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.

Overcast

31°F

-1°C

Humidity 79%
Wind Speed NW 7 mph
Barometer 30.23 in (1025.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 9 Jan 10:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly cloudy early, then becoming clear, with a low around 22. Northwest wind around 5 mph.

    Low: 22 °F

    Clear

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Mostly sunny, with a high near 34. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. South wind 5 to 10 mph becoming west northwest after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. West northwest wind around 5 mph becoming south southwest in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy early, then becoming clear, with a low around 22. Northwest wind around 5 mph.
Saturday
Snow likely, mainly before 1pm. Mostly sunny, with a high near 34. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 39. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 28. South wind 5 to 10 mph becoming west northwest after midnight.
Monday
Mostly sunny, with a high near 52. West northwest wind around 5 mph becoming south southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 36.
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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:
9:38 pm CST Jan 9, 2026
Forecast Valid:
11pm CST Jan 9, 2026-6pm CST Jan 16, 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