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

38°F

3°C

Humidity 89%
Wind Speed W 3 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 Mar 7:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Sunny, with a high near 81. West northwest wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. South wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. South southeast wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57. North wind around 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. North wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. West northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 87. South wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 45. South southeast wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.
Sunday
Partly sunny, with a high near 57. North wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 30. North wind 5 to 10 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 62.
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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:
8:17 am CDT Mar 20, 2026
Forecast Valid:
8am CDT Mar 20, 2026-6pm CDT Mar 26, 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