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.
Along I-55, expect widespread rain and thunderstorms in northern Illinois with gusty winds. Central and southern Illinois will see steady rain with occasional gusts. Further south in Missouri and Arkansas, rain and drizzle continue with gusty winds in some areas. Southern sections in Mississippi and Louisiana will experience warm temperatures with mostly dry conditions and occasional gusty winds. Clear skies are expected in parts of southern Arkansas and Mississippi later in the day.
Weather timed to your arrival at every point along the route.
