I-55 Weather and Live Radar Updates. Check 12 hour weather, wind, and temperature forecast on the I-55 corridor. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.
Weather timed to your arrival at every point along the route.
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Along I-55, expect mostly warm and humid conditions with scattered chances of thunderstorms and light rain mainly in Missouri and southern Mississippi. Northern Illinois will see mostly dry weather with partly cloudy skies. Winds generally remain light across the route with no significant gusts above 20 mph.
