The incredible video was caught near Big Pine Highway and Largo Vista.
Strong, erratic winds have been a major factor in spreading the blaze, which erupted in the Angeles National Forest on Sept. 6.
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Fire officials say those winds have been fueling the blaze as it moves north.
The raging inferno continued its march Sunday across the San Gabriel Mountains and burned semi-rural properties in the community of Juniper Hills. The fire scorched 99,428 acres as of Sunday morning.
Containment of the blaze remains at 15%. Full containment is not expected until Oct. 30, officials say.
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