Six Flags - Great America Wind Forecast
Six Flags - Great America Wind Statistics
September Wind
Chicago/Waukegan Regional Airport (5 miles)
Strongest 5 September, 2025
19.7mph WAverage September
7.2mph
Climate (2010–Present)
Chicago/Waukegan Regional Airport (5 miles)
Strongest 22 June, 2024
64mph WSWAverage 2020–2025
8.5mph