Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Fog/Mist
74°F
23°C
| Humidity | 97% |
| Wind Speed | E 7 mph |
| Barometer | 29.96 in (1013.4 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 6.00 mi |
| Last update | 6 Sep 5:52 am CDT |
Extended Forecast for
Sioux City IA
Today
High: 87 °F
Slight Chance
T-storms then
Showers
LikelyTonight

Low: 69 °F
Chance
ShowersLabor Day

High: 89 °F
Partly Sunny
Monday Night
Low: 73 °F
Partly Cloudy
then Chance
T-stormsTuesday

High: 89 °F
Showers
LikelyTuesday Night

Low: 63 °F
Partly Cloudy
Wednesday

High: 81 °F
Mostly Sunny
Wednesday Night

Low: 58 °F
Mostly Clear
Thursday

High: 83 °F
Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 69. East southeast wind around 10 mph, with gusts as high as 20 mph.
Labor Day
Partly sunny, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 89. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sioux City IA
42.5°N 96.39°W (Elev. 1099 ft)
42.5°N 96.39°W (Elev. 1099 ft)
5:48 am CDT Sep 6, 2026
6am CDT Sep 6, 2026-6pm CDT Sep 12, 2026



