National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

38°F

3°C

Humidity 83%
Wind Speed NW 6 mph
Barometer 29.94 in (1014.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 14 Feb 10:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind around 5 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 38. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 64. South southwest wind around 5 mph becoming southeast in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. East southeast wind 5 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 72. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow after midnight. Partly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 38. South wind 5 to 15 mph, with gusts as high as 20 mph.
Washington's Birthday
Mostly sunny, with a high near 64. South southwest wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 43. East southeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 72. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 56.
Wednesday Night
A slight chance of rain and snow after midnight. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 40.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 37.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 41.
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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:
10:03 pm CST Feb 14, 2026
Forecast Valid:
11pm CST Feb 14, 2026-6pm CST Feb 21, 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