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

68°F

20°C

Humidity 78%
Wind Speed W 7 mph
Barometer 29.88 in (1010.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jul 2:52 am CDT
Extended Forecast for

South Sioux City NE

  • Overnight

    Overnight: Partly cloudy, with a low around 69. North northwest wind around 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 11am and noon. Increasing clouds, with a high near 80. Calm wind. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. North northwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 86. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 60. North wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Wednesday
A slight chance of showers between 11am and noon. Increasing clouds, with a high near 80. Calm wind. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 81. South wind 5 to 10 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny and hot, with a high near 95.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny and hot, with a high near 98.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.48°N 96.41°W (Elev. 1093 ft)
Last Update:
1:58 am CDT Jul 21, 2026
Forecast Valid:
3am CDT Jul 21, 2026-6pm CDT Jul 27, 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