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 9, 4:09 AM MDT · 8 states Clear to High Wind
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I40 Weather Summary

Along I40, expect generally warm and dry conditions with mostly clear to partly cloudy skies across the route. Winds will be notable in parts of Oklahoma, Texas, and New Mexico with gusts reaching up to 33 mph. Temperatures will be hot in the southwestern states, especially California and Arizona, with highs exceeding 99°F. There is a slight chance of thunderstorms in western North Carolina later in the day. No snow or ice conditions are forecasted along the route.

Current I-40 Conditions by State

North CarolinaThunderstorms
  • Mostly clear to partly cloudy skies with no precipitation expected.
  • A slight chance of thunderstorms in western North Carolina near Waynesville from 11 a.m. to 2 p.m.
Updated Aug 9, 6:09 AM EDT
Official 511
TennesseeFog
  • Partly cloudy to mostly cloudy skies with no precipitation expected.
  • Winds generally below 20 mph, so no significant wind impacts expected.
Updated Aug 9, 5:09 AM CDT
Official 511
ArkansasClear
  • Clear skies to partly cloudy conditions throughout the day.
  • Winds mostly under 20 mph, with some gusts near 21 mph in the afternoon but not sustained.
  • Temperatures rising into the mid 80s to low 90s, no extreme heat warnings.
Updated Aug 9, 5:09 AM CDT
Official 511
OklahomaClear
  • Clear skies dominate the forecast with very little cloud cover.
  • Winds gusting between 20 and 26 mph from mid-morning through afternoon, especially near Mustang and Texola.
  • Temperatures climbing into the mid 90s, with heat index values near 100°F in some areas.
Updated Aug 9, 5:09 AM CDT
Official 511
TexasHigh Wind
  • Sunny and clear conditions expected along the route.
  • Winds gusting up to 31 mph in the afternoon near Vega, with sustained winds over 20 mph.
  • Temperatures in the upper 80s to low 90s, feeling quite warm.
Updated Aug 9, 5:09 AM CDT
Official 511
New MexicoHigh Wind
  • Clear skies with very little cloud cover throughout the day.
  • Winds gusting between 20 and 25 mph, especially near Tucumcari and Clines Corners.
  • Temperatures mostly in the 70s and 80s, comfortable for travel.
Updated Aug 9, 4:09 AM MDT
Official 511
ArizonaClear
  • Clear to partly cloudy skies expected.
  • Winds generally below 20 mph, no significant wind impacts.
  • Temperatures rising into the upper 80s to low 90s.
Updated Aug 9, 3:09 AM MST
Official 511
CaliforniaClear
  • Sunny and hot conditions with clear skies.
  • Temperatures reaching 105°F with heat index values up to 107°F in Needles, CA.
  • No significant winds expected.
Updated Aug 9, 3:09 AM PDT
Official 511
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