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

47°F

8°C

Humidity 90%
Wind Speed N 6 mph
Barometer 29.74 in (1006.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 15 Apr 6:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: 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

  • Tonight

    Tonight: A 20 percent chance of showers between 8pm and 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 southwest 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 52. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °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 slight chance of rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 31. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow and
    Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

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

    Low: 28 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
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%.
Tonight
A 20 percent chance of showers between 8pm and 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 southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 52. 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 slight chance of rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 31. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 50. Breezy.
Saturday Night
Mostly clear, with a low around 28. Blustery.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 49.
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 96.41°W (Elev. 1106 ft)
Last Update:
6:53 am CDT Apr 15, 2026
Forecast Valid:
7am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation