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

66°F

19°C

Humidity 81%
Wind Speed W 3 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 30 Jun 11:52 pm CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Clear, with a low around 59. Northwest wind around 5 mph becoming calm.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. West northwest wind around 5 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 68. South wind 5 to 10 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Thursday Night

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

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 59. Northwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 86. West northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 68. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 73.
Independence Day
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
10:31 pm CDT Jun 30, 2025
Forecast Valid:
12am CDT Jul 1, 2025-6pm CDT Jul 7, 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