


Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Mostly Cloudy
80°F
27°C
Humidity | 76% |
Wind Speed | SE 9 mph |
Barometer | 29.93 in (1012.9 mb) |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 84°F (29°C) |
Last update | 18 Jul 6:52 pm CDT |
Extended Forecast for
Sioux City IA
Tonight
Low: 68 °F
Severe
ThunderstormsSaturday
High: 81 °F
Severe
ThunderstormsSaturday Night
Low: 65 °F
Chance
T-stormsSunday
High: 83 °F
Chance
ShowersSunday Night
Low: 69 °F
Slight Chance
T-stormsMonday
High: 89 °F
Mostly Sunny
Monday Night
Low: 71 °F
Partly Cloudy
then Chance
T-stormsTuesday
High: 91 °F
Mostly Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
then Chance
T-storms
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly between 2am and 4am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 68. South southeast wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Partly sunny, with a high near 81. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. East northeast wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 83. East southeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 89. East southeast wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sioux City IA
42.5°N 96.41°W (Elev. 1106 ft)
42.5°N 96.41°W (Elev. 1106 ft)
6:46 pm CDT Jul 18, 2025
7pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025