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.
Weather timed to your arrival at every point along the route.
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Along I40, expect mostly warm and dry conditions with clear to partly cloudy skies across the route. Some areas in Tennessee and Arkansas may see a chance of thunderstorms and light rain early in the forecast period. Winds will generally be moderate, with gusts exceeding 20 mph in parts of Tennessee, Arkansas, Oklahoma, and Arizona. Temperatures will be notably hot in parts of California and Arkansas, reaching above 99°F.
