A fast-moving brush fire, dubbed the Henderson Fire, caused significant disruption for Oceanside residents and North County commuters on Friday, October 16, 2026, forcing the closure of Interstate 5 in both directions near Oceanside and Camp Pendleton. The blaze, which grew to 2,080 acres with 0% containment as of Friday, prompted authorities to temporarily shut down the vital freeway, impacting thousands of daily travelers in the region [Local Angle Research]. The closure of Interstate 5, a primary north-south artery, directly affected daily commutes, local businesses, and access to and from Oceanside, Camp Pendleton, and communities stretching into Orange County, creating widespread traffic delays across the San Diego County area [Local Angle Research].
m. Thursday, October 15, 2026, near the intersection of Basilone Road and Las Pulgas Road on Camp Pendleton [Local Angle Research]. Driven by easterly winds, the flames advanced westward toward Interstate 5 and populated areas of the base, posing a direct "threat to Interstate 5," according to an incident update from Cal Fire [Local Angle Research].
This westward advance led to the initial closure of Interstate 5 in both directions between Basilone Road and Harbor Drive in Oceanside during the evening commute on Thursday [Local Angle Research]. On Friday, October 16, 2026, the freeway experienced further closures. , the California Highway Patrol’s Oceanside office reported that heavy smoke was affecting visibility along both sides of the freeway, leading to a full closure of Interstate 5 in both directions between Vandergrift Boulevard and Basilone Road [1][5][6][7][8].
, the highway remained fully closed as fire crews and Caltrans personnel worked to contain the fire and reopen the freeway [1][5][6][7][8]. m. on Friday, when the northbound lanes of Interstate 5 reopened [1][5][6][7][8].
The southbound lanes, however, remained closed between Basilone Road and Vandergrift Boulevard while Caltrans crews worked to clean the roadway [1][5][6][7][8]. , authorities reported that all northbound and southbound lanes of Interstate 5 had reopened, and the freeway closure was fully lifted [1][5][6][7][8]. Drivers were advised to use caution while traveling through the area [1].
Beyond Interstate 5, the fire also forced the closure of Las Pulgas Road on Camp Pendleton between Brown Street and Stuart Mesa Road, and the Las Pulgas Gate to the base was closed to all traffic except emergency vehicles [Local Angle Research]. For those needing alternate routes, Interstate 15 was identified as the main option, though officials warned of significant traffic delays [Local Angle Research]. Evacuation orders were issued for residents of the Las Flores, also known as the 41 Area, on Camp Pendleton, though these orders were later lifted as fire conditions improved [Local Angle Research].
Evacuation points were established at Paige Field House, 1110 13th Street in Oceanside, and the 21 Area Fitness Center at 210750 in Oceanside [Local Angle Research]. The San Diego County Air Pollution Control District issued an active smoke advisory for affected communities, including Oceanside, Carlsbad, and Vista, warning residents about reduced air quality [Local Angle Research]. The available reporting does not provide details on the fire’s cause, any injuries sustained, or structural damage beyond the impact on transportation routes [1][4][5].