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.

Mostly Cloudy

28°F

-2°C

Humidity 81%
Wind Speed SE 13 mph
Barometer 29.82 in (1011.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 17 Mar 10:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Partly cloudy, with a low around 27. South southeast wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. West northwest wind around 5 mph.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. South southeast wind around 5 mph becoming northwest after midnight.

    Low: 37 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 65. Northwest wind around 5 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. East wind around 5 mph becoming south southwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. South southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 58. West northwest wind around 5 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. South southeast wind around 5 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 65. Northwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 41. East wind around 5 mph becoming south southwest after midnight.
Friday
Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 51.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 56.
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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:
8:13 pm CDT Mar 17, 2026
Forecast Valid:
11pm CDT Mar 17, 2026-6pm CDT Mar 24, 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