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As a dangerous heatwave settles over Texas, truck drivers crossing the Lone Star State are being urged to take extra safety measures. With temperatures forecast to reach up to 46°C (115°F) in some areas, long-haul drivers face serious heat-related risks, both for themselves and their equipment.


Drivers planning routes through Texas this week should prepare for severe weather conditions as a major heatwave grips the region. Temperatures will climb between 36°C and 41°C (97°F to 106°F) across most of the state, with southern cities like Laredo, Houston, Austin, and San Antonio facing extreme heat indexes above 43°C (110°F).

The National Weather Service has issued heat alerts for large portions of South Texas, warning that many people — including drivers — may not yet be acclimated to this level of heat so early in the year. This increases the likelihood of heat-related illnesses such as heat exhaustion or even heatstroke, especially for those behind the wheel for extended periods.

Key Precautions for Truckers:

  • Hydration First: Drink water consistently — not just when you feel thirsty. Avoid energy drinks or excessive caffeine.
  • Truck Maintenance: Check coolant levels, engine temperature gauges, and tire pressure before each trip. Heat can rapidly increase the risk of blowouts and engine overheating.
  • Rest Stops: Schedule breaks in shaded or air-conditioned locations. Avoid prolonged idle times in the sun.
  • Plan Ahead: Use weather apps and GPS tools to monitor local alerts and reroute if necessary to avoid the hottest zones.
  • Watch for Symptoms: If you or a fellow driver start feeling dizzy, nauseous, or confused, seek medical help immediately — these may be signs of heatstroke.

Hotspots to Watch:

  • Austin & Houston: Daily highs expected to reach 38–39°C (100–102°F) until at least Saturday.
  • Del Rio & Laredo: Border areas will flirt with 44°C (111°F) and could hit all-time May records.
  • Corpus Christi & Rio Grande Valley: Index values may rise 3–5°C above air temperatures due to extreme humidity.

This heatwave is the first major one of the year and follows a high-pressure dome that moved from the western U.S. into the southern states. Forecast models suggest that conditions may persist or intensify over the next several days, potentially setting multiple daily or monthly records.

Looking Ahead:

The heat is expected to stretch into the weekend and possibly expand into parts of the Gulf Coast and Southeast. If you’re a trucker hauling freight through Texas or neighboring states, prepare accordingly — and don’t underestimate the risks. Safety on the road begins with staying cool, calm, and well-prepared.

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