Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fog/Mist

22°F

-6°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.11 in
Dewpoint 22°F (-6°C)
Visibility 3.00 mi
Wind Chill14°F (-10°C)
Last update 28 Nov 11:55 pm CST
Extended Forecast for

Iona SD

Winter Weather Advisory November 29, 12:02am until November 29, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory November 29, 12:02am until November 29, 12:00pm

    NOW until 12:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 18 °F

    Snow

  • Saturday

    Saturday: Snow, mainly before noon. The snow could be heavy at times.  Patchy blowing snow. High near 22. Blustery, with a north northwest wind 17 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 22 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 6 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 16. West northwest wind 6 to 14 mph becoming south in the afternoon.

    High: 16 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. South southeast wind 6 to 15 mph.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. South wind 10 to 15 mph becoming west in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. West wind around 10 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. South wind around 10 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. Low around 18. East southeast wind 7 to 16 mph becoming north northeast. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Snow, mainly before noon. The snow could be heavy at times. Patchy blowing snow. High near 22. Blustery, with a north northwest wind 17 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 16. West northwest wind 6 to 14 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 7. South southeast wind 6 to 15 mph.
Monday
Mostly sunny, with a high near 26. South wind 10 to 15 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 10. West wind around 10 mph.
Tuesday
Partly sunny, with a high near 32. South wind around 10 mph.
Tuesday Night
Patchy blowing snow between 4am and 5am. Mostly cloudy, with a low around 20. West southwest wind 10 to 17 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Patchy blowing snow. Mostly cloudy, with a low around 21.
Friday
Patchy blowing snow. Partly sunny, with a high near 35.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Iona SD
 43.54°N 99.44°W (Elev. 1923 ft)
11:36 pm CST Nov 28, 2025
12am CST Nov 29, 2025-6pm CST Dec 5, 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