Temperatures dropped into the mid-30s early tonight, but then rose towards morning under cloudy skies.
Full forecast details and more atWGN Weather Center Blog
Friday and Saturday forecast:On Friday, it’s mostly still cloudy, but will be warmer with lower 50s highs. Scattered showers are possible on Christmas morning with peaks in the mid-40s later that afternoon.
https://wgntv.com/weather/warm-christmas-weekend-on-the-way-with-highs-in-50s-40s/ The warm Christmas weekend is coming with peaks in the 50s, 40s