Millions of Americans faced an icy commute Monday across the Midwest and Northeast.
   
A mixture of freezing rain, sleet and snow made for messy roads and dangerous conditions. The icy precipitation follows a weekend of winter weather disruptions across the same region.
    
In Chicago, hundreds of flights were cancelled because of icy runways. 

Ice also closed down the on and off ramps to a major interstate in Missouri.  
 
Hundreds of churches across Iowa called off Sunday service because of the dangerous conditions.