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

27°F

-3°C

Humidity 75%
Wind Speed Calm
Barometer 30.09 in (1019.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Feb 9:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Clear, with a low around 26. Calm wind.

    Low: 26 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming south around 5 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 35. South southeast wind around 5 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 61. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 61 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 26. Calm wind.
Friday
Sunny, with a high near 63. Calm wind becoming south around 5 mph.
Friday Night
Increasing clouds, with a low around 35. South southeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 61. South southeast wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 62. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40.
Washington's Birthday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
10:03 pm CST Feb 12, 2026
Forecast Valid:
10pm CST Feb 12, 2026-6pm CST Feb 19, 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