UPDATE: The Federal Aviation Administration issued a departure delay for O’Hare International Airport at 10:15 a.m. Sunday, with departures delayed an average of 15 minutes and increasing due to snow and ice. A long list of airports are experiencing ...

Chicago woke up socked in on Wednesday, March 4, 2026, as dense fog poured into the city and suburbs, cutting visibility on major streets and interstates and raising the risk of slick patches in colder inland spots.

In Chicago, snow seasons are tracked from July through the following June. The area normally can expect 38.4 inches, according to the National Weather Service. During the 2024-25 season, the area accumulated just 17.

Officials say several tornadoes have torn through parts of Illinois and Indiana, downing trees and power lines in an area south of Chicago and overwhelming the 911 center with emergency calls