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 76%
Wind Speed SW 7 mph
Barometer 30.21 in (1024.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Jan 8:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Increasing clouds, with a low around 27. South wind around 5 mph becoming north northwest after midnight.

    Low: 27 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 54. West southwest wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. West southwest wind 5 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Breezy, with a north wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 27. South wind around 5 mph becoming north northwest after midnight.
Monday
Mostly sunny, with a high near 54. West southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 36. West southwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 34. Breezy, with a north wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 41.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 28.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 35.
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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:
9:13 pm CST Jan 11, 2026
Forecast Valid:
9pm CST Jan 11, 2026-6pm CST Jan 18, 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