I-40 Interstate Road Conditions 511

I-40

Weather for road I-40

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Interstate 40 (I‑40) runs more than 2,550 miles from Barstow, California, to Wilmington, North Carolina, serving as a major east–west route across the southern United States. It passes through key cities such as Albuquerque, Oklahoma City, Little Rock, Memphis, and Raleigh.

  • Road system: Interstate Highway System
  • Year of construction: 1957
  • Length: 2,555 miles

Temperature

Wind Speed

Rain Precip.

Coverage

Up to 144 hours

Lowest temp.

-

Highest temp.

-

Highest wind

-

Pressure

-

Description

See live weather forecast for I‑40. Get real‑time I‑40 road weather conditions displayed directly on the interactive map for your route from California to North Carolina. The map shows live weather conditions along Interstate 40, updated frequently to help drivers plan safer cross‑country trips. Forecasts are generated for the next 6 hours at key highway points and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more.

Weather conditions overview along the road I-40

Arkansas I-40 weather conditions

  • In Arkansas, the current weather features mist and fog with a temperature of 14.8°C (58.6°F) and a feels-like temperature of the same
  • The relative humidity is high at 93%, and the atmospheric pressure is 1014 mb (29.9 inHg)
  • Winds are coming from the north at 7 kph (4 mph)
  • Visibility is reduced to 16 km (10 miles) due to the misty conditions
  • In Alabama, there is a significant weather threat as an area of heavy precipitation is moving in from the northwest, with occasional lightning possible
  • This storm is currently located about 10.1 km (6.3 miles) away and does not have tornadic activity associated with it.

Arizona I-40 weather conditions

  • In Arizona, the current weather is clear with a temperature of 0.6°C (33°F) and a feels-like temperature of 0.6°C (33°F)
  • Humidity is at 59%, and the atmospheric pressure is 1023 mb (30.2 inHg)
  • Winds are coming from the southwest at 2 to 5 kph (1 to 3 mph), with visibility extending to 16 km (10 miles). In Alabama, a weather threat is present as an area of heavy precipitation is approaching from the northwest, accompanied by occasional lightning
  • The storms are located approximately 10.1 km (6.3 miles) away, and there is no indication of tornadic activity.

California I-40 weather conditions

  • In California, the current weather is clear with a temperature of 9.4°C (49°F) and a dew point of 6.4°C (43°F)
  • The relative humidity is at 81%, and the pressure is 1020 mb (30.12 inHg)
  • Winds are light, blowing from the east-northeast at 2 km/h (1 mph), providing good visibility of 16 km (10 miles). In Alabama, there is an approaching area of heavy precipitation from the northwest, expected to arrive within 10.1 km (6.3 miles)
  • Occasional lightning is possible, but there are no tornadic conditions reported
  • The weather situation is being monitored closely due to the potential for storms.

North Carolina I-40 weather conditions

  • In North Carolina, the current weather is mostly cloudy with a temperature of 15.2°C (59°F) and a humidity level of 97%
  • The wind is blowing from the south at 3 km/h (2 mph)
  • Visibility is good at approximately 14.5 km (9.0 miles), and the atmospheric pressure is 1015 mb (29.9 inHg)
  • There are no significant weather alerts in effect for this area at this time. In Alabama, there is an active weather threat as an area of heavy precipitation is approaching from the northwest, with occasional lightning possible
  • The storms are currently about 20.6 km (12.8 miles) away
  • There is no indication of tornadic activity associated with these storms.

Oklahoma I-40 weather conditions

  • In Oklahoma, the current weather is characterized by sunny conditions with a temperature of 9.4°C (49°F) and a feels-like temperature of 8.1°C (47°F)
  • The relative humidity is at 84%, indicating a fairly humid atmosphere
  • Winds are blowing from the east at 16.7 kph (10 mph)
  • The pressure is measured at 1020 mb (30.12 inHg), and visibility is good at 16 km (10 miles)
  • In Alabama, there is a significant weather threat as an area of heavy precipitation is approaching from the northwest, with occasional lightning possible
  • The storms are currently located approximately 20.6 km (12.8 miles) away, but they are not expected to be tornadic.

Tennessee I-40 weather conditions

  • In Tennessee, the current weather conditions indicate a temperature of 18.1°C (64°F) with a humidity level of 87%
  • The atmosphere is cloudy with a sky coverage of 100%
  • The wind is blowing from the southwest at 12.5 km/h (7.8 mph)
  • Visibility is approximately 7.9 km (4.9 miles), and the pressure is measured at 1011 mb (29.83 inHg)
  • In Alabama, a weather threat is present due to an area of heavy precipitation approaching from the northwest, expected to arrive within approximately 20.6 km (12.8 miles)
  • Occasional lightning is possible with this system, but no tornadic activity has been reported.

Texas I-40 weather conditions

  • In Texas, the current weather is mostly cloudy with a temperature of 20.4°C (68.7°F) and a dew point of 19.3°C (66.7°F), leading to a high humidity level of 93%
  • The wind is blowing from the east-southeast at 15.8 km/h (9.8 mph)
  • The atmospheric pressure is at 1010 mb (29.83 inHg)
  • Visibility is good at approximately 14.8 km (9.2 miles)
  • In Alabama, there is an area of heavy precipitation approaching from the northwest, with occasional lightning possible
  • The storms are located about 20.6 km (12.8 miles) away, but there are no tornadic conditions reported.

Cameras for road I-40

IDOT: 187th. HD

3 months ago

Photo from camera: IDOT: 187th. HD

IDOT: Harlem Ave. HD

3 months ago

Photo from camera: IDOT: Harlem Ave. HD

IDOT: W/o LaGrange Rd. HD

3 months ago

Photo from camera: IDOT: W/o LaGrange Rd. HD

IDOT: E/o 104th Ave. HD

3 months ago

Photo from camera: IDOT: E/o 104th Ave. HD

IDOT: Wolf Rd. HD

3 months ago

Photo from camera: IDOT: Wolf Rd. HD

IDOT: Near Wt. Station HD

3 months ago

Photo from camera: IDOT: Near Wt. Station HD

IDOT: Parker Rd. HD

3 months ago

Photo from camera: IDOT: Parker Rd. HD

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