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I-40 Interstate Road Conditions
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
Weather data from Aug 14, 2026 10:44 PM UTC
60°F
104°F
26 mph
1002-1020 hPa
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.
8 current reports along the route. Always check with the responsible state DOT before setting off.
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Lanes blocked
Construction on I-40 Eastbound in Buncombe County from US-19 to Buncombe Haywood County Line. 1 Left lane closed. Id…
Construction on I-40 Eastbound in Buncombe County from US-19 to Buncombe Haywood County Line. 1 Left lane closed. Id: 5729
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Lanes blocked
Construction work on I-40 Eastbound from MP 46 to MP 58 . 1 Right lane closed. Width Restriction: 14ft 3/23/2026 7:00…
Construction work on I-40 Eastbound from MP 46 to MP 58 . 1 Right lane closed. Width Restriction: 14ft 3/23/2026 7:00 PM to 8/31/2026 7:27 AM
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Lanes blocked
The right lanes are closed on I-40 Westbound past Exit 73 in Mcdowell County, due to road work until Monday, August 17…
The right lanes are closed on I-40 Westbound past Exit 73 in Mcdowell County, due to road work until Monday, August 17 at 5:00 pm. Updated 4:55 pm. ID -26080500042.
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Lanes blocked
Paving operations on I-40 Eastbound from Two Guns (MP 229) to Meteor City Rd (MP 240) . 1 Right lane closed. Width…
Paving operations on I-40 Eastbound from Two Guns (MP 229) to Meteor City Rd (MP 240) . 1 Right lane closed. Width Restriction: 14ft Speed Restriction: 45mph 4/20/2026 5:00 AM to 10/30/2026 6:00 PM
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Lanes blocked
The right shoulder is closed on I-40 Eastbound past Exit 196 to past Exit 201 in Forsyth County, due to road work until…
The right shoulder is closed on I-40 Eastbound past Exit 196 to past Exit 201 in Forsyth County, due to road work until Saturday, August 15 at 7:00 am. Updated 9:19 pm. ID -26081400260.
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Lanes blocked
Paving operations on I-40 Westbound from Meteor City Rd (MP 240) to Two Guns (MP 229) . 1 Left lane closed. Width…
Paving operations on I-40 Westbound from Meteor City Rd (MP 240) to Two Guns (MP 229) . 1 Left lane closed. Width Restriction: 14ft Speed Restriction: 45mph 4/15/2026 5:00 AM to 10/30/2026 6:00 PM
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Lanes blocked
Construction on I-40 Westbound in Buncombe County from mile marker 45.5 to US-19. 1 Right lane closed.
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Lanes blocked
Construction work on I-40 Eastbound from US-93 Southbound (MP 71) to Blake Ranch Rd (MP 73) . 1 Right lane closed…
Construction work on I-40 Eastbound from US-93 Southbound (MP 71) to Blake Ranch Rd (MP 73) . 1 Right lane closed. Width Restriction: 14ft Speed Restriction: 55mph 4/28/2026 9:00 PM to 12/22/2026 6:00 PM
Arkansas I-40 weather conditions
Little Rock, AR weather
- In Little Rock, AR, an extreme heat warning is currently in effect from 1:53 AM on August 14, 2026, until 8:00 PM on August 16, 2026
- The maximum feels-like temperature is forecasted to reach 42.2°C (108°F) in approximately 5 to 6 hours, presenting a moderate temperature risk for outdoor activities
- As of 7:00 AM, the temperature is 26.7°C (80°F) with a relative humidity of 72%
- Winds are coming from the southwest at 6 to 14 mph (10 to 23 kph)
- The visibility is clear at 16.1 km (10.0 miles)
- The atmospheric pressure is 1017 mb (30.06 inHg).
