I-40 Road Conditions and Weather Map. Check the road conditions and current and forecast weather on I-40 on this page. 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 I40, expect mostly warm and dry conditions with clear to partly cloudy skies across the western states including California, Arizona, and New Mexico. Scattered chances of thunderstorms and light rain are forecasted in parts of New Mexico and Texas. Winds will be notably strong in Oklahoma and Texas with gusts exceeding 20 mph at times, while the eastern states of Tennessee and North Carolina will see some thunderstorm activity with occasional light rain. Temperatures will be hot in the western and central sections, with some areas experiencing heat indices over 100°F.
