Sun-filled skies Monday afternoon didn't do much to warm temperatures across northern Illinois and southern Wisconsin. Most stayed in the upper single digits and low teens, well below our average high of 29 degrees. Skies will remain clear through sunset as cloud cover slowly advances in from the northwest late this evening.
Initially, temperatures will drop this evening but as both cloud cover and southwest winds increase, temperatures will slowly start to rise through the night. Wind chills, unfortunately, will remain well below zero - ranging from -10 to -15 this evening and then -5 to -15 Tuesday morning. Not cold enough for any cold weather alerts - like Monday morning - but plenty cold so make sure you bundle up when heading out.
The increase in wind will likely also cause some blowing and drifting snow, especially in open and rural areas. Something to keep in mind if you're heading out later this evening, and then again Tuesday morning. A cold front will sweep across the Stateline during the morning, shifting winds to the northwest.
Northwest winds will gust around 30 mph during the morning. Temperatures won't rise much throughout the day, staying in the low teens with wind chills ranging from -5 to -10 during the afternoon. Skies will clear a bit Tuesday night which will bring temperatures back below zero and wind chills around -15 degrees Wednesday morning.
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