National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

78°F

26°C

Humidity 56%
Wind Speed S 14 G 22 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 1:52 pm CDT
Extended Forecast for

North Sioux City SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. South wind 5 to 10 mph becoming light after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Southeast wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 56. South wind 5 to 10 mph becoming light after midnight.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Southeast wind around 5 mph.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 76.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 71.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57.
Labor Day
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Sioux City SD
 42.56°N 96.47°W (Elev. 1286 ft)
Last Update:
2:26 pm CDT Aug 27, 2025
Forecast Valid:
2pm CDT Aug 27, 2025-6pm CDT Sep 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation