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

72°F

22°C

Humidity 94%
Wind Speed SE 8 mph
Barometer 29.77 in (1007.3 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 30 Aug 12:52 am CDT
Extended Forecast for

South Sioux City NE

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 93. South southwest wind 5 to 10 mph.

    High: 93 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 72. South wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 72 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 89. West northwest wind around 5 mph becoming south southeast in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southwest wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 90 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 73. South wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 93. South southwest wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 72. South wind 5 to 10 mph becoming light south southeast after midnight.
Monday
Mostly sunny, with a high near 89. West northwest wind around 5 mph becoming south southeast in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.46°N 96.41°W (Elev. 1102 ft)
Last Update:
1:33 am CDT Aug 30, 2026
Forecast Valid:
1am CDT Aug 30, 2026-6pm CDT Sep 5, 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