Mexicali will endure extreme heat this weekend, with air temperatures forecast to reach 44°C (111°F) and a thermal sensation of 47°C (117°F), according to municipal civil protection authorities. Overnight lows will barely dip to 27°C (81°F), giving residents and travelers little chance to cool down.
The dangerous conditions are part of a prolonged heat event driven by a high-pressure system that has been parked over northern Baja California for days. Mexico’s Servicio Meteorológico Nacional (National Weather Service) confirmed that temperatures will remain above 44°C through the weekend, though increased cloud cover is expected starting Saturday.
Cooling Shelters Open Across the City
Cooling shelters operated by DIF Municipal are open in both the city of Mexicali and the Valle de Mexicali. The shelters provide refuge during peak solar radiation hours, which civil protection officials defined as noon to 6 p.m. Authorities are urging residents to stay indoors during that window and to call 911 to report anyone in heat-related distress.
Agricultural and remote zones in the Mexicali Valley face even worse conditions. Temperatures in those areas can exceed 50°C (122°F), where heat stroke risk is acute. Civil protection has logged more than 8,000 heat-related medical responses in Mexicali so far this season, according to El Imparcial.
Road Travel Carries Extra Risk
For anyone driving through the region toward Valle de Guadalupe or San Felipe, the heat turns a routine vehicle breakdown into a medical emergency. Civil protection recommends carrying double the usual water supply, ensuring vehicles are in good mechanical condition, and keeping cell phones fully charged. Roadside assistance can take hours in remote stretches of Highway 5 or the road to San Felipe.
The persistent high-pressure system has also strained Mexicali’s power grid. Older air conditioning units in many homes and businesses are running at full capacity around the clock. Residents are advised to check on elderly or vulnerable neighbors, particularly those without reliable cooling systems.
Record Heat Is Not New to Mexicali
Mexicali broke its all-time heat record in August 2025 when temperatures reached 52.7°C (127°F). While this weekend’s forecast falls short of that extreme, sustained days above 44°C with minimal nighttime cooling place significant stress on the human body. Officials warn that hydration, shade, and limited outdoor exposure remain the most effective defenses against heat-related illness.
This story was first reported by El Imparcial.

