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

6°F

-14°C

Humidity 76%
Wind Speed NW 24 G 33 mph
Barometer 30.06 in (1020.2 mb)
Dewpoint 0°F (-18°C)
Visibility 9.00 mi
Wind Chill-16°F (-27°C)
Last update 17 Jan 4:52 am CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A 30 percent chance of snow. Cloudy, with a low around 5. Blustery, with a north northwest wind around 20 mph, with gusts as high as 30 mph.

    Low: 5 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: A chance of snow before 9am, then a chance of flurries between 9am and noon. Partly sunny, with a high near 10. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    High: 10 °F

    Blustery.
    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of flurries after midnight. Mostly cloudy, with a temperature falling to near 7 by 9pm, then rising to around 14 during the remainder of the night. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 7 °F⇑

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before noon, then a slight chance of snow after noon. Partly sunny, with a high near 31. Blustery, with a south wind 15 to 20 mph becoming north northwest 20 to 25 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 20%.

    High: 31 °F

    Blustery.
    Chance
    Flurries then
    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 2. Blustery, with a north northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 2 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 18. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 18 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow. Cloudy, with a low around 5. Blustery, with a north northwest wind around 20 mph, with gusts as high as 30 mph.
Saturday
A chance of snow before 9am, then a chance of flurries between 9am and noon. Partly sunny, with a high near 10. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Saturday Night
A chance of flurries after midnight. Mostly cloudy, with a temperature falling to near 7 by 9pm, then rising to around 14 during the remainder of the night. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of flurries before noon, then a slight chance of snow after noon. Partly sunny, with a high near 31. Blustery, with a south wind 15 to 20 mph becoming north northwest 20 to 25 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 2. Blustery, with a north northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
M.L.King Day
Mostly sunny, with a high near 18. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 24.
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:
4:43 am CST Jan 17, 2026
Forecast Valid:
5am CST Jan 17, 2026-6pm CST Jan 23, 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