California is being lashed by powerful winds that are causing humidity levels to drop and raising the risk of wildfires in much of the state.

PG&E Corp. shut off power to nearly 25,000 homes and businesses in Northern California as gusty Diablo winds and plummeting humidity levels raise the risk of wildfires.

California is preparing for what may be the most severe round of heightened wildfire risk so far this year in certain areas of the state, including the San Francisco Bay Area and Southern California.

California is bracing for another round of powerful winds that will cause humidity levels to drop and raise the risk of wildfires in much of the state.

The state will see multiple wind events through the middle of the week, and its biggest cities may face quickly growing wildfires.

California residents face power shutoffs this week as warm, dry winds sweep the state, threatening to tear down utility lines and spark wildfires.