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

15°F

-9°C

Humidity 53%
Wind Speed Vrbl 7 mph
Barometer 30.61 in (1038.9 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 23 Feb 10:52 am CST
Extended Forecast for

Sioux City IA

  • Today

    Today: Sunny, with a high near 28. South wind around 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Sunny

  • Tonight

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

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Partly sunny, with a high near 41. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 41 °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 22. Southeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °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 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 28. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 17. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 53. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph.
Wednesday
A chance of rain and snow after noon. Partly sunny, with a high near 41. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 40%. 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 22. Southeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 63.
Friday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 38.
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 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
10:43 am CST Feb 23, 2026
Forecast Valid:
11am CST Feb 23, 2026-6pm CST Mar 1, 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