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Winter Weather Resource Page

Winter travel impacts expected across the region Friday into Saturday. Continue to monitor the latest forecast. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Light Snow

23°F

-5°C

Humidity 93%
Wind Speed E 15 mph
Barometer 30.03 in
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Wind Chill10°F (-12°C)
Last update 29 Nov 6:15 am CST
Extended Forecast for

Alton IA

Winter Storm Warning November 29, 06:39am until November 30, 12:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 06:39am until November 30, 12:00am

    NOW until 12:00am Sun

    Winter Storm Warning

  • Today

    High: 25 °F

    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A 40 percent chance of snow before 8pm. Mostly cloudy, with a low around 8. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow
    and Blustery
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 17. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 17 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 4. West northwest wind around 5 mph becoming calm.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 19. South southwest wind 5 to 10 mph.

    High: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1. West southwest wind around 5 mph.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow. Patchy blowing snow after 3pm. High near 25. Blustery, with an east wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around 5 inches.
Tonight
A 40 percent chance of snow before 8pm. Mostly cloudy, with a low around 8. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 17. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 4. West northwest wind around 5 mph becoming calm.
Monday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 19. South southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 1. West southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 25.
Wednesday Night
Partly cloudy, with a low around -8.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 42.98°N 96.01°W (Elev. 1283 ft)
Last Update:
6:28 am CST Nov 29, 2025
Forecast Valid:
6am CST Nov 29, 2025-6pm CST Dec 5, 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