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

70°F

21°C

Humidity 76%
Wind Speed NE 5 mph
Barometer 30.08 in (1017.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 21 Aug 9:52 pm CDT
Extended Forecast for

North Sioux City SD

  • Tonight

    Tonight: Mostly clear, with a low around 61. North northeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming north around 5 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Calm wind becoming east around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 77. Calm wind becoming south southeast around 5 mph in the morning.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 61. North northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 82. Calm wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 59. Calm wind becoming east around 5 mph.
Sunday
Partly sunny, with a high near 77. Calm wind becoming south southeast around 5 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Sioux City SD
 42.54°N 96.5°W (Elev. 1099 ft)
Last Update:
9:14 pm CDT Aug 21, 2026
Forecast Valid:
10pm CDT Aug 21, 2026-6pm CDT Aug 28, 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