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.

Fair

-1°F

-18°C

Humidity 33%
Wind Speed NW 9 mph
Barometer 30.75 in (1044.8 mb)
Dewpoint -23°F (-31°C)
Visibility 10.00 mi
Wind Chill-16°F (-27°C)
Last update 23 Jan 2:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Mostly cloudy and cold, with a high near -1. North wind 5 to 10 mph.

    High: -1 °F

    Cold

  • Tonight

    Tonight: A chance of flurries between midnight and 5am. Mostly cloudy, with a low around -4. North wind around 5 mph becoming east southeast after midnight.

    Low: -4 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly cloudy, with a high near 10. Calm wind becoming south around 5 mph in the morning.

    High: 10 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -3. South southeast wind around 5 mph becoming calm in the evening.

    Low: -3 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 14. Light and variable wind becoming north northwest 5 to 10 mph in the morning.

    High: 14 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -7. North northwest wind 5 to 10 mph.

    Low: -7 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Monday Night

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

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy and cold, with a high near -1. North wind 5 to 10 mph.
Tonight
A chance of flurries between midnight and 5am. Mostly cloudy, with a low around -4. North wind around 5 mph becoming east southeast after midnight.
Saturday
Mostly cloudy, with a high near 10. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around -3. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 14. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around -7. North northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
2:58 pm CST Jan 23, 2026
Forecast Valid:
3pm CST Jan 23, 2026-6pm CST Jan 29, 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