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

34°F

1°C

Humidity 44%
Wind Speed S 15 mph
Barometer 30.39 in (1030.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Jan 12:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 28. South wind 5 to 10 mph becoming west northwest after midnight.

    Low: 28 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 52. West southwest wind around 5 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming west northwest after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. North northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 40. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 28. South wind 5 to 10 mph becoming west northwest after midnight.
Monday
Mostly sunny, with a high near 52. West southwest wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming west northwest after midnight.
Tuesday
Mostly sunny, with a high near 57. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 26. North northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
A 20 percent chance of rain after noon. Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
1:03 pm CST Jan 11, 2026
Forecast Valid:
1pm CST Jan 11, 2026-6pm CST Jan 17, 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