National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

31°F

-1°C

Humidity 76%
Wind Speed NE 10 G 20 mph
Barometer 29.94 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 10 Mar 1:55 am CDT
Extended Forecast for

Iona SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Blustery, with a northeast wind 22 to 24 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. Northeast wind around 15 mph.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, becoming all snow after 1am. Low around 28. North northeast wind 15 to 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 15 to 24 mph, with gusts as high as 33 mph.

    High: 46 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Breezy, with a northwest wind 11 to 20 mph becoming south southwest after midnight.

    Low: 28 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Mostly cloudy, with a high near 63. Breezy, with a south southwest wind 18 to 26 mph becoming west in the afternoon. Winds could gust as high as 37 mph.

    High: 63 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Blustery, with a northwest wind 17 to 25 mph, with gusts as high as 34 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery

  • Friday

    Friday: A slight chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 48. North northwest wind around 14 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 30. East wind 13 to 16 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Blustery, with a northeast wind 22 to 24 mph, with gusts as high as 33 mph.
Tuesday
Mostly cloudy, with a high near 44. Northeast wind around 15 mph.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after 1am. Low around 28. North northeast wind 15 to 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 15 to 24 mph, with gusts as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 28. Breezy, with a northwest wind 11 to 20 mph becoming south southwest after midnight.
Thursday
Mostly cloudy, with a high near 63. Breezy, with a south southwest wind 18 to 26 mph becoming west in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
Mostly cloudy, with a low around 30. Blustery, with a northwest wind 17 to 25 mph, with gusts as high as 34 mph.
Friday
A slight chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 48. North northwest wind around 14 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 30. East wind 13 to 16 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 20%.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 60%.
Sunday
A chance of snow. Partly sunny, with a high near 29. Windy. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Mostly cloudy, with a high near 36.
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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 ft)
Last Update:
11:36 pm CDT Mar 9, 2026
Forecast Valid:
1am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation