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

66°F

19°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 22 Aug 7:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 83. South wind around 5 mph becoming north northeast in the afternoon.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Calm wind becoming north northwest around 5 mph in the morning.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 83. South wind around 5 mph becoming north northeast in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 74. Calm wind becoming north northwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
8:11 am CDT Aug 22, 2025
Forecast Valid:
8am CDT Aug 22, 2025-6pm CDT Aug 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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