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

69°F

21°C

Humidity 76%
Wind Speed SE 13 mph
Barometer 29.87 in (1010.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Oct 6:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Sunny, with a high near 90. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 90 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 4am and 5am. Mostly clear, with a low around 68. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 85. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 49. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 62. North wind 5 to 10 mph.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
A slight chance of showers and thunderstorms between 4am and 5am. Mostly clear, with a low around 68. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 85. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 49. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 62. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
6:18 am CDT Oct 4, 2025
Forecast Valid:
7am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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