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.

Fair

49°F

9°C

Humidity 74%
Wind Speed N 7 G 29 mph
Barometer 29.72 in (1005.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Mar 1:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. Breezy, with a north wind around 25 mph, with gusts as high as 40 mph.

    Low: 39 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 55. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 10 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. South wind around 10 mph.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Breezy, with a north wind around 25 mph, with gusts as high as 40 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 28. North wind 5 to 10 mph becoming light and variable in the evening.
Monday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 55. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 10 mph.
Tuesday
Partly sunny, with a high near 66. South wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 58.
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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:
1:22 am CDT Mar 22, 2026
Forecast Valid:
2am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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