Six Flags - Great America Wind Forecast
Six Flags - Great America Wind Statistics
September Wind
Chicago/Waukegan Regional Airport (5 miles)
Strongest 20 September, 2026
33.1mph EAverage September
6.7mph
Climate (2021–2026)
Chicago/Waukegan Regional Airport (5 miles)
Strongest 27 July, 2026
82.1mph NEAverage 2021–2026
8.5mph