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.

Overcast

51°F

11°C

Humidity 89%
Wind Speed SE 16 G 25 mph
Barometer 30.09 in (1019.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 11 Apr 11:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: A slight chance of showers before noon, then a chance of showers and thunderstorms after 1pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 62. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 10pm, then a slight chance of drizzle after 1am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 57. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 80. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 54. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 54. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers after 1pm. Sunny, with a high near 77.

    High: 77 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before noon, then a chance of showers and thunderstorms after 1pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 62. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before 10pm, then a slight chance of drizzle after 1am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 57. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 80. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 54. South wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 54. South wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49.
Wednesday
A 40 percent chance of showers after 1pm. Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 47.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
11:28 am CDT Apr 11, 2026
Forecast Valid:
11am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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