National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

A Few Clouds and Breezy

12°F

-11°C

Humidity 61%
Wind Speed NW 21 G 30 mph
Barometer 30.26 in (1027.2 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 16 Mar 11:52 am CDT
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Patchy blowing snow. Sunny, with a high near 20. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 20 °F

    Patchy
    Blowing Snow
    and Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 3. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Snow likely before 5pm, then a chance of rain and snow. Patchy blowing snow after 2pm. Increasing clouds, with a high near 35. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 35 °F

    Rain/Snow
    Likely and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: A 10 percent chance of rain before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 24. South southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.

    Low: 24 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. South wind around 5 mph becoming northwest after midnight.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy blowing snow. Sunny, with a high near 20. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 3. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
Snow likely before 5pm, then a chance of rain and snow. Patchy blowing snow after 2pm. Increasing clouds, with a high near 35. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A 10 percent chance of rain before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 24. South southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 61. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 37. South wind around 5 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 59.
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:
10:59 am CDT Mar 16, 2026
Forecast Valid:
12pm CDT Mar 16, 2026-6pm CDT Mar 22, 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