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.

Fair

10°F

-12°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.43 in (1032.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 1 Mar 1:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. East northeast wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 36. East southeast wind 5 to 10 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. South southeast wind 5 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 46. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of rain. Cloudy, with a low around 34. South southeast wind 5 to 10 mph.

    Low: 34 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northeast wind around 5 mph.

    High: 51 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. East northeast wind around 5 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 36. East southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 24. South southeast wind 5 to 10 mph.
Monday
Cloudy, with a high near 46. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of rain. Cloudy, with a low around 34. South southeast wind 5 to 10 mph.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northeast wind around 5 mph.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 59.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 58.
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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:
12:53 am CST Mar 1, 2026
Forecast Valid:
2am CST Mar 1, 2026-6pm CST Mar 7, 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