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 NW 3 mph
Barometer 30.70 in (1041.9 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 23 Feb 3:52 am CST
Extended Forecast for

Sioux City IA

  • Today

    Today: Sunny, with a high near 27. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph, with gusts as high as 20 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 north 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 27. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 18. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 54. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph, with gusts as high as 20 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 north 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 96.41°W (Elev. 1106 ft)
Last Update:
3:43 am CST Feb 23, 2026
Forecast Valid:
4am CST Feb 23, 2026-6pm CST Mar 1, 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