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 dry conditions with some scattered thunderstorms and light rain chances in parts of Arkansas and Oklahoma. Temperatures will be hot in the southwestern states, especially California and Arizona, with heat indices reaching above 100°F. Winds will generally be moderate, with gusts exceeding 20 mph mainly in Arkansas and Oklahoma. Skies will range from clear in New Mexico and parts of Arizona to mostly cloudy or overcast in sections of Arkansas and Oklahoma.
