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

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

A Few Clouds

16°F

-9°C

Humidity 54%
Wind Speed Calm
Barometer 30.31 in (1028.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 28 Jan 3:52 am CST
Extended Forecast for

Sioux City IA

  • Today

    Today: Mostly sunny, with a high near 26. Calm wind becoming north northwest around 5 mph.

    High: 26 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Increasing clouds, with a low around 11. North northeast wind around 5 mph becoming calm.

    Low: 11 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 21. East northeast wind around 5 mph becoming calm.

    High: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. North northeast wind 5 to 10 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -5. North wind around 5 mph becoming calm in the evening.

    Low: -5 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 26. Calm wind becoming north northwest around 5 mph.
Tonight
A 20 percent chance of snow after 3am. Increasing clouds, with a low around 11. North northeast wind around 5 mph becoming calm.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 21. East northeast wind around 5 mph becoming calm.
Thursday Night
Mostly cloudy, with a low around 0. Calm wind becoming north northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 13. North northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around -5. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 12.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
3:18 am CST Jan 28, 2026
Forecast Valid:
4am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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