Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Fair
94°F
34°C
| Humidity | 10% |
| Wind Speed | SW 16 mph |
| Barometer | 29.54 in (999.5 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 21 Mar 5:52 pm CDT |
Extended Forecast for
South Sioux City NE
Red Flag Warning until March 21, 10:00pm
NOW until 10:00pm Sat
Red Flag Warning
Tonight
Low: 43 °F
Partly Cloudy
then Mostly
Cloudy and
BreezySunday
High: 55 °F
Partly Sunny
and Breezy
then Mostly
SunnySunday Night

Low: 29 °F
Mostly Clear
Monday

High: 57 °F
Partly Sunny
Monday Night

Low: 38 °F
Mostly Cloudy
Tuesday

High: 66 °F
Mostly Cloudy
Tuesday Night

Low: 44 °F
Mostly Cloudy
Wednesday

High: 76 °F
Partly Sunny
Detailed Forecast
Tonight
Increasing clouds, with a low around 43. Breezy, with a southeast wind 10 to 15 mph becoming north northeast 20 to 25 mph in the evening. Winds could gust as high as 40 mph.
Sunday
Mostly sunny, with a high near 55. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 57. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 38. South southeast wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 66. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Sioux City NE
42.48°N 96.41°W (Elev. 1093 ft)
42.48°N 96.41°W (Elev. 1093 ft)
5:43 pm CDT Mar 21, 2026
6pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026



