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.

Partly Cloudy

82°F

28°C

Humidity 74%
Wind Speed N 8 mph
Barometer 29.87 in (1010.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 8 Jul 8:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of rain between 10pm and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming east southeast after midnight. Chance of precipitation is 20%.

    Low: 66 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 86. Calm wind becoming east southeast around 5 mph.

    High: 86 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm after midnight.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of rain between 10pm and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 85. North wind around 5 mph.
Thursday Night
Increasing clouds, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 86. Calm wind becoming east southeast around 5 mph.
Friday Night
Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
8:53 pm CDT Jul 8, 2026
Forecast Valid:
9pm CDT Jul 8, 2026-6pm CDT Jul 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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