When the temperature falls below -5°C, practicing landings increases the risk of frosted spark plugs and other cold-weather engine failures. So why not go sightseeing instead? Especially late afternoon in the dense, calm winter air? I mean, it's not like there's a baseball game:
Having the President out of town does make it easier to fly in the area, however. With him in town we have to stay about 3 km off the lake shore near Hyde Park, making it very tricky to thread the airspace restrictions to get up the west side of the Loop:
Good flight. Can't wait to fly again—when it's warmer.
Also: here's the KML.