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.

Thunderstorm Rain Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed E 17 G 24 mph
Barometer 29.95 in (1013.3 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 14 Aug 6:52 am CDT
Extended Forecast for

Sergeant Bluff IA

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 9am, then a chance of showers and thunderstorms after 9am. High near 77. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming north around 5 mph.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northwest wind around 5 mph.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 9am, then a chance of showers and thunderstorms after 9am. High near 77. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Mostly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming north around 5 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northwest wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. North wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 74.
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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:
6:58 am CDT Aug 14, 2026
Forecast Valid:
7am CDT Aug 14, 2026-6pm CDT Aug 20, 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