Sioux Gateway Airport (SUX) 15 Day Weather Forecast, Sioux City United States
Current weather conditions and 15 day weather forecast for Sioux Gateway Airport in Sioux City, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at SUX
| 20 December 2025 Sat 1.7 ° C ( 35.1°F )  Clear |
Feels Like : -3.8 ° C / 25.1°F Humidity : % 58 Pressure : 1000 mb Wind Speed : 25.9 kmph / 16.1 miles from S 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Sioux Gateway Airport, Sioux City, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri | Sunny |
-12.7 ° C | 5.4 ° C | -5.7 ° C | % 56 | 31.3 km/h | 0% |
| 20 December 2025 Sat | Sunny |
-2.9 ° C | 6.4 ° C | 0.8 ° C | % 72 | 33.8 km/h | 0% |
| 21 December 2025 Sun |  Mist |
-6.4 ° C | 2.5 ° C | -2.3 ° C | % 82 | 25.6 km/h | 0% |
| 22 December 2025 Mon |  Overcast |
-2.5 ° C | 2.2 ° C | 0.7 ° C | % 87 | 26.6 km/h | 0% |
| 23 December 2025 Tue | Sunny |
0.9 ° C | 8.3 ° C | 3.9 ° C | % 76 | 14.4 km/h | 0% |
| 24 December 2025 Wed | Overcast |
1.5 ° C | 11.3 ° C | 3.9 ° C | % 86 | 14 km/h | 0% |
| 25 December 2025 Thu | Sunny |
5.8 ° C | 12.4 ° C | 8.6 ° C | % 78 | 22.3 km/h | 0% |
| 26 December 2025 Fri |  Partly Cloudy |
-1.3 ° C | 5.1 ° C | 2.9 ° C | % 64 | 27.4 km/h | 0% |
| 27 December 2025 Sat | Sunny |
-3.6 ° C | 0.9 ° C | -1.9 ° C | % 61 | 15.8 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-2.9 ° C | 3.6 ° C | -0.3 ° C | % 68 | 9.7 km/h | 0% |
| 29 December 2025 Mon |  Light freezing rain |
0.1 ° C | 2.5 ° C | 1 ° C | % 78 | 22.3 km/h | 81% |
| 30 December 2025 Tue |  Heavy snow |
-3.8 ° C | -1.2 ° C | -1.6 ° C | % 97 | 21.6 km/h | 71% |
| 31 December 2025 Wed | Light freezing rain |
-12.1 ° C | -3.6 ° C | -6.6 ° C | % 95 | 18.7 km/h | 77% |
| 01 January 2026 Thu | Sunny |
-10.6 ° C | 1.9 ° C | -4.1 ° C | % 86 | 23.8 km/h | 0% |
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