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

-1°F

-18°C

Humidity 68%
Wind Speed NW 18 mph
Barometer 30.43 in (1033.0 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-22°F (-30°C)
Last update 19 Jan 5:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 18. Wind chill values as low as -19. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 18 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West northwest wind around 5 mph becoming calm.

    Low: 3 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning.

    High: 25 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 13. South southeast wind 5 to 10 mph becoming northwest after midnight.

    Low: 13 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Breezy, with a west southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 36 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 8. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 8 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 5.

    High: 5 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Increasing clouds, with a high near 18. Wind chill values as low as -19. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West northwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 13. South southeast wind 5 to 10 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 36. Breezy, with a west southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 8. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around -6.
Friday
Partly sunny, with a high near 5.
Friday Night
Partly cloudy, with a low around -10.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 10.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
Last Update:
5:48 am CST Jan 19, 2026
Forecast Valid:
6am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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