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.

Fair

93°F

34°C

Humidity 73%
Wind Speed SE 8 mph
Barometer 29.75 in (1006.1 mb)
Dewpoint 83°F (28°C)
Visibility 10.00 mi
Heat Index118°F (48°C)
Last update 26 Jul 7:52 pm CDT
Extended Forecast for

2 Miles NNE Sioux Gateway Airport IA

Heat Advisory July 27, 01:00pm until July 27, 08:00pm
Extreme Heat Warning July 26, 08:24pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Extreme Heat Warning July 26, 08:24pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 78 °F

    Chance
    T-storms

  • Monday

    Monday: Patchy smoke between 10am and 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 100. North northeast wind 5 to 10 mph.

    High: 96 °F

    Patchy Smoke

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. North northeast wind around 5 mph becoming calm after midnight.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 90. Calm wind becoming east around 5 mph.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. South southeast wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Monday
Patchy smoke between 10am and 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 100. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 72. North northeast wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 90. Calm wind becoming east around 5 mph.
Tuesday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 91. South southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Sioux Gateway Airport IA
 42.43°N 96.35°W (Elev. 1230 ft)
Last Update:
7:18 pm CDT Jul 26, 2026
Forecast Valid:
8pm CDT Jul 26, 2026-6pm CDT Aug 2, 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