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

55°F

13°C

Humidity 42%
Wind Speed W 10 mph
Barometer 29.88 in (1012.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 31 Dec 1:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. West wind 5 to 15 mph becoming north.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 16. North wind 10 to 15 mph becoming light and variable after midnight.

    Low: 16 °F

    Decreasing
    Clouds

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 33. Calm wind becoming south around 5 mph in the morning.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Southeast wind around 5 mph becoming calm.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. Calm wind becoming east around 5 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 22. East wind around 5 mph becoming calm.

    Low: 22 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. West wind 5 to 15 mph becoming north.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 16. North wind 10 to 15 mph becoming light and variable after midnight.
New Year's Day
Mostly sunny, with a high near 33. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 21. Southeast wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 31. Calm wind becoming east around 5 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 22. East wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
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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:
1:43 pm CST Dec 31, 2025
Forecast Valid:
2pm CST Dec 31, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation