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I-20 Interstate Road Conditions
Weather for road I-20
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Interstate 20 (I‑20) runs about 1,540 miles from Kent, Texas, to Florence, South Carolina, connecting the American Southwest with the Southeast. It passes through major cities including Dallas, Shreveport, Jackson, Birmingham, Atlanta, and Columbia.
- Road system: Interstate Highway System
- Year of construction: 1957
- Length: 1,540 miles
Weather data from Aug 14, 2026 8:41 PM UTC
85°F
100°F
16 mph
1007-1020 hPa
See live weather forecast for I‑20. Get real‑time I‑20 road and weather conditions displayed directly on the interactive map for your route from Texas to South Carolina.
The map shows live weather conditions along Interstate 20, updated frequently to help drivers plan safer trips across the South. 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.
3 current reports along the route. Always check with the responsible state DOT before setting off.
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Lanes blocked
Road Work : I-20 W between MS 22 / Flora / Edwards EX 19 and Flowers / Ceres Blvd EX 15 - Left lane closed. Traffic…
Road Work : I-20 W between MS 22 / Flora / Edwards EX 19 and Flowers / Ceres Blvd EX 15 - Left lane closed. Traffic will be shifted to head-to-head in the eastbound lanes. Wide loads over 17 feet are not permitted through the work zone and should seek an alternate route. Hinds County
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Lanes blocked
Road Work : I-20 E between Flowers / Ceres Blvd EX 15 and MS 22 / Flora / Edwards EX 19 - Left lane closed. No wide…
Road Work : I-20 E between Flowers / Ceres Blvd EX 15 and MS 22 / Flora / Edwards EX 19 - Left lane closed. No wide loads over 17 feet, seek alternate route. Warren County
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Lanes blocked
Road Work : I-20 E at MS River Bridge - Left lane closed. The Louisiana Department of Transportation is performing…
Road Work : I-20 E at MS River Bridge - Left lane closed. The Louisiana Department of Transportation is performing bridge maintenance on I-20 Eastbound at the Mississippi River Bridge. Beginning Saturday, July 11, 2026, an 11-foot width restriction will be in effect for approximately six weeks. Vehicles wider than 11 feet must use an alternate route. Warren County
Alabama I-20 weather conditions
Birmingham, AL weather
- In Birmingham, AL, a heat advisory is currently in effect from 10:59 PM on August 13, 2026, until 9:00 PM on August 15, 2026
- Presently, the temperature is 26.6 °C (79.9 °F) with a dew point of 24.1 °C (75.4 °F), resulting in a high humidity level of 86%
- Winds are light, blowing from the southwest at 1 to 3 kph (1 to 2 mph)
- The forecast indicates that the maximum feels-like temperature will reach 42.5 °C (108.5 °F) in about 5 to 6 hours, posing a moderate temperature risk for outdoor activities
- The visibility is good at 16.1 km (10.0 miles).
Mobile, AL weather
- In Mobile, AL, a heat advisory is currently in effect from 11:00 AM to 8:00 PM on August 14, 2026
- The weather is mostly sunny with a current temperature of 26.8°C (80°F) and a maximum feels-like temperature expected to reach 43.1°C (109°F) in the next several hours, indicating a moderate temperature risk
- The humidity level is high at 92%, contributing to the discomfort
- Wind speeds are light, coming from the west at around 6 km/h (4 mph)
- The atmospheric pressure is 1020 mb (30.12 inHg), and visibility is good at 16.1 km (10 miles)
- These conditions suggest that outdoor activities should be approached with caution due to the extreme heat.
Huntsville, AL weather
- In Huntsville, AL, a heat advisory is currently in effect from 4:50 AM on August 14, 2026, until 7:00 PM on August 16, 2026
- The weather is sunny with a current temperature of 25.2°C (77.4°F) and a high expected to feel like 41.9°C (107.4°F) approximately 5 to 6 hours from now, indicating a moderate temperature risk
- The humidity is high at 94%, which can exacerbate the heat conditions
- Winds are light, coming from the south at 1.4 KPH (0.9 MPH)
- Visibility is good at 15.2 kilometers (9.4 miles), and there are no significant precipitation or snowfall amounts reported at this time.