Fayetteville, AR weather
- In Fayetteville, AR, a heat advisory is currently in effect from August 13, 2026, at 10:48 PM until August 16, 2026, at 8:00 PM
- The weather is sunny with a temperature of 27.4°C (81°F) and a maximum feels-like temperature expected to reach 40.4°C (104.7°F) later today
- The humidity level is at 63%, which can contribute to the discomfort associated with the high temperatures
- Winds are coming from the south-southwest at 12 km/h (7 mph)
- Visibility is good at approximately 16.1 km (10 miles)
- The atmospheric pressure is measured at 1015 mb (30.0 inHg)
- Given the current conditions, it is advisable to take precautions against heat exposure if engaging in outdoor activities.
Jonesboro, AR weather
- In Jonesboro, AR, an extreme heat warning is currently in effect, valid from 10:27 PM on August 13, 2026, until 8:00 PM on August 16, 2026
- The current temperature stands at 26.0°C (79°F) with a high anticipated to feel like 44.5°C (112°F) later today, presenting a moderate risk for outdoor activities due to the extreme heat
- The humidity is at 81%, contributing to the discomfort
- Winds are light, blowing from the southwest at 6 to 12 kph (4 to 7 mph)
- Visibility is clear at 16.1 km (10.0 miles), and the atmospheric pressure is 1017 mb (30.06 inHg)
- As the day progresses, precautions should be taken to avoid heat-related illnesses.
Arizona I-40 weather conditions
Phoenix, AZ weather
- In Phoenix, AZ, current weather conditions indicate a temperature of 27.8°C (82°F) with a feels-like temperature of 29.2°C (84°F)
- The humidity is at 60%, and the wind is calm, coming from 100° at 2.7 kph (1.7 mph)
- Visibility is clear at 16 km (9.9 miles)
- An extreme heat watch is currently in effect, which is significant as temperatures are expected to rise
- This alert is valid from 10:00 AM on August 17, 2026, until 8:00 PM on August 19, 2026
- There are no immediate weather impacts or risks for outdoor activities at this time.
Tucson, AZ weather
- Current weather conditions in Tucson, AZ indicate a temperature of 24.5°C (76°F) with a humidity level of 72%
- The wind is blowing from the southeast at 3.6 kph (2 mph)
- Visibility is good at 16 km (9.9 miles)
- The sky is mostly cloudy, covering approximately 60%
- An extreme heat watch is in effect from 10:00 AM on August 17, 2026, until 8:00 PM on August 19, 2026
- No significant weather impacts are currently affecting outdoor activities.
Flagstaff, AZ weather
- Current weather conditions in Flagstaff, AZ indicate a clear sky with a temperature of 15.7°C (60°F)
- The humidity level is at 84%, and the dew point is 13.0°C (55°F)
- Winds are coming from the northwest at 5 to 10 km/h (3 to 6 mph)
- Visibility is good at 16 km (9.9 miles)
- The atmospheric pressure is measured at 1012 mb (29.88 inHg)
- There are no active weather alerts at this time.
California I-40 weather conditions
Los Angeles, CA weather
- Current weather conditions in Los Angeles, CA, indicate a temperature of 19.7°C (67°F) with a humidity level of 73%
- The wind is blowing from the south-southeast at 2 km/h (1 mph)
- The atmospheric pressure is measured at 1015 mb (29.97 inHg)
- Visibility is good, reaching 16 km (9.9 miles)
- The sky is mostly cloudy, with cloud coverage around 100%
- As of now, there are no significant weather alerts in effect.
Sacramento, CA weather
- Current weather conditions in Sacramento, CA, indicate a temperature of 14.4°C (58°F) with a humidity level of 81%
- The wind is coming from the south at 4.5 KPH (2.8 mph), and visibility is good at 16 KM (9.9 miles)
- The atmospheric pressure is measured at 1014 MB (29.9 inHg)
- The sky is cloudy, covering approximately 100% of the area
- As of now, there are no active weather alerts.
San Francisco, CA weather
- In San Francisco, CA, the weather is currently characterized by light rain with a temperature of 15.7°C (60°F) and a high humidity level of 91%
- The wind is blowing from the southwest at 5.6 KPH (3 mph), with a visibility of approximately 15.2 km (9.4 miles)
- The atmospheric pressure is measured at 1014 mb (29.9 inHg)
- As of now, there are no active weather alerts in the area
- The conditions indicate a damp environment, so it's advisable to carry an umbrella if you are heading outside.
North Carolina I-40 weather conditions
Charlotte, NC weather
- In Charlotte, NC, a heat advisory is currently in effect from 12:00 PM to 8:00 PM today
- The temperature is around 25.2°C (77.4°F) with a high expected to feel like 42.2°C (108°F) later in the afternoon
- Humidity levels are elevated at 84%, contributing to the discomfort
- Winds are calm at 0 km/h (0 mph)
- The air quality is forecasted to be unhealthy for sensitive groups, with an Air Quality Index (AQI) of 110, primarily due to ozone pollution
- Visibility is good at approximately 14.7 km (9.1 miles), and the sky is mostly cloudy, covering about 60% of the sky.
Raleigh, NC weather
- In Raleigh, NC, a heat advisory is currently in effect from 11:00 AM to 8:00 PM today
- The temperature is currently at 27.7°C (81.9°F) with a maximum feels-like temperature expected to reach 41.1°C (106°F) later in the day, indicating a moderate risk related to heat exposure
- The humidity level is high at 82%, and the sky is mostly cloudy with 16% cloud coverage
- Winds are coming from the west at 0.9 kph (0.6 mph)
- Atmospheric pressure is measured at 1018 mb (30.06 inHg)
- Visibility is good at 16 km (9.9 miles)
- It is advisable to take precautions if engaging in outdoor activities during this heat advisory.
Asheville, NC weather
- Current weather conditions in Asheville, NC indicate a temperature of 19.5°C (67°F) with a feels-like temperature of 19.5°C (67°F)
- The weather is characterized by patchy fog and high humidity at 93%
- Wind is coming from the north-northwest at 3 km/h (2 mph)
- There are no active alerts in the area at this time
- However, there is a noted temperature risk as the forecast maximum feels-like temperature is expected to reach 36°C (97°F) in approximately 5 to 6 hours.
Oklahoma I-40 weather conditions
Oklahoma City, OK weather
- Oklahoma City, OK is currently under a heat advisory that is in effect from 12:28 AM on August 14, 2026, until 7:00 PM on August 16, 2026
- The weather is sunny with a temperature of 28.2°C (82.8°F) and a maximum feels-like temperature expected to reach 40.5°C (104.9°F) later today, posing a low temperature risk for outdoor activities
- The humidity level is at 65%, contributing to the heat index
- Winds are coming from the south-southeast at 12 km/h (7 mph)
- Visibility is good at 16 km (9.9 miles), and atmospheric pressure is measured at 1009 mb (29.8 inHg).
Tulsa, OK weather
- In Tulsa, OK, an extreme heat warning is currently in effect until 8:00 PM on August 14, 2026, followed by a heat advisory lasting until 8:00 PM on August 16, 2026
- The temperature is currently 27.2°C (81°F) with a feels-like temperature of 29.5°C (85°F)
- In approximately 5 to 6 hours, the maximum feels-like temperature is expected to reach 42.6°C (108°F), presenting a moderate temperature risk for outdoor activities
- The humidity is at 74%, and the wind is blowing from the south-southwest at 10 to 20 km/h (6 to 12 mph)
- Visibility is good at 16 km (10 miles)
- The atmospheric pressure is 1011 mb (29.85 inHg), indicating stable weather conditions despite the heat.
Lawton, OK weather
- In Lawton, OK, a heat advisory is currently in effect from 12:28 AM to 8:00 PM today
- The temperature is currently 28.3°C (83°F) with a maximum feels-like temperature expected to reach 41°C (106°F) later this afternoon, indicating a moderate temperature risk for outdoor activities
- Humidity is at 57%, and the wind is blowing from the south-southeast at 22 km/h (14 mph)
- Visibility is good at 16.1 km (10 miles), and atmospheric pressure is measured at 1012 mb (29.9 inHg)
- Conditions are mostly sunny, making it a warm day overall
- It is advisable to take precautions against the heat if engaging in outdoor activities.
