Cold Front Number 39 moved across northern Mexico over the weekend, bringing strong winds, dropping temperatures, and the possibility of snow or sleet in Baja California’s mountain ranges, according to Mexico’s National Meteorological Service (SMN).
The weather system, which arrived during the March 7–8 period, is driving wind gusts of 50 to 70 kilometers per hour across the region and producing rougher-than-normal conditions along the Pacific coastline. For residents and travelers in Baja California, the front represents the most significant weather event since Cold Front 38 passed through the region earlier in March.
Snow and Sleet Risk in the Mountains
The primary concern for Baja California is the probability of snow or sleet in the Sierra de San Pedro Mártir and the La Rumorosa area. Overnight temperatures in these mountain zones are expected to drop sharply, with conditions that could produce accumulation at higher elevations.
Drivers on the Tijuana–Mexicali highway, which crosses through La Rumorosa, should exercise particular caution. The mountain pass is notorious for dangerous conditions during winter weather events, and visibility can deteriorate rapidly when snow or fog moves in. Authorities recommend checking road conditions before attempting the crossing and carrying emergency supplies.
Coastal Hazards and Wind Warnings
Along the Pacific coast, the cold front is generating elevated surf conditions and strong onshore winds. Beachgoers and surfers from Tijuana south through Ensenada and along the Baja Pacific should expect rougher-than-normal ocean conditions for the next several days.
The SMN has also noted that the interaction between Cold Front 39 and an approaching cyclonic circulation could develop into a Fourth Winter Storm affecting the Baja California peninsula, potentially extending cold and wet conditions into the coming week.
What Travelers Should Know
For those planning highway travel between Tijuana and Mexicali or heading into mountain recreation areas, the key precautions are straightforward: check SMN forecasts before departing, carry warm clothing and blankets, ensure vehicles have adequate tire tread for potentially slippery roads, and avoid mountain driving at night when temperatures drop most sharply. Coastal visitors should pay attention to local beach advisories regarding high surf and rip currents.