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

67°F

19°C

Humidity 71%
Wind Speed SE 20 G 29 mph
Barometer 29.54 in (999.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 2:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: A slight chance of showers between 7am and 8am. Mostly cloudy, with a temperature falling to around 51 by 1pm. Breezy, with a west southwest wind 15 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 62 °F⇓

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 30 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 54. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. North northwest wind around 5 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °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 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
A slight chance of showers between 7am and 8am. Mostly cloudy, with a temperature falling to around 51 by 1pm. Breezy, with a west southwest wind 15 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 30. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday
Sunny, with a high near 54. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 32. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 63. North northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 59.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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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:
3:13 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation