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.

Mostly Cloudy

52°F

11°C

Humidity 75%
Wind Speed NE 3 mph
Barometer 29.75 in (1007.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 Apr 3:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A slight chance of showers before 5am, then a chance of sprinkles after 5am. Mostly cloudy, with a low around 49. East northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight 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 53. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 70. Breezy, with a south southeast wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph.

    High: 70 °F

    Slight Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: 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 31. Blustery. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Blustery.

    Low: 28 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
A slight chance of showers before 5am, then a chance of sprinkles after 5am. Mostly cloudy, with a low around 49. East northeast wind around 5 mph. Chance of precipitation is 20%.
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 53. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 70. Breezy, with a south southeast wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph.
Friday Night
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 31. Blustery. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 28. Blustery.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 77.
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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 Apr 15, 2026
Forecast Valid:
4am 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