Millions of Southern Californians were on edge as winds began picking up during a final round of dangerous fire weather forecast for the region Wednesday where two massive blazes have killed at least 25 and destroyed thousands of homes.

Weather conditions across Southern California are adding fuel to the fire. Here's a look into why these conditions are prime for wildfires.

On Wednesday morning and afternoon, winds will be the strongest west and north of Los Angeles, mostly in the mountains and higher canyons.

Millions of Southern Californians were on edge as a final round of dangerous fire weather was forecast for the region on Wednesday, along with a rare warning of a “Particularly Dangerous Situation” for an area near where two massive blazes have killed at least 25 and destroyed thousands of homes.