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.

Mostly Cloudy

14°F

-10°C

Humidity 77%
Wind Speed Calm
Barometer 30.27 in (1027.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 22 Jan 8:52 am CST
Extended Forecast for

Sioux City IA

Extreme Cold Warning January 23, 12:00am until January 23, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • Today

    Today: Mostly cloudy, with a high near 22. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 22 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around -12. Wind chill values as low as -27. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: -12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 0. Wind chill values as low as -29. North wind 5 to 10 mph.

    High: 0 °F

    Cold

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after midnight. Cloudy, with a low around -4. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: -4 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 8. South wind around 5 mph.

    High: 8 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -4. South southeast wind around 5 mph.

    Low: -4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5.

    Low: -5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 22. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -12. Wind chill values as low as -27. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy and cold, with a high near 0. Wind chill values as low as -29. North wind 5 to 10 mph.
Friday Night
A 40 percent chance of snow, mainly after midnight. Cloudy, with a low around -4. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 8. South wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around -4. South southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Mostly clear, with a low around -5.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
9:28 am CST Jan 22, 2026
Forecast Valid:
9am CST Jan 22, 2026-6pm CST Jan 28, 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