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

-7°F

-22°C

Humidity 47%
Wind Speed N 20 G 26 mph
Barometer 30.71 in (1042.7 mb)
Dewpoint -22°F (-30°C)
Visibility 10.00 mi
Wind Chill-31°F (-35°C)
Last update 23 Jan 2:52 am CST
Extended Forecast for

Sioux City IA

Extreme Cold Warning January 23, 03:34am until January 23, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 03:34am until January 23, 09:00am

    NOW until 9:00am Fri

    Extreme Cold Warning

  • Overnight

    Low: -7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 1. Wind chill values as low as -31. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 1 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around -3. North wind around 5 mph becoming east southeast after midnight.

    Low: -3 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 8. Calm wind becoming south southeast around 5 mph.

    High: 8 °F

    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: Partly sunny, with a high near 14. East southeast wind around 5 mph becoming north northwest in the afternoon.

    High: 14 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around -7. Wind chill values as low as -30. North wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 1. Wind chill values as low as -31. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around -3. North wind around 5 mph becoming east southeast after midnight.
Saturday
Mostly cloudy, with a high near 8. Calm wind becoming south southeast around 5 mph.
Saturday Night
Mostly cloudy, with a low around -4. South southeast wind around 5 mph.
Sunday
Partly sunny, with a high near 14. East southeast wind around 5 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Partly cloudy, with a low around -1.
Thursday
Mostly sunny, with a high near 17.
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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:
3:18 am CST Jan 23, 2026
Forecast Valid:
3am 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