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, AR, the current weather conditions indicate mist and fog, contributing to a humid atmosphere with a relative humidity of 97%
  • The temperature is currently 21.5°C (70.7°F) and is expected to rise to a maximum feels-like temperature of 37.1°C (98.8°F) later today, which presents a low temperature risk for outdoor activities
  • Wind is gentle, blowing from the south-southwest at about 4 to 9 kph (3 to 6 mph)
  • Visibility is relatively good at approximately 11.2 km (6.9 miles)
  • There are currently no active weather alerts in the area, and no precipitation is expected.

Arizona I-40 weather conditions

  • The current weather in Arizona, AZ, as of June 13, 2026, at 5:00 AM shows a temperature of 18.2°C (64.8°F) with a relative humidity of 51%
  • The wind is coming from the east-southeast at 6 km/h (4 mph)
  • The sky is partly cloudy, with visibility at 16 km (9.9 miles)
  • There are no significant weather alerts or precipitation currently observed
  • The atmospheric pressure is at 1011 mb (29.83 inHg)
  • Overall, conditions are mild and comfortable for outdoor activities.

California I-40 weather conditions

  • California, CA is currently experiencing clear weather conditions with a temperature of 21.5°C (70.7°F)
  • The humidity level is at 59%, and the wind is calm, blowing from the east at 1.3 kph (0.8 mph)
  • Visibility is good at 16 km (9.9 miles)
  • A heat advisory is in effect from June 13, 2026, at 2:43 AM until June 16, 2026, at 11:00 PM, indicating a need for caution due to elevated temperatures expected during this period
  • There are no significant weather impacts reported that would affect outdoor activities at this time.

North Carolina I-40 weather conditions

  • In North Carolina, NC, a heat advisory is currently in effect from 11:00 AM to 8:00 PM today
  • The forecasted maximum feels like temperature will reach 37.8°C (100°F) later in the day, indicating a significant heat risk for outdoor activities
  • At this time, the temperature is 25.6°C (78°F) with a relative humidity of 73%, which contributes to the discomfort
  • Winds are light, coming from the east at approximately 0 to 1 mph (0 to 1.6 kph)
  • The atmospheric pressure is measured at 1016 mb (30.06 inHg), and visibility is clear at 16.1 km (10 miles)
  • It is advisable to take precautions against heat-related illnesses during the advisory period.

Oklahoma I-40 weather conditions

  • Current weather conditions in Oklahoma, OK indicate a light rain with a temperature of 21.5°C (70°F) and a feels-like temperature of 21.5°C (70°F)
  • The humidity is at 84%, and the dew point is 18.6°C (65°F)
  • Winds are coming from the south at 10 to 20 km/h (6 to 12 mph)
  • The pressure is measured at 1013 mb (29.9 inHg)
  • There is a slight risk of severe thunderstorms in the area, although the overall impact is considered low
  • The maximum feels-like temperature is expected to reach 37.3°C (99°F) in about 5 to 6 hours, which also presents a low temperature risk for outdoor activities
  • No active alerts have been issued at this time.

Tennessee I-40 weather conditions

  • Tennessee, TN is currently experiencing active weather impacts related to outdoor activities, with a forecast maximum feels-like temperature reaching 35.1°C (95°F) in approximately 5 to 6 hours
  • The current temperature is 22°C (72°F) with a relative humidity of 92%, indicating a very humid environment
  • Winds are calm, recorded at 0 kph (0 mph), and visibility is good at 8.2 km (5.1 miles)
  • The weather is characterized by patchy fog, and there are no active alerts at this time.

Texas I-40 weather conditions

  • In Texas, the current weather is mostly sunny with a temperature of 22.0°C (71.6°F) and a dewpoint of 21.0°C (69.8°F), resulting in a high humidity level of 94%
  • The wind is blowing from the south at 13 km/h (8 mph), with a wind direction of 180° (south)
  • The pressure is measured at 1014 mb (29.9 inHg), indicating stable atmospheric conditions
  • Visibility is good at 15.7 km (9.8 miles)
  • There are no active weather alerts at this time, and no precipitation is expected.

Cameras for road I-40

IDOT: 187th. HD

4 months ago

Photo from camera: IDOT: 187th. HD

IDOT: Harlem Ave. HD

4 months ago

Photo from camera: IDOT: Harlem Ave. HD

IDOT: W/o LaGrange Rd. HD

4 months ago

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

IDOT: E/o 104th Ave. HD

4 months ago

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

IDOT: Wolf Rd. HD

4 months ago

Photo from camera: IDOT: Wolf Rd. HD

IDOT: Near Wt. Station HD

4 months ago

Photo from camera: IDOT: Near Wt. Station HD

IDOT: Parker Rd. HD

4 months ago

Photo from camera: IDOT: Parker Rd. HD

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