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.

Fog/Mist

37°F

3°C

Humidity 93%
Wind Speed W 5 mph
Barometer 29.87 in (1012.4 mb)
Dewpoint 35°F (2°C)
Visibility 6.00 mi
Wind Chill33°F (1°C)
Last update 26 Dec 12:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Patchy fog before 2pm. Otherwise, partly sunny, with a high near 44. Calm wind becoming south southeast around 5 mph.

    High: 44 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37. South southeast wind 5 to 10 mph.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 52. South southeast wind 5 to 10 mph.

    High: 52 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Light and variable wind becoming north northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature rising to near 28 by 10am, then falling to around 21 during the remainder of the day. Blustery, with a north northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 28 °F⇓

    Chance Snow
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Partly Cloudy
    and Blustery

  • Monday

    Monday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy fog before 2pm. Otherwise, partly sunny, with a high near 44. Calm wind becoming south southeast around 5 mph.
Tonight
Patchy fog before 1am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37. South southeast wind 5 to 10 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 52. South southeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 24. Light and variable wind becoming north northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature rising to near 28 by 10am, then falling to around 21 during the remainder of the day. Blustery, with a north northwest wind around 20 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 8. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 13.
New Year's Day
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
12:48 pm CST Dec 26, 2025
Forecast Valid:
1pm CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation