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Texas I-35 Road Conditions
I-35 Road Conditions in Texas
Updated Aug 23, 2026 11:07 PM UTC · Mostly dry
Lowest 101°F near San Antonio, Texas · Highest wind 13 mph near San Antonio, Texas
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Interstate 35 runs the length of Texas, from the Mexican border at Laredo to the Red River above Gainesville, through San Antonio, Austin, Waco and the Dallas–Fort Worth metroplex. Between Hillsboro and Denton it splits in two — I‑35E through Dallas, I‑35W through Fort Worth — and the map here follows the I‑35E side. The weather changes completely along it: flash flooding in the Hill Country, ice storms in the north.
- Road system: Interstate Highway System
- Length: 505 miles via I-35E
- Splits into: I-35E (Dallas) and I-35W (Fort Worth) between Hillsboro and Denton
- Runs from: Laredo (Mexican border) to the Red River (Oklahoma line)
Weather data from Aug 23, 2026 11:07 PM UTC
101°F
109°F
13 mph
1008-1012 hPa
Current I-35 in Texas Conditions by State
Texas I-35 in Texas road conditions
Dry
- Austin 103°F · 12 mph wind · Dry
- Dallas 109°F · 7 mph wind · Dry
- San Antonio 102°F · 9 mph wind · Dry
See live weather forecast for Interstate 35 across Texas. Get real‑time road and weather conditions displayed directly on the interactive map for the drive from Laredo through San Antonio, New Braunfels, San Marcos, Austin, Waco, Hillsboro, Dallas and Denton to Gainesville and the Oklahoma state line.
The map shows live weather conditions along the route, updated frequently to help drivers plan around Hill Country flash flooding and North Texas ice. Forecasts are generated for the next 6 hours at key highway points and include temperature and weather conditions such as clear skies, rain, storms, snow, high wind, hail, and more.
No full closures are reported on I-35 in Texas as of Aug 23, 2026 11:07 PM UTC, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Dallas, TX weather
- In Dallas, TX, an extreme heat warning is currently in effect from 12:00 PM to 9:00 PM today, indicating significant risks associated with high temperatures
- The maximum feels-like temperature is forecasted to reach approximately 39.2 °C (102 °F) later today
- Additionally, an air quality alert is active until 5:15 PM, suggesting that outdoor activities may be impacted due to moderate air quality risks
- The temperature is currently 29.9 °C (85.8 °F) with a dew point of 20.4 °C (68.7 °F), leading to a humidity level of 57%
- Winds are coming from the southeast at about 4 km/h (2 mph)
- Visibility is good at 16 km (9.9 miles)
- The atmospheric pressure is measured at 1016 mb (30.06 inHg)
- As the day progresses, it is advisable to stay hydrated and limit outdoor exposure, especially during the peak heat hours.
I-35 in Texas Road Weather FAQ
- Is I-35 in Texas closed right now?
- No full closures are reported on I-35 in Texas. No lane closures or roadworks are reported either.
- What are I-35 in Texas road conditions today?
- The map on this page colours the route along I-35 in Texas by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 11:07 PM UTC. Right now temperatures run from 101°F to 109°F and the strongest wind is 13 mph.
- How often are I-35 in Texas road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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