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Today in History: Boundary Fire in Arizona extinguished after 32 days

7/3/2025

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Summary

Story summary

On July 3, 2017, the Boundary Fire in Arizona was declared extinguished after burning for 32 days. The wildfire consumed 17,788 acres across the Coconino and Kaibab National Forests, ignited by lightning on June 1. High temperatures, steep terrain, and leftover dead trees fueled its rapid spread.

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Story summary

On July 3, 2017, the Boundary Fire in Arizona was declared extinguished after burning for 32 days. The wildfire consumed 17,788 acres across the Coconino and Kaibab National Forests, ignited by lightning on June 1. High temperatures, steep terrain, and leftover dead trees fueled its rapid spread.