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

62°F

17°C

Humidity 93%
Wind Speed E 5 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 28 Aug 12:52 am CDT
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. East wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 69. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. South wind around 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. East wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 69. South southeast wind around 15 mph, with gusts as high as 25 mph.
Saturday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 74. South wind around 10 mph.
Sunday
Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
12:43 am CDT Aug 28, 2026
Forecast Valid:
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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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