Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Thunderstorm in Vicinity Light Rain Fog/Mist

66°F

19°C

Humidity 93%
Wind Speed W 3 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 24 Aug 5:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Showers and thunderstorms likely, mainly before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South southeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 8am and 9am.  Mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. West wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 63. South southeast wind around 5 mph.
Tuesday
A slight chance of showers and thunderstorms between 8am and 9am. Mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 62. West wind around 5 mph.
Wednesday
Sunny, with a high near 82. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
5:13 am CDT Aug 24, 2026
6am CDT Aug 24, 2026-6pm CDT Aug 30, 2026
 
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