Here’s a look back at what happened in the Chicago area on June 29, according to the Tribune’s archives. Is an important event missing from this date? Email us. Weather records (from the National Weather Service, Chicago) High temperature: 97 degrees (1954) Low temperature: 48 degrees (1989) Precipitation: 2.81 inches (1933) Snowfall: Trace (1920) 1889: Annexation caused Chicago to gain 131 ...