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 Index84°F (29°C)
Last update 18 Jul 6:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    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.

    Low: 68 °F

    Severe
    Thunderstorms

  • Saturday

    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%.

    High: 81 °F

    Severe
    Thunderstorms

  • Saturday Night

    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.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    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.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. East southeast wind 5 to 10 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. East southeast wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 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
 
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Additional Resources

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Hourly Weather Forecast

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