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 64%
Wind Speed NE 10 mph
Barometer 29.72 in (1006.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Apr 11:52 pm CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A chance of showers, mainly before 3am, then a chance of sprinkles after 5am. Mostly cloudy, with a low around 49. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 46. Northeast wind around 5 mph becoming west southwest after midnight.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 55. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 74. Breezy, with a south southeast wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 40%.

    Low: 32 °F

    Breezy.
    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly before 3am, then a chance of sprinkles after 5am. Mostly cloudy, with a low around 49. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Northeast wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 46. Northeast wind around 5 mph becoming west southwest after midnight.
Thursday
Sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 55. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 74. Breezy, with a south southeast wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 47. Breezy.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 76.
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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:
11:38 pm CDT Apr 14, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation