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.

A Few Clouds

42°F

6°C

Humidity 28%
Wind Speed W 8 mph
Barometer 30.13 in (1021.1 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Apr 8:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly clear, with a low around 32. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. North northwest wind 5 to 10 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming east southeast after midnight.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind around 5 mph becoming northeast in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Breezy.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. Breezy.

    Low: 61 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 32. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 59. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming east southeast after midnight.
Monday
Sunny, with a high near 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 49. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 81. West wind around 5 mph becoming northeast in the afternoon.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 85. Breezy.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. Breezy.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 39. Breezy.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 58. Breezy.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
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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:
8:38 pm CDT Apr 18, 2026
Forecast Valid:
9pm CDT Apr 18, 2026-6pm CDT Apr 25, 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