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

65°F

18°C

Humidity 84%
Wind Speed S 20 G 30 mph
Barometer 29.65 in (1003.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Apr 4:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Partly sunny, with a high near 86. South wind around 15 mph, with gusts as high as 30 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 5 to 10 mph becoming south southeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming north after midnight.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. North wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 51. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 86. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 55. West wind 5 to 10 mph becoming south southeast after midnight.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming north after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. North wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, 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 32. Chance of precipitation is 30%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 48. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
3:43 am CDT Apr 12, 2026
Forecast Valid:
5am CDT Apr 12, 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