Gotta love Chicago weather

In the past 24 hours, the temperature here dropped from 21°C at 2pm yesterday to -2°C at 8am today. The cold front responsible drove the temperature down 6°C in three hours at one point, making for uncomfortable walks home from dinner.

We had two delightful September days, but now it's November again. The Climate Prediction Center expects normal temperatures in Chicago through the end of January. Winter is coming...