


News Headlines
Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Fair
72°F
22°C
Humidity | 94% |
Wind Speed | SE 8 mph |
Barometer | 29.95 in (1013.3 mb) |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Last update | 15 Jul 1:52 am CDT |
Extended Forecast for
Sioux City IA
Overnight
Low: 68 °F
Partly Cloudy
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 66 °F
Chance
T-storms then
T-storms
LikelyWednesday
High: 81 °F
Chance
ShowersWednesday Night
Low: 59 °F
Chance
T-storms then
Chance
ShowersThursday
High: 75 °F
Partly Sunny
Thursday Night
Low: 59 °F
Partly Cloudy
Friday
High: 81 °F
Mostly Sunny
Friday Night
Low: 66 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Overnight
Partly cloudy, with a low around 68. South southeast wind around 10 mph.
Tuesday
Sunny, with a high near 91. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 66. South southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. West wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. North wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 75. North northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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)
42.5°N 96.39°W (Elev. 1099 ft)
11:32 pm CDT Jul 14, 2025
2am CDT Jul 15, 2025-6pm CDT Jul 21, 2025