Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

94°F

34°C

Humidity 10%
Wind Speed SW 16 mph
Barometer 29.54 in (999.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Mar 5:52 pm CDT
Extended Forecast for

South Sioux City NE

Red Flag Warning until March 21, 10:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until March 21, 10:00pm

    NOW until 10:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 43 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 57. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South southeast wind around 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. South wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. Breezy, with a southeast wind 10 to 15 mph becoming north northeast 20 to 25 mph in the evening. Winds could gust as high as 40 mph.
Sunday
Mostly sunny, with a high near 55. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 57. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 38. South southeast wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 66. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.48°N 96.41°W (Elev. 1093 ft)
5:43 pm CDT Mar 21, 2026
6pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
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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