This map shows I-55 Weather, radar and forecast conditions.  I-55 is 964 miles long making it the 14th longest interstate in America and the 7th longest north-south highway. Construction on I-55 began in the 1960s to replace the old Route 66. Connecting Chicago, IL on the northern end to Laplace, Louisiana on the southern end, I55 travels through 6 states: Illinois, Missouri, Arkansas, Tennessee, Mississippi and Louisiana.

I-55 Illinois Weather | I-55 Missouri WeatherI-55 Arkansas Weather | I-55 Mississippi WeatherI-55 Louisiana Weather