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

69°F

21°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 12:52 am CDT
Extended Forecast for

4 Miles NW Hornick IA

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 87 °F

    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 95. South wind around 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 71. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 92. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 73. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and hot, with a high near 95. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Hornick IA
 42.28°N 96.15°W (Elev. 1070 ft)
Last Update:
10:26 pm CDT Aug 13, 2025
Forecast Valid:
1am CDT Aug 14, 2025-6pm CDT Aug 20, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation