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

40°F

4°C

Humidity 47%
Wind Speed E 8 mph
Barometer 29.98 in (1016.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Feb 7:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South southeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of sprinkles and flurries before noon, then a slight chance of sprinkles between noon and 1pm. Partly sunny, with a high near 61. Calm wind becoming south around 5 mph.

    High: 61 °F

    Slight Chance
    Sprinkles/Flurries
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. South wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Partly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. South southeast wind around 5 mph.
Saturday
A slight chance of sprinkles and flurries before noon, then a slight chance of sprinkles between noon and 1pm. Partly sunny, with a high near 61. Calm wind becoming south around 5 mph.
Saturday Night
Mostly clear, with a low around 31. Calm wind.
Sunday
Sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 40. South wind 5 to 10 mph.
Washington's Birthday
Mostly sunny, with a high near 62. South wind 5 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 66.
Tuesday Night
A 40 percent chance of rain. Partly cloudy, with a low around 39.
Wednesday
A slight chance of rain before noon, then a chance of sprinkles after noon. Sunny, with a high near 58. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
8:04 pm CST Feb 13, 2026
Forecast Valid:
8pm CST Feb 13, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation