Temperatures today were down about 15 degrees from Monday. That’s also about how far below average we were. More like November than October. Adding in gusty northwest winds, it felt more like the 40s much of the day. The first real blast of wintry air is always a bit of a jolt.
Through tonight: The end of the growing season is nigh, at least for parts of the area. Under clear skies, most local spots reach the low and mid-30s or perhaps nearer to 40 downtown. Western and northwestern suburbs are around freezing. Take care of any plants you want to save. It does stay breezy through the night, which could limit frost coverage somewhat.
Tomorrow (Wednesday): It’s a crisp and frosty morning. Sunshine gives way to a bit of midday cloudiness. Highs are mainly in the mid-50s, although a couple spots could hit the upper 50s. Winds are out of the west around 10 mph, with gusts around 20 or 25 mph.
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