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

49°F

9°C

Humidity 36%
Wind Speed NW 15 mph
Barometer 29.84 in (1011.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 27 Feb 9:52 am CST
Extended Forecast for

Sioux City IA

Red Flag Warning February 27, 11:00am until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Sunny, with a high near 64. Breezy, with a west northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming east northeast after midnight.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. East northeast wind around 10 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 15. Northeast wind 5 to 10 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of snow. Cloudy, with a high near 33. East southeast wind 5 to 10 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. Southeast wind 5 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain and snow. Cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow before noon. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Sunny, with a high near 64. Breezy, with a west northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 39. East northeast wind around 10 mph.
Saturday Night
Increasing clouds, with a low around 15. Northeast wind 5 to 10 mph.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 33. East southeast wind 5 to 10 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 19. Southeast wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 42.
Monday Night
A chance of rain and snow. Cloudy, with a low around 29. Chance of precipitation is 50%.
Tuesday
A slight chance of rain and snow before noon. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 57.
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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:
8:53 am CST Feb 27, 2026
Forecast Valid:
9am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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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