Georgia I-20 weather conditions
Atlanta, GA weather
- In Atlanta, GA, a heat advisory is currently in effect from 12:00 PM on August 14, 2026, until 8:00 PM on August 15, 2026
- The forecast indicates that the maximum feels-like temperature will reach 40°C (104°F) approximately 5 to 6 hours from now
- The air quality is expected to be unhealthy for sensitive groups, with an AQI of 109 due to ozone pollution, projected for 3 to 4 hours later
- As of now, the temperature is 26.7°C (80°F) with a dew point of 23.5°C (74°F) and humidity at 82%
- Winds are light from the west at 3 km/h (2 mph)
- Visibility is good at 16 km (10 miles), and the atmospheric pressure is 1016 mb (30.06 inHg)
- The weather is currently sunny, making it a warm day overall.
Savannah, GA weather
- Savannah, GA is currently under an extreme heat warning effective until 8 PM today, with an extreme heat watch in place for tomorrow from 11 AM to 8 PM
- The temperature is currently 25.1 °C (77.2 °F) and is expected to rise significantly, with a maximum feels-like temperature reaching 44 °C (111 °F) later this afternoon
- Humidity levels are high at 90%, contributing to the discomfort
- Winds are light, coming from the west at 7 to 15 mph (11 to 24 km/h)
- Visibility is good at approximately 17.5 km (10.9 miles)
- The atmospheric pressure is measured at 1018 mb (30.06 inHg)
- With these conditions, it's important to take precautions if engaging in outdoor activities, especially during the peak heat hours.
Augusta, GA weather
- In Augusta, GA, a heat advisory is currently in effect from 6:40 AM to 8:00 PM today
- The forecast indicates a maximum feels-like temperature reaching 43.4°C (110°F) approximately 5 to 6 hours from now, which presents a moderate temperature risk for outdoor activities
- As of 8:02 AM, the temperature is 26.3°C (79°F) with humidity at 85%
- Winds are light, blowing from the west at 1.8 KPH (1 mph)
- Visibility is excellent at 16.2 km (10.1 miles), and the atmospheric pressure reads 1019 mb (30.08 inHg)
- The weather is sunny, making it crucial to take precautions against the heat if engaging in outdoor activities.
Louisiana I-20 weather conditions
New Orleans, LA weather
- New Orleans, LA is currently under a heat advisory effective from 11:00 AM to 8:00 PM today
- The temperature is at 27.6°C (81.7°F) with a maximum feels-like temperature expected to reach 41.5°C (106.7°F) in about 5 to 6 hours
- The humidity level is quite high at 82%, which contributes to the discomfort
- Winds are light, blowing from the west at 1.8 KPH (1.1 MPH)
- Visibility is good at 16 km (9.9 miles)
- The atmosphere is clear and sunny, making it a typical hot day for the region
- It is advisable to take precautions if engaging in outdoor activities during the peak heat hours.
Shreveport, LA weather
- In Shreveport, LA, a heat advisory is currently in effect from 12:15 AM on August 14, 2026, until 8:00 PM on August 16, 2026
- The maximum feels-like temperature is forecasted to reach 39°C (102°F) in the next 5 to 6 hours, indicating a significant risk related to outdoor activities
- As of 7:03 AM, the temperature is 26.2°C (79°F) with a relative humidity of 94%, creating a muggy atmosphere
- The wind is blowing from the south-southwest at 15 km/h (9 mph)
- The sky is partly cloudy with 16% cloud coverage, and visibility is good at 16.1 km (10 miles)
- It is advisable to take precautions against the heat during this period.
Baton Rouge, LA weather
- Baton Rouge, LA is currently experiencing a heat advisory in effect from 11:00 AM to 8:00 PM on August 14, 2026
- The forecast maximum feels like temperature is expected to reach 39.9 °C (103 °F) in about 4 to 5 hours, indicating a significant temperature risk for outdoor activities
- At present, the temperature is 26.0 °C (79 °F) with a relative humidity of 89%
- The wind is calm at 0 km/h (0 mph) with no precipitation expected
- Visibility is good at 13.6 km (8.5 miles)
- It is advisable to take precautions against the heat if engaging in outdoor activities during the advisory period.
