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 Windy

49°F

9°C

Humidity 52%
Wind Speed N 29 G 40 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 Apr 1:52 pm CDT
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 54. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Sunny then
    Increasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Northwest wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. North northwest wind 5 to 10 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming east southeast after midnight.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 40 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Increasing clouds, with a high near 54. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 32. Northwest wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 61. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming east southeast after midnight.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 84. Breezy.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
1:33 pm CDT Apr 17, 2026
Forecast Valid:
2pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation