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 and Breezy

21°F

-6°C

Humidity 41%
Wind Speed NW 22 G 32 mph
Barometer 30.31 in (1028.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 22 Jan 2:52 pm CST
Extended Forecast for

Sergeant Bluff IA

Extreme Cold Warning January 23, 12:00am until January 23, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 23 °F

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around -12. Wind chill values as low as -29. North wind around 15 mph, with gusts as high as 25 mph.

    Low: -12 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after 5pm. Mostly cloudy and cold, with a high near 0. Wind chill values as low as -31. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 0 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Cloudy, with a low around -4. North northeast wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: -4 °F

    Chance Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 7. South southeast wind around 5 mph.

    High: 7 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5. Southeast wind around 5 mph becoming calm.

    Low: -5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -12. Wind chill values as low as -29. North wind around 15 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of snow after 5pm. Mostly cloudy and cold, with a high near 0. Wind chill values as low as -31. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a low around -4. North northeast wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 7. South southeast wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around -5. Southeast wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 11.
Sunday Night
Partly cloudy, with a low around -10.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 20.
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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:
3:18 pm CST Jan 22, 2026
Forecast Valid:
3pm CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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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