Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

55°F

13°C

Humidity 62%
Wind Speed E 6 mph
Barometer 29.83 in (1009.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 21 Mar 3:52 am CDT
Extended Forecast for

Sergeant Bluff IA

Red Flag Warning March 21, 01:00pm until March 21, 10:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Sunny, with a high near 89. South southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Breezy, with a south southeast wind 10 to 15 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 42 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. North wind 5 to 10 mph becoming east after midnight.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 57. South southeast wind 5 to 15 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. South southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 42. Breezy, with a south southeast wind 10 to 15 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Sunday
Mostly sunny, with a high near 56. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph becoming east after midnight.
Monday
Partly sunny, with a high near 57. South southeast wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 37. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 64. Breezy.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
1:32 am CDT Mar 21, 2026
4am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database