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

52°F

11°C

Humidity 80%
Wind Speed E 7 mph
Barometer 29.70 in (1005.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 May 5:52 am CDT
Extended Forecast for

South Sioux City NE

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 53. Northwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 86. North wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    High: 92 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 55. Breezy, with a south wind 15 to 20 mph becoming south southwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers and
    Breezy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 53. Northwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 86. North wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 55. Breezy, with a south wind 15 to 20 mph becoming south southwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Monday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 82. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%.
Tuesday
Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly 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
 42.46°N 96.41°W (Elev. 1102 ft)
Last Update:
5:53 am CDT May 15, 2026
Forecast Valid:
6am CDT May 15, 2026-6pm CDT May 21, 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