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

46°F

8°C

Humidity 54%
Wind Speed NW 20 G 26 mph
Barometer 29.63 in (1004.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Feb 5:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: A slight chance of sprinkles. Mostly cloudy, with a steady temperature around 48. North northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. North northwest wind 5 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after 2pm. Mostly cloudy, with a high near 40. Calm wind becoming south southeast around 5 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 25. Southeast wind around 5 mph becoming southwest after midnight. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West northwest wind around 5 mph becoming south southwest after midnight.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Mostly cloudy, with a steady temperature around 48. North northwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 23. North northwest wind 5 to 10 mph.
Wednesday
A 40 percent chance of snow after 2pm. Mostly cloudy, with a high near 40. Calm wind becoming south southeast around 5 mph in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
A 40 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 25. Southeast wind around 5 mph becoming southwest after midnight. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 55. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 30. West northwest wind around 5 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 38.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 37.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
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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:
4:53 pm CST Feb 24, 2026
Forecast Valid:
5pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation