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

38°F

3°C

Humidity 43%
Wind Speed E 9 mph
Barometer 29.98 in (1015.5 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 29 Mar 2:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 44. Southeast wind around 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 76. South southeast wind around 10 mph.

    High: 76 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. South wind around 5 mph becoming east southeast after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 82. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 82 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. West wind 5 to 15 mph becoming east after midnight. Winds could gust as high as 25 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 55. Breezy, with a north northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 44. Southeast wind around 15 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 76. South southeast wind around 10 mph.
Sunday Night
Mostly clear, with a low around 44. South wind around 5 mph becoming east southeast after midnight.
Monday
Increasing clouds, with a high near 82. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 44. West wind 5 to 15 mph becoming east after midnight. Winds could gust as high as 25 mph.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 55. Breezy, with a north northwest wind around 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 47.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Friday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 51. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
3:03 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 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