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

10°F

-12°C

Humidity 80%
Wind Speed SW 6 mph
Barometer 30.48 in (1034.7 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Dec 6:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly clear, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Light and variable wind becoming west northwest 5 to 10 mph in the morning.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West northwest wind 5 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. West northwest wind around 5 mph becoming north northeast in the afternoon.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. North northeast wind around 5 mph becoming calm after midnight.

    Low: 17 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 31. Calm wind becoming south around 5 mph in the morning.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Calm wind.
Tuesday
Mostly sunny, with a high near 40. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 25. West northwest wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 38. West northwest wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 17. North northeast wind around 5 mph becoming calm after midnight.
New Year's Day
Partly sunny, with a high near 31. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 43.
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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:
5:03 pm CST Dec 29, 2025
Forecast Valid:
7pm CST Dec 29, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation