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

23°F

-5°C

Humidity 36%
Wind Speed NW 3 mph
Barometer 30.32 in (1028.8 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 29 Jan 4:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 2. Northeast wind around 5 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. North northeast wind 5 to 10 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -4. North wind around 5 mph becoming calm in the evening.

    Low: -4 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Snow. Low around 16. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 40. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 40 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Monday Night

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

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 2. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 13. North northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around -4. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 23. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Snow. Low around 16. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 40. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 33.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
3:18 pm CST Jan 29, 2026
Forecast Valid:
5pm CST Jan 29, 2026-6pm CST Feb 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