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

13°F

-11°C

Humidity 67%
Wind Speed W 6 mph
Barometer 30.10 in (1021.5 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 20 Feb 9:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 27. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4. North wind 5 to 10 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. North wind 5 to 10 mph becoming south in the afternoon.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 12. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 9. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 27. North northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 4. North wind 5 to 10 mph.
Monday
Sunny, with a high near 29. North wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 66.
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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:
9:53 pm CST Feb 20, 2026
Forecast Valid:
10pm CST Feb 20, 2026-6pm CST Feb 27, 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