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.

Overcast

13°F

-11°C

Humidity 59%
Wind Speed NE 8 mph
Barometer 30.32 in (1028.5 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 29 Jan 2:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A 20 percent chance of snow after 5am. Cloudy, with a low around 10. East northeast wind around 5 mph.

    Low: 10 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 10am. Cloudy, with a high near 22. East northeast wind around 5 mph becoming calm.

    High: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 2 °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 -6. North wind around 5 mph becoming calm after midnight.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 20. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Cloudy, with a low around 10. East northeast wind around 5 mph.
Thursday
A 30 percent chance of snow, mainly before 10am. Cloudy, with a high near 22. East northeast wind around 5 mph becoming calm.
Thursday Night
Mostly cloudy, with a low around 2. 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 -6. North wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 20. Light and variable wind becoming south 5 to 10 mph in the morning.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 33.
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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:
11:47 pm CST Jan 28, 2026
Forecast Valid:
3am CST Jan 29, 2026-6pm CST Feb 4, 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