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 and Breezy

48°F

9°C

Humidity 25%
Wind Speed NW 22 G 30 mph
Barometer 30.64 in (1038.5 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 27 Mar 4:52 pm CDT
Extended Forecast for

Sioux City IA

Red Flag Warning March 28, 10:00am until March 28, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 24. North northwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 25 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. South southeast wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. East wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Tuesday Night

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

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. North northwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 64. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Saturday Night
Partly cloudy, with a low around 40. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 76. South southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 43. East wind around 5 mph.
Monday
Partly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 58.
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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:
4:28 pm CDT Mar 27, 2026
Forecast Valid:
5pm CDT Mar 27, 2026-6pm CDT Apr 3, 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