National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

A Few Clouds

82°F

28°C

Humidity 37%
Wind Speed S 10 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 1 Oct 5:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 8pm and 11pm. Partly cloudy, with a low around 61. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. South southeast wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Breezy.

    Low: 65 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 8pm and 11pm. Partly cloudy, with a low around 61. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 87. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 61. South southeast wind around 5 mph.
Friday
Sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 90. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 65. Breezy.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 49.
Monday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
4:18 pm CDT Oct 1, 2025
Forecast Valid:
5pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation