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

64°F

18°C

Humidity 78%
Wind Speed SE 18 G 29 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Apr 4:52 pm CDT
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a high near 62. South southeast wind around 15 mph, with gusts as high as 30 mph.

    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. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    and Breezy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. South wind 5 to 10 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday 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 52. Southwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 80.

    High: 80 °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 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a high near 62. South southeast wind around 15 mph, with gusts as high as 30 mph.
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. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. South wind 5 to 10 mph.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday 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 52. Southwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49.
Wednesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 52.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 67. Breezy.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 51.
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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:
2:43 pm CDT Apr 11, 2026
Forecast Valid:
5pm CDT Apr 11, 2026-6pm CDT Apr 18, 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