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 and Breezy

17°F

-8°C

Humidity 70%
Wind Speed NW 22 G 43 mph
Barometer 29.74 in (1008.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 19 Feb 10:52 pm CST
Extended Forecast for

Sioux City IA

Winter Weather Advisory February 19, 11:25pm until February 20, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 19, 11:25pm until February 20, 12:00am

    NOW until 12:00am Fri

    Winter Weather Advisory

  • Tonight

    Low: 12 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Becoming
    Sunny

  • Friday Night

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

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 11. North northwest wind around 10 mph.

    Low: 11 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 31. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

Tonight
A chance of snow, mainly before 1am, then a chance of flurries after 2am. Cloudy, with a low around 12. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 12. Northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 34. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 11. North northwest wind around 10 mph.
Sunday
Sunny, with a high near 31. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 6.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 29.
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
A slight chance of rain and snow. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
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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:
10:58 pm CST Feb 19, 2026
Forecast Valid:
11pm CST Feb 19, 2026-6pm CST Feb 26, 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