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 and Breezy

39°F

4°C

Humidity 67%
Wind Speed NW 22 G 31 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Jan 1:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Partly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a steady temperature around 25. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 25 °F

    Sunny and
    Blustery then
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 18. Calm wind becoming south around 5 mph after midnight.

    Low: 18 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of flurries between 9am and noon, then a slight chance of rain after noon. Partly sunny, with a high near 44. South wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of sprinkles and flurries between midnight and 1am, then a chance of flurries after 1am. Partly cloudy, with a low around 27. Blustery, with a northwest wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.

    Low: 27 °F

    Blustery.
    Partly Cloudy
    then Chance
    Sprinkles/Flurries

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 31. Blustery, with a northwest wind around 25 mph, with gusts as high as 45 mph.

    High: 31 °F

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7. Blustery.

    Low: 7 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a steady temperature around 25. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Increasing clouds, with a low around 18. Calm wind becoming south around 5 mph after midnight.
Thursday
A chance of flurries between 9am and noon, then a slight chance of rain after noon. Partly sunny, with a high near 44. South wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
A chance of sprinkles and flurries between midnight and 1am, then a chance of flurries after 1am. Partly cloudy, with a low around 27. Blustery, with a northwest wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 31. Blustery, with a northwest wind around 25 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 7. Blustery.
Saturday
Mostly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
2:33 am CST Jan 14, 2026
Forecast Valid:
2am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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