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Madre Fire Surges Past 52,000 Acres as Containment Edges to 10%

Evacuation orders remain in effect along closed State Route 166, with crews bolstering containment despite scorching conditions featuring high heat, low humidity, gusty winds.

The Madre wildfire burns on Thursday, July 3, 2025, in San Luis Obispo County, Calif.
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Overview

  • The wildfire has grown beyond 52,000 acres with containment rising to roughly 10% after explosive early-season expansion.
  • A unified command led by the U.S. Forest Service alongside Cal Fire and the Bureau of Land Management has mobilized nearly 600 personnel, four helicopters, multiple air tankers and over 50 firefighting vehicles.
  • Mandatory evacuations cover multiple zones in San Luis Obispo and Santa Barbara counties and State Route 166 is closed from US 101 near Santa Maria to Perkins Road in New Cuyama.
  • Smoke plumes have triggered a county-wide air quality watch for Santa Barbara and Ventura counties, prompting health advisories for sensitive groups.
  • Officials warn that high temperatures, low humidity, gusty winds are hampering containment while the fire’s cause remains under investigation.