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

28°F

-2°C

Humidity 75%
Wind Speed NE 5 mph
Barometer 30.19 in (1023.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 3 Feb 1:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A chance of flurries before 4am, then a slight chance of snow between 4am and 5am, then a chance of flurries after 5am. Cloudy, with a low around 21. East northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow before 10am, then a chance of flurries after 10am. Cloudy, with a high near 32. East northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 11pm, then a chance of flurries between 11pm and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 22. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. South southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 4am, then a slight chance of snow between 4am and 5am, then a chance of flurries after 5am. Cloudy, with a low around 21. East northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow before 10am, then a chance of flurries after 10am. Cloudy, with a high near 32. East northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow before 11pm, then a chance of flurries between 11pm and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 22. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 35. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 51. South southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 26.
Monday
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:
12:53 am CST Feb 3, 2026
Forecast Valid:
2am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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