National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

23°F

-5°C

Humidity 53%
Wind Speed NW 14 mph
Barometer 30.35 in (1029.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 21 Feb 11:52 am CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 30. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 8. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 26. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2. North northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 26. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. South wind 5 to 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 30. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 8. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 26. North northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 2. North northwest wind 5 to 10 mph becoming light north after midnight.
Monday
Sunny, with a high near 26. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 15. South wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
A chance of rain and snow before midnight, then a slight chance of snow. Partly cloudy, with a low around 23. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 62.
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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:
11:04 am CST Feb 21, 2026
Forecast Valid:
12pm CST Feb 21, 2026-6pm CST Feb 27, 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