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.

Fog

60°F

16°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 59°F (15°C)
Visibility 0.50 mi
Last update 10 Sep 6:52 am CDT
Extended Forecast for

Sioux City IA

Dense Fog Advisory September 10, 07:03am until September 10, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory September 10, 07:03am until September 10, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 81 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. Southeast wind around 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. South wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 61. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 85. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 67. Southeast wind around 10 mph.
Friday
Mostly sunny, with a high near 88. South southeast wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 70. South wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 87.
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:
6:41 am CDT Sep 10, 2025
Forecast Valid:
7am CDT Sep 10, 2025-6pm CDT Sep 16, 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