Mississippi I-20 weather conditions
Jackson, MS weather
- In Jackson, MS, a heat advisory is currently in effect from 2:06 AM on August 14, 2026, until 8:00 PM on August 16, 2026
- The temperature is currently 26.8°C (80°F) with a maximum feels-like temperature expected to reach 41.2°C (106°F) in the next few hours, indicating a moderate risk for outdoor activities due to the heat
- The humidity level is at 74%, which may contribute to the discomfort
- Winds are light, blowing from the southwest at 6 km/h (4 mph)
- The visibility is clear at 16 km (10 miles)
- Overall, it is a sunny day, but precautions should be taken to stay cool and hydrated due to the high heat index.
Gulfport, MS weather
- In Gulfport, MS, a heat advisory is currently in effect from 11:00 AM to 8:00 PM today
- The temperature is currently at 26.2°C (79°F) and is expected to feel like 41°C (106°F) approximately 5 to 6 hours from now, posing a moderate risk for outdoor activities
- The humidity level is high at 88%, which may exacerbate the heat stress
- Winds are coming from the northwest at 8 km/h (5 mph)
- Visibility is good at 16.1 km (10 miles), and the atmospheric pressure is stable at 1020 mb (30.1 inHg)
- Overall, it is a sunny day, but precautions should be taken due to the high heat index.
Tupelo, MS weather
- In Tupelo, MS, a heat advisory is currently in effect from 10:27 PM on August 13, 2026, until 8:00 PM on August 16, 2026
- The maximum feels-like temperature is expected to reach 43.1°C (109.6°F) in the next 4 to 5 hours, indicating a moderate risk related to temperature
- At 7:05 AM, the temperature is 24.2°C (75.6°F) with a dew point of 23.1°C (73.6°F) and humidity at 94%
- Winds are light, coming from the southwest at 5 to 10 mph (8 to 16 km/h)
- The atmospheric pressure is 1019 mb (30.07 inHg)
- The weather is sunny with good visibility of 14.5 km (9.0 miles).
South Carolina I-20 weather conditions
Charleston, SC weather
- Charleston, SC is currently experiencing an extreme heat warning in effect from 7:43 AM to 8:00 PM today
- The forecast maximum feels like temperature is expected to reach 42.6°C (108.7°F) in the next few hours, which poses a moderate temperature risk for outdoor activities
- The current temperature is 26.1°C (79.0°F) with a dew point of 24.1°C (75.4°F) and humidity at 88%
- Wind is coming from the southwest at 7 km/h (4 mph)
- The weather is sunny, and visibility is good at 16 km (9.9 miles).
Columbia, SC weather
- Columbia, SC is currently under a heat advisory that is in effect from 6:40 AM to 8:00 PM today
- The maximum feels-like temperature is forecasted to reach 42.7 °C (108.9 °F) in the next few hours, which poses a moderate risk for outdoor activities
- As of 8:08 AM, the temperature is 25.3 °C (77.5 °F) with a humidity level of 91%
- Winds are light, blowing from the west-southwest at 2 to 4 mph (3 to 6 kph)
- The sky is clear with good visibility at 16 km (9.9 miles)
- Overall, residents should take precautions to stay hydrated and limit outdoor exposure during the hottest parts of the day.
Greenville, SC weather
- In Greenville, SC, a heat advisory is currently in effect from 12:00 PM to 8:00 PM today
- The forecast indicates that the maximum feels-like temperature will reach 41.2°C (106°F) in about 5 to 6 hours, presenting a moderate temperature risk
- Additionally, air quality is expected to be unhealthy for sensitive groups, with an Air Quality Index (AQI) of 107 due to ozone, which poses a low risk
- The current temperature is 23.7°C (74.7°F) with a relative humidity of 94%
- Winds are light, blowing from the northwest at 1 km/h (1 mph)
- The visibility is good at 16 km (9.9 miles), and the atmospheric pressure is 1018 mb (30.06 inHg)
- Overall, outdoor activities should be approached with caution due to the heat advisory and air quality concerns.
Texas I-20 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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