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.

Light Rain and Breezy

12°C

54°F

Humidity 96%
Wind Speed W 39 G 59 km/h
Barometer 29.42 in
Dewpoint 12°C (53°F)
Visibility 16 km
Wind Chill9°C (48°F)
Last update 15 May 1:15 pm CDT
Extended Forecast for

Iona SD

Wind Advisory until May 16, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until May 16, 01:00am

    NOW until 1:00am Fri

    Wind Advisory

  • This Afternoon

    High: 16 °C

    Chance
    Showers and
    Very Windy

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 8. Windy, with a west wind 50 to 60 km/h, with gusts as high as 75 km/h. Chance of precipitation is 40%.

    Low: 8 °C

    Chance
    Showers and
    Windy

  • Friday

    Friday: Showers. High near 12. Windy, with a west northwest wind around 60 km/h, with gusts as high as 80 km/h. Chance of precipitation is 90%. New precipitation amounts between 2.5 and 5 mm possible.

    High: 12 °C

    Showers and
    Windy

  • Friday Night

    Friday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 6. Windy, with a northwest wind 43 to 48 km/h decreasing to 29 to 34 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 20%.

    Low: 6 °C

    Slight Chance
    Showers and
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Northwest wind 21 to 27 km/h.

    High: 16 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 6. East wind 18 to 24 km/h. Chance of precipitation is 40%.

    Low: 6 °C

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 17. Breezy, with an east wind 27 to 32 km/h increasing to 34 to 39 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 50%.

    High: 17 °C

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers after 1am. Low around 11. Breezy, with an east wind 35 to 40 km/h, with gusts as high as 55 km/h. Chance of precipitation is 80%.

    Low: 11 °C

    Breezy.
    Chance
    Showers then
    Showers

Detailed Forecast

This Afternoon
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 16. Very windy, with a west wind 60 to 65 km/h, with gusts as high as 90 km/h. Chance of precipitation is 30%.
Tonight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 8. Windy, with a west wind 50 to 60 km/h, with gusts as high as 75 km/h. Chance of precipitation is 40%.
Friday
Showers. High near 12. Windy, with a west northwest wind around 60 km/h, with gusts as high as 80 km/h. Chance of precipitation is 90%. New precipitation amounts between 2.5 and 5 mm possible.
Friday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 6. Windy, with a northwest wind 43 to 48 km/h decreasing to 29 to 34 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 16. Northwest wind 21 to 27 km/h.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 6. East wind 18 to 24 km/h. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 17. Breezy, with an east wind 27 to 32 km/h increasing to 34 to 39 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms, then showers after 1am. Low around 11. Breezy, with an east wind 35 to 40 km/h, with gusts as high as 55 km/h. Chance of precipitation is 80%.
Monday
Showers, with thunderstorms also possible after 1pm. High near 18. Breezy, with an east southeast wind around 40 km/h, with gusts as high as 60 km/h. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 9. Breezy. Chance of precipitation is 90%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 8. Breezy. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly sunny, with a high near 17. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Iona SD
 43.54°N 99.44°W (Elev. 1923 m)
Last Update:
1:29 pm CDT May 15, 2025
Forecast Valid:
1pm CDT May 15, 2025-6pm CDT May 21, 2025
 
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