Ice Storm Brewing for Chicago, Detroit, St. Louis
Prior to the return of warmer weather, an ice storm will affect areas from northern and eastern Missouri to Michigan, southern Ontario and the mid-Atlantic spanning this weekend into the start of next week.
A storm bringing rain to Southern California to end this week will roll into a zone of departing Arctic air and cold ground over the Midwest.
Major cities that have the potential for a period of freezing this weekend include Omaha, Neb.; St. Louis, Mo.; Des Moines, Iowa; Madison, Wis.; Chicago, Ill.; Indianapolis, Ind.; Detroit, Mich.; Pittsburgh, Pa.; and London, Ontario.