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

2°F

-17°C

Humidity 80%
Wind Speed Calm
Barometer 30.65 in (1040.5 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 23 Feb 7:52 am CST
Extended Forecast for

South Sioux City NE

  • Today

    Today: Increasing clouds, with a high near 29. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 29 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Breezy, with a south wind 10 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North northwest wind 5 to 10 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Partly sunny, with a high near 42. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 29. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 17. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 55. Breezy, with a south wind 10 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North northwest wind 5 to 10 mph.
Wednesday
A chance of rain and snow after noon. Partly sunny, with a high near 42. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 64.
Friday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 35.
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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:
7:18 am CST Feb 23, 2026
Forecast Valid:
8am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation