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

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 29.81 in (1010.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 6 Jan 8:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. South wind around 5 mph.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 33. South wind around 5 mph becoming calm.

    Low: 33 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 44. North wind 5 to 10 mph.

    High: 44 °F

    Cloudy then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. North northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 39. North northwest wind 5 to 10 mph.

    High: 39 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 56. South wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 33. South wind around 5 mph becoming calm.
Thursday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 44. North wind 5 to 10 mph.
Thursday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. North northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 39. North northwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 16.
Sunday
Sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 44.
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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:
8:08 pm CST Jan 6, 2026
Forecast Valid:
9pm CST Jan 6, 2026-6pm CST Jan 13, 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