The heaviest rain slammed into the region Thursday night into early Friday morning, triggering flash floods and mudslides ...

According to California Highway Patrol (CHP) Newhall, a mudslide has blocked lanes on highway 210 near Roxford Street.

Rain rates are anticipated to reach 1 inch of rain per hour as the front moves through. Meteorologist Paul Deanno said that would be five to 10 times more intense than Thursday morning's rainfall.