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

-5°F

-21°C

Humidity 40%
Wind Speed NW 9 mph
Barometer 30.80 in (1046.6 mb)
Dewpoint -23°F (-31°C)
Visibility 10.00 mi
Wind Chill-21°F (-29°C)
Last update 23 Jan 12:52 pm CST
Extended Forecast for

Sergeant Bluff IA

Cold Weather Advisory January 23, 01:17pm until January 23, 03:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 01:17pm until January 23, 03:00pm

    NOW until 3:00pm Fri

    Cold Weather Advisory

  • This Afternoon

    High: -1 °F

    Cold

  • Tonight

    Tonight: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -5. North wind around 5 mph becoming east southeast after midnight.

    Low: -5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 9. South wind around 5 mph.

    High: 9 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5. South southeast wind around 5 mph.

    Low: -5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 14. East southeast wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 14 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -7. North northwest wind 5 to 10 mph becoming west southwest after midnight.

    Low: -7 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly cloudy and cold, with a high near -1. Wind chill values as low as -21. North wind around 10 mph.
Tonight
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -5. North wind around 5 mph becoming east southeast after midnight.
Saturday
Mostly cloudy, with a high near 9. South wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around -5. South southeast wind around 5 mph.
Sunday
Partly sunny, with a high near 14. East southeast wind 5 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around -7. North northwest wind 5 to 10 mph becoming west southwest after midnight.
Monday
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Partly cloudy, with a low around -1.
Thursday
Mostly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
Last Update:
12:38 pm CST Jan 23, 2026
Forecast Valid:
1pm CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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