I15 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the I15 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 I15, expect mostly cloudy to overcast skies with occasional chances of rain in Montana and parts of Idaho. Thunderstorms are possible in northern Utah later in the day. Winds generally remain light to moderate, with some gusts approaching 25 mph in Utah. Temperatures are mild throughout the route with no extreme highs or lows forecasted.
