Route 66 Begin Sign (Chicago) is a Route 66 attraction in Illinois (mile marker 0). Eastern terminus, Adams + Michigan Ave. It sits at approximately 41.878°N, 87.624°W. BloomWX gives road-trip-ready weather: hourly forecast, radar, heat and air-quality signals, sunrise and sunset, and any active alerts along this stretch of the Mother Road. Data refreshes every 60 seconds from weather.gov and partner sources.
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