Maryland Gov. Larry Hogan has declared a state of emergency after high winds caused from a fierce windstorm has left hundreds of thousands of residents without power.

The high winds as a result of Friday’s severe weather has resulted in downed trees and other debris along with dangerous driving conditions.

“I want to caution all Marylanders that these dangerously strong winds will continue this evening and into tomorrow, Gov. Hogan said. “We are continuing to see a number of serious accidents on bridges and roadways, and power outages throughout the state. Please use common sense, heed all warnings, and stay inside and off the roads if possible.”

State agencies have been directed to stand ready to respond to the effects of the storm, officials said.

A High Wind Warning is in effect the majority of the D.C. area until 6 a.m. Saturday.