ROCKFORD, Ill. (WIFR) – Colder temperatures have returned to the Stateline, but that’s not the only problem Mother Nature is dealing the Stateline this week. While wind chills in the single digits are expected Tuesday evening and overnight, conditions will remain on the quiet side. A few flurries or very light snow showers are possible on a hit or miss basis Wednesday, though most of us will remain dry for the vast majority of the day. Temperatures Wednesday will reach the lower 30s…