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.

Overcast

12°F

-11°C

Humidity 70%
Wind Speed NW 20 G 28 mph
Barometer 29.85 in (1012.5 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 20 Feb 4:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Flurries. Mostly cloudy, with a low around 12. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Flurries

  • Friday

    Friday: Flurries before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 29 °F

    Flurries

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. North northwest wind around 5 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 33. Northwest wind 5 to 10 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Flurries. Mostly cloudy, with a low around 12. Northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Flurries before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 12. North northwest wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 33. Northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 10. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 29. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 3.
Monday
Sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 55.
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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:
4:58 am CST Feb 20, 2026
Forecast Valid:
5am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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