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.

Overcast

60°F

16°C

Humidity 55%
Wind Speed S 10 mph
Barometer 30.15 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 May 7:15 pm CDT
Extended Forecast for

11 Miles ENE Iona SD

  • Tonight

    Tonight: A chance of sprinkles with a slight chance of showers before midnight, then a chance of sprinkles between midnight and 2am. Cloudy, with a low around 44. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Decreasing
    Clouds and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 45. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    and Breezy
    then Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 58. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 58 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. North northeast wind around 10 mph becoming west northwest after midnight.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 71. Northwest wind 5 to 10 mph.

    High: 71 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of sprinkles with a slight chance of showers before midnight, then a chance of sprinkles between midnight and 2am. Cloudy, with a low around 44. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 45. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 1pm. High near 58. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Friday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. North northeast wind around 10 mph becoming west northwest after midnight.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 71. Northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 59. Breezy.
Tuesday
Sunny, with a high near 87. Breezy.
Tuesday Night
Partly cloudy, with a low around 58. Breezy.
Wednesday
Partly sunny, with a high near 82. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Iona SD
 43.61°N 99.2°W (Elev. 1749 ft)
Last Update:
5:53 pm CDT May 20, 2026
Forecast Valid:
7pm CDT May 20, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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