This is the area's second biggest snow storm so late in the season, and the snowiest April 14 on record.
The north and west suburbs got the most snow - Huntley got 7.5 inches and O'Hare airport got 5 inches. Some areas just got a dusting.
WATCH: Meteorologist Phil Schwarz talks about snow totals
Historic mid-April snowstorm drops up to 7 inches
Most of the Chicago area got between 2 and 6 inches. Snow was starting to diminish in the late afternoon.
A Lakeshore Flood Advisory was issued until 10 p.m. Sunday.
Temperatures were in the mid 30s with a wind chill in the 20s.
WATCH: Brookfield Zoo animals enjoy spring snow
Brookfield Zoo animals enjoy Sunday snow
RELATED: Chicago AccuWeather: Wintry mix falls on Sunday
About 1,080 flights at O'Hare and Midway airports were cancelled Sunday due to the weather conditions. At about 4 p.m., O'Hare reported 939 canceled flights and a 54-minute average delay. Midway reported 140 cancellations with a 32-minute delay.
WATCH: Stormtracker: 2-7 inches of snow falls across Chicago area
Stormtracker: 2-7 inches of snow falls across Chicago area
Sunday's Buddy Walk was also cancelled, as well as the Chicago Cubs games against the Los Angeles Angels.
RELATED: Cubs postpone Sunday's game against LA Angels due to weather
Both are expected to be rescheduled for another date.