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

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

57°F

14°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Jun 3:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Partly sunny, with a high near 80. North wind around 5 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. East southeast wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Southeast wind around 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 86. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 86 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 74 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Today
Partly sunny, with a high near 80. North wind around 5 mph.
Tonight
Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 83. East southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 63. Southeast wind around 10 mph.
Saturday
Mostly cloudy, with a high near 86. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 77.
Monday
Mostly sunny and hot, with a high near 99.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
Mostly sunny and hot, with a high near 96.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
1:33 am CDT Jun 25, 2026
Forecast Valid:
4am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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