Update:
12:53 am CDT Aug 10, 2026
Forecast Valid:
1am CDT Aug 10, 2026-6pm CDT Aug 16, 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