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Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

15°F

-9°C

Humidity 70%
Wind Speed NW 12 mph
Barometer 30.22 in (1025.2 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 22 Jan 3:52 am CST
Extended Forecast for

Sioux City IA

Extreme Cold Warning January 23, 12:00am until January 23, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • Today

    Today: Mostly cloudy, with a high near 24. West wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 24 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around -12. Wind chill values as low as -27. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: -12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 0. Wind chill values as low as -29. North wind 5 to 10 mph.

    High: 0 °F

    Cold

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly after midnight. Cloudy, with a low around -4. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: -4 °F

    Slight Chance
    Snow then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 8. South wind around 5 mph.

    High: 8 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -4. South southeast wind around 5 mph.

    Low: -4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5.

    Low: -5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 24. West wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around -12. Wind chill values as low as -27. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy and cold, with a high near 0. Wind chill values as low as -29. North wind 5 to 10 mph.
Friday Night
A 50 percent chance of snow, mainly after midnight. Cloudy, with a low around -4. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 8. South wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around -4. South southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Mostly clear, with a low around -5.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 26.
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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:
3:17 am CST Jan 22, 2026
Forecast Valid:
4am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation