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.

Rain Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed E 16 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 54°F (12°C)
Visibility 1.00 mi
Wind Chill51°F (11°C)
Last update 22 May 11:52 am CDT
Extended Forecast for

South Sioux City NE

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. High near 68. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Tonight

    Tonight: A chance of sprinkles before 9pm. Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph.

    Low: 46 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West northwest wind around 5 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. North wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56. South wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Memorial Day

    Memorial Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. High near 68. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of sprinkles before 9pm. Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 74. West northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 47. North wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 82. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56. South wind 5 to 10 mph.
Memorial Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
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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:
12:23 pm CDT May 22, 2026
Forecast Valid:
12pm CDT May 22, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation