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.

Smoke

61°F

16°C

Humidity 97%
Wind Speed SE 5 mph
Barometer 30.08 in (1018.2 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 4 Aug 12:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Scattered showers and thunderstorms, mainly after 5am. Areas of smoke before 3am. Mostly cloudy, with a low around 61. South southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    T-storms

  • Monday

    Monday: Scattered showers and thunderstorms, mainly between 8am and 11am. Partly sunny, with a high near 77. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 77 °F

    Scattered
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South southeast wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South southeast wind around 10 mph.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers and thunderstorms, mainly after 5am. Areas of smoke before 3am. Mostly cloudy, with a low around 61. South southeast wind around 5 mph. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms, mainly between 8am and 11am. Partly sunny, with a high near 77. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 62. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South southeast wind around 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South southeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 83.
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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:
10:30 pm CDT Aug 3, 2025
Forecast Valid:
1am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
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