Tennessee I-40 weather conditions
Nashville, TN weather
- Nashville, TN is currently experiencing a heat advisory that will remain in effect until 7 PM on August 16, 2026
- The weather conditions are mostly sunny with a temperature of 28.7°C (83.7°F) and a maximum feels-like temperature expected to reach 44.7°C (112.5°F) in the next 5 to 6 hours, indicating a moderate temperature risk for outdoor activities
- The humidity is high at 78%, which can further exacerbate the discomfort
- Wind is light, blowing from the southwest at 2.8 KPH (1.7 MPH)
- The atmospheric pressure is measured at 1015 MB (30.0 inHg)
- Visibility is good at 16 KM (9.9 miles)
- As the day progresses, it's advisable to stay hydrated and avoid prolonged exposure to the heat.
Memphis, TN weather
- In Memphis, TN, a heat advisory is currently in effect from 10:27 PM on August 13, 2026, to 8:00 PM on August 16, 2026
- The current temperature is 27.4°C (81.3°F) with a maximum feels-like temperature expected to rise to 42.8°C (109°F) in about 5 to 6 hours, indicating a moderate temperature risk for outdoor activities
- Humidity is high at 82%, which can exacerbate the heat
- Winds are coming from the southwest at approximately 13 km/h (8 mph)
- The visibility is good at 14.5 km (9.0 miles), and the atmospheric pressure is 1018 mb (30.06 inHg)
- The weather is sunny, making it essential to take precautions against the heat if you plan to be outdoors.
Knoxville, TN weather
- In Knoxville, TN, the current weather is partly cloudy with a temperature of 23.0°C (73°F) and a relative humidity of 99%
- The wind is blowing from the southwest at 2 km/h (1 mph), and visibility is good at 15.2 km (9.4 miles)
- Although there are no active weather alerts, there is a low risk related to outdoor activities due to the forecast maximum feels-like temperature of 38.1°C (100°F) expected in the next 4 to 5 hours
- The atmospheric pressure is at 1022 mb (30.18 inHg)
- Overall, conditions are stable but caution is advised for outdoor plans as the temperature rises later in the day.
Texas I-40 weather conditions
Houston, TX weather
- In Houston, TX, the current weather conditions indicate a mist and fog presence, contributing to reduced visibility at approximately 15.8 km (9.8 miles)
- The temperature is currently 27.9°C (82°F) with a feels-like temperature of 33.1°C (92°F), which poses a moderate temperature risk expected to reach a maximum feels-like temperature of 41.5°C (106.7°F) in the next 5 to 6 hours
- Humidity levels are high at 87%, and the wind is light, blowing from the southeast at 2.8 KPH (1.7 MPH)
- There are no active weather alerts at this time, so outdoor activities should be approached with caution due to the heat risk.
Dallas, TX weather
- In Dallas, TX, a heat advisory is currently in effect from 12:53 AM to 8:00 PM today
- The temperature is around 26.6 °C (79.9 °F) with a forecast maximum feels-like temperature reaching 40.2 °C (104.4 °F) in the next several hours
- The humidity level is high at 82%, which can contribute to the discomfort during outdoor activities
- Winds are coming from the south at approximately 7 to 8 kph (4 to 5 mph)
- The sky is partly cloudy with visibility at 16 km (9.9 miles)
- Overall, caution is advised for outdoor activities due to the potential for heat-related impacts.
El Paso, TX weather
- In El Paso, TX, the current weather conditions indicate a temperature of 23.7°C (74.7°F) with a humidity level of 62%
- The dew point is at 16.1°C (61.0°F), and the pressure is measured at 1016 mb (30.06 inHg)
- Winds are coming from the southwest at 6 km/h (4 mph)
- The sky is mostly cloudy with a cloud coverage of 75%, and visibility is good at 16 km (9.9 miles)
- No significant weather alerts are currently in effect for the area.
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