Snow in May: 84th Anniversary of Chicago’s greatest snowstorm

May 1 marks the 84th anniversary of Chicago’s greatest May “snowstorm” and Chicago’s largest snowfall so late in the season. The snow was all the more surprising in that the winter of 1939-40 had below-normal snowfall with the largest snowstorm generating only 3.5-inches in late February. April brought only 0.1-inch of snow, and with afternoon highs warming into the 70s, April 28 and 30, it looked like the last snow was in the rear-view mirror When it looked like seasonal snow was over, Mother Nature had other plans… The warmth...