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.

Light Snow Fog/Mist and Breezy

19°F

-7°C

Humidity 84%
Wind Speed SE 22 G 30 mph
Barometer 29.97 in (1017.0 mb)
Dewpoint 15°F (-9°C)
Visibility 2.00 mi
Wind Chill2°F (-17°C)
Last update 17 Mar 1:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Snow, mainly before 3pm, then a chance of flurries with a slight chance of snow after 5pm. High near 32. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 30. South wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. West northwest wind around 5 mph.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind around 5 mph becoming northwest after midnight.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 65. North northwest wind around 5 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. East wind around 5 mph becoming south southwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Snow, mainly before 3pm, then a chance of flurries with a slight chance of snow after 5pm. High near 32. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a steady temperature around 30. South wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 58. West northwest wind around 5 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind around 5 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 65. North northwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 41. East wind around 5 mph becoming south southwest after midnight.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 57. Breezy.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
2:08 pm CDT Mar 17, 2026
Forecast Valid:
2pm CDT Mar 17, 2026-6pm CDT Mar 23, 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