National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

45°F

7°C

Humidity 48%
Wind Speed NW 14 G 24 mph
Barometer 30.17 in (1022.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 10 Feb 2:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. North northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 52. Calm wind becoming south southwest around 5 mph in the morning.

    High: 52 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Cloudy, with a low around 35. South southeast wind 5 to 10 mph.

    Low: 35 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of sprinkles and flurries before 9am, then a chance of sprinkles between 9am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 53. South southeast wind 5 to 10 mph.

    High: 53 °F

    Chance
    Sprinkles/Flurries
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. East southeast wind around 5 mph becoming calm.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 25. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Increasing clouds, with a high near 52. Calm wind becoming south southwest around 5 mph in the morning.
Wednesday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 35. South southeast wind 5 to 10 mph.
Thursday
A chance of sprinkles and flurries before 9am, then a chance of sprinkles between 9am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 53. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 28. East southeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 38.
Washington's Birthday
Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
2:09 pm CST Feb 10, 2026
Forecast Valid:
3pm CST Feb 10, 2026-6pm CST Feb 16, 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