Interstate 40 (I-40) Road Conditions

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.

Updated Aug 15, 1:06 PM MST · 8 states Clear to Rain
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I40 Weather Summary

Along I40, expect mostly warm and dry conditions with some scattered thunderstorms in parts of North Carolina and Texas. Temperatures will be notably hot in Arkansas, Oklahoma, and New Mexico, with heat indices reaching above 100°F. Winds will generally be moderate, with gusts exceeding 20 mph in parts of Oklahoma and Texas. Skies will range from mostly clear in the western states to partly cloudy or overcast in eastern North Carolina.

Current I-40 Conditions by State

North CarolinaThunderstorms
  • Scattered thunderstorms with light rain possible near Turkey and Waynesville in the late morning around 11 a.m. to noon.
  • Cloudy to overcast skies dominate most of North Carolina with no significant wind gusts over 20 mph.
  • High heat indices near 105°F in Bayshore and Turkey, with temperatures feeling very hot during the day.
Updated Aug 15, 4:06 PM EDT
Official 511
TennesseePartly Cloudy
  • Warm temperatures with heat indices reaching above 100°F in New Market, Boma, Lyles, and Lakeland.
  • Mostly clear skies with some areas experiencing partly cloudy conditions.
  • No significant wind gusts over 20 mph reported.
Updated Aug 15, 3:06 PM CDT
Official 511
ArkansasClear
  • Very hot conditions with temperatures reaching up to 103°F and heat indices above 100°F in Biscoe, Kibler, and Menifee.
  • Mostly clear skies across the state.
  • No wind gusts over 20 mph noted.
Updated Aug 15, 3:06 PM CDT
Official 511
OklahomaPartly Cloudy
  • Hot weather with temperatures near 100°F and heat indices above 100°F in Grayson, Mustang, Texola, and Widener.
  • Winds gusting over 20 mph in Mustang and Texola, with sustained winds near 15 mph and gusts up to 23 mph in Mustang.
  • Mostly clear skies with some areas of low cloud cover.
Updated Aug 15, 3:06 PM CDT
Official 511
TexasThunderstorms
  • Scattered thunderstorms with light rain possible near Vega in the afternoon, with gusts reaching up to 30 mph.
  • Warm temperatures with heat indices near 100°F in Groom and Vega.
  • Winds gusting over 20 mph in Groom and Vega, especially in the afternoon.
Updated Aug 15, 3:06 PM CDT
Official 511
New MexicoThunderstorms
  • Mostly clear to partly cloudy skies with no precipitation expected near Clines Corners, Armijo, Paraje, Prewitt, and Wingate.
  • Warm temperatures with highs near 80s and no extreme heat noted.
  • No wind gusts over 20 mph reported.
Updated Aug 15, 2:06 PM MDT
Official 511
ArizonaRain
  • Clear skies with warm temperatures in Holbrook, Sanders, Ash Fork, and Winona.
  • Chance of light rain showers near Winona in the morning hours.
  • No wind gusts over 20 mph noted.
Updated Aug 15, 1:06 PM MST
Official 511
CaliforniaClear
  • Warm and mostly clear conditions in Needles with temperatures reaching up to 103°F and heat indices above 100°F.
  • No significant wind gusts over 20 mph reported.
Updated Aug 15, 1:06 PM PDT
Official 511
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