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

23°F

-5°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.22 in (1024.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 12 Mar 3:52 am CDT
Extended Forecast for

Sioux City IA

High Wind Warning March 12, 09:00pm until March 13, 07:00am
Red Flag Warning March 12, 12:00pm until March 12, 09:00pm
Click here for hazard details and duration
High Wind Warning
Red Flag Warning

  • Today

    Today: Mostly cloudy, with a high near 65. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 65 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Windy, with a southwest wind 15 to 20 mph becoming northwest 25 to 30 mph in the evening. Winds could gust as high as 60 mph.

    Low: 29 °F

    Windy. Slight
    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 44. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of snow. Cloudy, with a low around 29. North wind around 5 mph becoming east after midnight. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 51. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely before 1am, then snow, possibly mixed with rain. Low around 25. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain Likely
    then
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 7am. Patchy blowing snow. High near 32. Breezy. Chance of precipitation is 80%.

    High: 32 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3. Blustery.

    Low: 3 °F

    Partly Cloudy
    and Blustery

  • Monday

    Monday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 65. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
A 20 percent chance of rain before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Windy, with a southwest wind 15 to 20 mph becoming northwest 25 to 30 mph in the evening. Winds could gust as high as 60 mph.
Friday
Increasing clouds, with a high near 44. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
A 50 percent chance of snow. Cloudy, with a low around 29. North wind around 5 mph becoming east after midnight. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 51. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Rain likely before 1am, then snow, possibly mixed with rain. Low around 25. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday
Snow, possibly mixed with rain, becoming all snow after 7am. Patchy blowing snow. High near 32. Breezy. Chance of precipitation is 80%.
Sunday Night
Partly cloudy, with a low around 3. Blustery.
Monday
Sunny, with a high near 22.
Monday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 6.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
4:48 am CDT Mar 12, 2026
Forecast Valid:
4am CDT Mar 12, 2026-6pm CDT Mar 18, 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