Two days ago it was 13°C (56°F) in Chicago. Yesterday a storm dumped 28 mm (1.1 in) of rain on us before the cold front behind it dropped us below freezing. This was the largest temperature drop in 42 years here.
Here's our street after the storm:
Today we're looking forward to overnight lows around -18°C (-1°F). Fortunately, the local El stop has heat lamps to stand under when it gets cold. Sometimes, though, you have to share them with these guys:
In related news, scientists report that Greenland's glaciers are flowing faster, dumping more fresh water into the North Atlantic, which in turn may accelerate global warming. So maybe the pigeons won't need to hang out with commuters under heat lamps much longer.