(Lincoln, IL) — Forecasters say the winter storm barreling down on Illinois will bring everything from five inches of snow to a rain/sleet mix that will make driving dangerous. The National Weather Service is posting a Winter Weather Advisory for pretty much the northern third of Illinois from noon today til 6 a.m. Sunday. The snow will be deepest by Rockford, while folks by Bloomington could see a mix of snow, ice, and sleet.