National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Overcast

30°F

-1°C

Humidity 85%
Wind Speed W 3 mph
Barometer 30.13 in (1021.4 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 2 Feb 1:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. North northwest wind around 5 mph becoming calm.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 36. Calm wind becoming east around 5 mph.

    High: 36 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a low around 20. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Slight Chance
    Wintry Mix

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 31. Northeast wind around 5 mph becoming calm in the morning.

    High: 31 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Calm wind becoming northwest around 5 mph.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. North northwest wind 5 to 10 mph.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. North northwest wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 36. Calm wind becoming east around 5 mph.
Monday Night
A chance of snow before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a low around 20. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 31. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Calm wind becoming northwest around 5 mph.
Wednesday
Mostly cloudy, with a high near 36. North northwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 45.
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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:
1:48 am CST Feb 2, 2026
Forecast Valid:
2am CST Feb 2, 2026-6pm CST Feb 8, 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