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

73°F

23°C

Humidity 66%
Wind Speed S 8 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 23 Jun 8:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming west northwest after midnight.

    Low: 59 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 82. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind around 5 mph becoming calm.

    High: 79 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East southeast wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. South southeast wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 89. Breezy.

    High: 89 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming west northwest after midnight.
Wednesday
Sunny, with a high near 82. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 57. Northwest wind 5 to 10 mph becoming light north after midnight.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind around 5 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 57. East southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 82. South southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 89. Breezy.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny and hot, with a high near 97. Breezy.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny and hot, with a high near 97.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
6:38 pm CDT Jun 23, 2026
Forecast Valid:
9pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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