Thanksgiving weather in Chicago: Warmest, coldest, snowiest Ronny, November 21, 2023 Since Thanksgiving doesn’t occur on the same date each year, the temperature and precipitation values can vary dramatically. Expect a dry, partly sunny day Thursday with highs in the upper 40s and lows in the low 30s and 20s. Here’s a look back at the warmest, coldest, wettest and snowiest Thanksgiving holidays in Chicago, going back to 1872. Data is from the National Weather Service and was measured at the city’s official recording site, which has been O’Hare International Airport since Jan. 17, 1980. For almost a century prior to that, sites around downtown Chicago, the University of Chicago and Midway International Airport were used to gather definitive weather data. Chicago experienced its warmest Thanksgiving on Nov. 24, 1966, when it was 69 degrees. In 2022, the high was 54 degrees. Photos and story about the -1 degree low temperature on Thanksgiving Day, Nov. 23, 1950. As published in the Nov. 24, 1950, edition of the Chicago Tribune. (Chicago Tribune Archives) Chicago experienced its lowest low Thanksgiving temperature on Nov. 23, 1950, when it was -1 degrees. In 2022, the low was 35 degrees. Rain accumulating in more than 1 inch of precipitation has occurred once since 1872, according to the National Weather Service. But at least a little bit of rain tends to fall on Thanksgiving — precipitation ranging from a trace to more than an inch has fallen in more than half of the almost 150 years on record. Chicago Tribune, Nov. 28, 1980. (Chicago Tribune Archives) Since 1872, snowfall of more than a trace has been recorded just 17 times on Thanksgiving. A record snowfall of 3 inches fell at O’Hare airport on Nov. 27, 1980. Sources: National Weather Service Chicago; Tribune archives and reporting Subscribe to the free Vintage Chicago Tribune newsletter, join our Chicagoland history Facebook group and follow us on Instagram for more from Chicago’s past. krumore@chicagotribune.com interactive_content Originally Published: Nov 19, 2020 at 12:17 pm General