Weather Service, Storm Prediction Center
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A thick layer of ice remains on many regional roads, especially side and neighborhood roads as well as sidewalks and driveways. Salt and brine treatments are mostly ineffective due to this cold weather.
According to NBC 5 Storm Team Meteorologist Alicia Roman, Friday morning's rain will be the first of two stormy waves to hit the Chicago area. The first round was expected to move mostly across northern Illinois and impact far north and west counties, along with areas in southeastern Wisconsin.
While we're bracing for record heat in the Southwest, other parts of the country are seeing heavy snow and white out conditions.
Hundreds of flights were cancelled and even more delayed at Phoenix Sky Harbor Airport as thousands of U.S. flights canceled due to severe storms.