Ladders 551, 554, Engines 525, 523, Battalion Chief 505 responded to a house fire on Welston. 551 arrived on scene and reported fire from the roof. 2nd in unit caught a plug. 551 made entry to find heavy fire in the attic. Fire was placed under control quickly with fire damage being contained to the attic and roof area. Damage was estimated at $95,000. Cause of the fire is believed to be lightning.