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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 73. West wind around 5 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 78. Calm wind becoming south around 5 mph in the morning.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West southwest wind around 5 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 73. West wind around 5 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 78. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 78.
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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:
12:18 am CDT Sep 18, 2025
Forecast Valid:
12am CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
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