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.

Rain Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1011.3 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 16 Jul 12:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 66. West wind around 5 mph becoming north. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 77. North northwest wind 5 to 10 mph.

    High: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 55. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 75. East northeast wind around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East southeast wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 66. West wind around 5 mph becoming north. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 77. North northwest wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 55. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 75. East northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 57. East southeast wind around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 91.
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 96.39°W (Elev. 1099 ft)
Last Update:
12:07 am CDT Jul 16, 2025
Forecast Valid:
1am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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