MADISON, Wis. (WMTV) – This evening, the skies will thicken, which will later lead to fog developing through much of our area. Temperatures are set to drop down to near 30F, and a light wintry mix is expected to develop tonight in areas along and just north of I‑90. This will likely be just a dusting, but If you’re driving or planning any evening activities, especially in the northern parts of our region, be sure to take extra care on the roads…