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

9°F

-13°C

Humidity 88%
Wind Speed E 5 mph
Barometer 30.36 in (1030.6 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 30 Dec 12:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: 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. Winds could gust as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. 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

Overnight
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. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 25. 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:
10:18 pm CST Dec 29, 2025
Forecast Valid:
12am CST Dec 30, 2025-6pm CST Jan 5, 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