Dallas Fire Rescue was called to an early morning house fire on the 7100 Block of Briarmeadow Drive, in North Central Dallas.
Crews arrived to find a 2-story home with the roof on fire.
The two people inside the home escaped to safety. One of the people told firefighters they heard a loud and very close sound of thunder.
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Upon further investigation, it was determined the fire started from a lightning strike to the home's chimney.
It took firefighters about an hour and a half to fully extinguish the fire.
Investigators say the blaze was contained mostly to the attic and the home did sustain water damage.