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.

Partly Cloudy

68°F

20°C

Humidity 57%
Wind Speed W 10 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Apr 2:52 pm CDT
Extended Forecast for

South Sioux City NE

Red Flag Warning April 16, 12:00pm until April 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 45. West northwest wind around 5 mph becoming southeast after midnight. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 50. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 68. Breezy, with a south wind 15 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 35 mph.

    High: 68 °F

    Slight Chance
    Showers and
    Breezy

  • 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

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 45. West northwest wind around 5 mph becoming southeast after midnight. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 50. South southeast wind around 15 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 68. Breezy, with a south wind 15 to 25 mph becoming north northwest in the afternoon. 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 52. Breezy.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 79.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.48°N 96.44°W (Elev. 1086 ft)
Last Update:
2:58 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 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