Second consecutive 'cool' day on tap Thursday

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Days featuring "free A/C" thanks to Mother Nature have been hard to come by of late, but Wednesday was one of them, and by all accounts, Thursday's sure to be another!

Since July 1, a span of 45 days, just twice prior to today had the mercury failed to reach 80° at the Chicago-Rockford International Airport. What's more, it's been almost two months since the last time temperatures fell short of the 80° mark on consecutive days. That drought's likely to end Thursday, as we're forecasting high temperatures to top out at 78­°.

It's hardly frigid, given our normal high temperature this time of year should be around 83°, but it's a noticeable change of pace from the persistently hot and muggy pattern that's dominated here for the better part of the summer thus far.

The cool spell's to be a brief one, though. Noticeable increases in both temperature and humidity levels are to commence this weekend, eventually yielding another round of 90s early next week.

One more note, a sign that we're working closer and closer to autumn, sunset tonight occurred at 7:59pm. That's noteworthy because the sun will set prior to 8:00pm on each of the next 263 nights. The next time the sun will set at 8:00pm will be on May 4, 2020.