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

76°F

24°C

Humidity 58%
Wind Speed S 10 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 30 Aug 3:52 pm CDT
Extended Forecast for

South Sioux City NE

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East southeast wind around 5 mph.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 62. East southeast wind around 5 mph becoming north northeast in the evening.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Patchy fog before 9am. High near 69. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 60. East wind around 5 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Labor Day

    Labor Day: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 69. East southeast wind around 5 mph. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 56. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 7pm. Partly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East southeast wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 62. East southeast wind around 5 mph becoming north northeast in the evening.
Sunday
Showers and possibly a thunderstorm. Patchy fog before 9am. High near 69. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 60. East wind around 5 mph. Chance of precipitation is 70%.
Labor Day
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 69. East southeast wind around 5 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 56. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, with thunderstorms also possible after 7pm. Partly cloudy, with a low around 53. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.48°N 96.41°W (Elev. 1093 ft)
Last Update:
4:26 pm CDT Aug 30, 2025
Forecast Valid:
4pm CDT Aug 30, 2025-6pm CDT Sep 6, 2025
 
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