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 61%
Wind Speed S 17 mph
Barometer 29.59 in (1001.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Apr 1:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. South southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 8am. Mostly cloudy, with a temperature falling to around 52 by 1pm. Breezy, with a south wind 10 to 15 mph becoming north northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.

    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. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Sunny then
    Sunny and
    Breezy

  • 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 64. North northwest wind around 5 mph.

    High: 64 °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 low around 55. South southeast wind around 15 mph, with gusts as high as 30 mph.
Friday
A 20 percent chance of showers before 8am. Mostly cloudy, with a temperature falling to around 52 by 1pm. Breezy, with a south wind 10 to 15 mph becoming north northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.
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. 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 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 64. 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 83.
Tuesday Night
Mostly clear, with a low around 51.
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 96.41°W (Elev. 1106 ft)
Last Update:
1:32 am CDT Apr 17, 2026
Forecast Valid:
2am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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