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

-3°F

-19°C

Humidity 86%
Wind Speed W 7 mph
Barometer 30.62 in (1039.9 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-17°F (-27°C)
Last update 13 Dec 10:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly clear, with a low around -11. Northwest wind around 5 mph becoming calm after midnight.

    Low: -11 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 18. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 18 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 20 by 3am. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 14 °F⇑

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 34. South southwest wind around 5 mph becoming calm in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. South wind around 5 mph becoming west northwest in the afternoon.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -11. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 18. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a temperature rising to around 20 by 3am. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 34. South southwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 40. South wind around 5 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 37.
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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:
10:48 pm CST Dec 13, 2025
Forecast Valid:
11pm CST Dec 13, 2025-6pm CST Dec 20, 2025
 
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