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 and Windy

86°F

30°C

Humidity 43%
Wind Speed S 26 G 37 mph
Barometer 29.78 in (1007.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Oct 1:52 pm CDT
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.

    High: 89 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 68. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.

    Low: 68 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: A 20 percent chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 85 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 49. West northwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 62. North northeast wind around 5 mph.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. North northeast wind around 5 mph becoming calm.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 68. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.
Sunday
A 20 percent chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 49. West northwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 62. North northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 44. North northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 74.
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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:
2:28 pm CDT Oct 4, 2025
Forecast Valid:
2pm CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation