Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Light Rain and Windy

40°F

4°C

Humidity 28%
Wind Speed NW 39 G 62 mph
Barometer 29.86 in (1012.3 mb)
Dewpoint 9°F (-13°C)
Visibility 5.00 mi
Wind Chill27°F (-3°C)
Last update 21 Jan 12:52 pm CST
Extended Forecast for

Sioux City IA

Extreme Cold Watch January 22, 09:00pm until January 23, 02:00pm
High Wind Warning January 21, 01:01pm until January 21, 06:00pm
Click here for hazard details and duration
Extreme Cold Watch
High Wind Warning
  •  
    High Wind Warning January 21, 01:01pm until January 21, 06:00pm

    NOW until 6:00pm Wed

    High Wind Warning

  • This Afternoon

    High: 37 °F

    Slight Chance
    Snow and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 10. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 10 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23. West southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -12. Wind chill values as low as -29. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -12 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -1. North wind 5 to 10 mph.

    High: -1 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around -8. North wind around 5 mph becoming east after midnight.

    Low: -8 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow.  Partly sunny, with a high near 10.

    High: 10 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of flurries with a slight chance of snow before 4pm, then a slight chance of snow between 4pm and 5pm. Mostly sunny, with a high near 37. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 10. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Thursday
Partly sunny, with a high near 23. West southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -12. Wind chill values as low as -29. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny and cold, with a high near -1. North wind 5 to 10 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -8. North wind around 5 mph becoming east after midnight.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 10.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 13.
Sunday Night
Mostly clear, with a low around -3.
Monday
Sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 31.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
12:13 pm CST Jan 21, 2026
1pm CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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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