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

39°F

4°C

Humidity 86%
Wind Speed NE 5 mph
Barometer 30.13 in (1021.0 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Wind Chill35°F (2°C)
Last update 4 Mar 4:52 am CST
Extended Forecast for

Sioux City IA

Dense Fog Advisory March 4, 05:45am until March 4, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 05:45am until March 4, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 36 °F

    Cloudy

  • Wednesday

    Wednesday: Patchy dense fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 55. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 55 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. South southeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 47. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 47 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, with thunderstorms also possible after 3pm. High near 63. Southeast wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    High: 63 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 3am, then a slight chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 36. Calm wind.
Wednesday
Patchy dense fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 55. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 34. South southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 64. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of rain and thunderstorms before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 47. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday
Rain, with thunderstorms also possible after 3pm. High near 63. Southeast wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A chance of rain before 3am, then a slight chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 59.
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 96.39°W (Elev. 1099 ft)
Last Update:
4:43 am CST Mar 4, 2026
Forecast Valid:
5am CST Mar 4, 2026-6pm CDT Mar 10, 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