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.

Overcast

73°F

23°C

Humidity 94%
Wind Speed NE 8 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 4 Jul 4:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A 20 percent chance of showers. Areas of fog. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    Showers and
    Areas Fog

  • Independence Day

    Independence Day: Areas of fog before 10am. Otherwise, partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 66. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 66 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming north northeast around 5 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Monday Night

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

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Areas of fog. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Independence Day
Areas of fog before 10am. Otherwise, partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 66. North wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 87. Calm wind becoming north northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Partly sunny, with a high near 90.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 88.
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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:
3:38 am CDT Jul 4, 2026
Forecast Valid:
5am CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
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