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.

Fog/Mist

17°C

62°F

Humidity 96%
Wind Speed Calm
Barometer 1016.2 mb (30.02 in)
Dewpoint 16°C (61°F)
Visibility 4.02 km
Last update 12 Jul 11:52 pm CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly clear, with a low around 15. South southeast wind 5 to 10 km/h.

    Low: 15 °C

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 32. South southwest wind 10 to 15 km/h.

    High: 32 °C

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 18. South wind 5 to 10 km/h.

    Low: 18 °C

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. South wind 5 to 15 km/h.

    High: 33 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. South southeast wind 10 to 15 km/h.

    Low: 21 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. South wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 32 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.

    Low: 19 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16.

    Low: 16 °C

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 15. South southeast wind 5 to 10 km/h.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 32. South southwest wind 10 to 15 km/h.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 18. South wind 5 to 10 km/h.
Monday
Sunny, with a high near 33. South wind 5 to 15 km/h.
Monday Night
Mostly clear, with a low around 21. South southeast wind 10 to 15 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. South wind 10 to 20 km/h, with gusts as high as 35 km/h.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 27.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 m)
Last Update:
10:31 pm CDT Jul 12, 2025
Forecast Valid:
12am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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