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 Windy

55°F

13°C

Humidity 15%
Wind Speed S 31 G 41 mph
Barometer 30.32 in (1027.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 28 Mar 12:52 pm CDT
Extended Forecast for

Sioux City IA

Red Flag Warning March 28, 01:34pm until March 28, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 28, 01:34pm until March 28, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 63 °F

    Areas Blowing
    Dust and
    Windy

  • Tonight

    Tonight: Patchy blowing dust before 7pm. Partly cloudy, with a low around 37. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Patchy
    Blowing Dust
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75. South wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Southeast wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 43. South southeast wind 5 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Areas of blowing dust. Mostly sunny, with a high near 63. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 45 mph.
Tonight
Patchy blowing dust before 7pm. Partly cloudy, with a low around 37. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 75. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 43. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 43. South southeast wind 5 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 31.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 36.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
12:38 pm CDT Mar 28, 2026
Forecast Valid:
1pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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