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

45°F

7°C

Humidity 40%
Wind Speed SE 16 G 25 mph
Barometer 30.11 in (1020.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Feb 9:52 am CST
Extended Forecast for

Sioux City IA

  • Today

    Today: Sunny, with a high near 55. South southeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. North northwest wind around 5 mph becoming calm.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

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

    High: 61 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. North northwest wind around 5 mph becoming calm.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

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

    Low: 39 °F

    Mostly Cloudy

  • Washington's Birthday

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

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 55. South southeast wind 5 to 10 mph becoming northwest in the afternoon.
Tonight
Mostly clear, with a low around 27. North northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 35. South wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 61. South wind around 5 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 31. North northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 39.
Washington's Birthday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
8:48 am CST Feb 12, 2026
Forecast Valid:
10am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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