I-39 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the I-39 corridor. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.
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Along I-39, expect mostly warm and humid conditions with temperatures reaching into the 80s and low 90s. Scattered thunderstorms with rain chances are present in Illinois, while Wisconsin remains dry with partly cloudy to clear skies. Winds are generally light, with no significant gusts expected along the route.
