Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

39°F

4°C

Humidity 84%
Wind Speed E 3 mph
Barometer 29.85 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 24 Nov 8:35 pm CST
Extended Forecast for

Iona SD

High Wind Warning November 25, 06:00am until November 25, 06:00pm
Click here for hazard details and duration
High Wind Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Breezy, with an east northeast wind 6 to 11 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph.

    Low: 35 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A chance of snow between 3pm and 5pm.  Increasing clouds, with a temperature falling to around 31 by 5pm. Windy, with a west northwest wind 29 to 39 mph, with gusts as high as 55 mph.  Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. Blustery, with a northwest wind 23 to 28 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 39 mph.

    Low: 19 °F

    Partly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. West northwest wind 9 to 17 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. West northwest wind 6 to 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 33. West northwest wind 7 to 9 mph becoming east northeast in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. East southeast wind 9 to 15 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow.  Mostly cloudy, with a high near 33. Southeast wind 15 to 17 mph.  Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around 19. East southeast wind around 15 mph becoming north after midnight.  Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Breezy, with an east northeast wind 6 to 11 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph.
Tuesday
A chance of snow between 3pm and 5pm. Increasing clouds, with a temperature falling to around 31 by 5pm. Windy, with a west northwest wind 29 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 19. Blustery, with a northwest wind 23 to 28 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 39 mph.
Wednesday
Mostly sunny, with a high near 34. West northwest wind 9 to 17 mph.
Wednesday Night
Partly cloudy, with a low around 17. West northwest wind 6 to 8 mph.
Thanksgiving Day
Mostly sunny, with a high near 33. West northwest wind 7 to 9 mph becoming east northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 19. East southeast wind 9 to 15 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 33. Southeast wind 15 to 17 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 19. East southeast wind around 15 mph becoming north after midnight. Chance of precipitation is 20%.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Cloudy, with a low around 13. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Monday
A slight chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Iona SD
 43.54°N 99.44°W (Elev. 1923 ft)
8:36 pm CST Nov 24, 2025
8pm CST Nov 24, 2025-6pm CST Dec 1, 2025
 
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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