A powerful Christmas storm is dumping rain across Southern California, putting at-risk communities on alert and prompting evacuation warnings.

Knott’s Berry Farm and Six Flags Magic Mountain will close on Christmas Eve due to heavy rain as a powerful “atmospheric river” storm system moves through Southern California. Knott’s and Magic Mountain will be closed on Wednesday, Dec. 24 due to inclement weather, according to each park’s official website.

A series of powerful Pacific storms will pound the Bay Area and Central Coast through Christmas week, bringing periods of heavy rain, damaging winds, flooding and dangerous surf, forecasters said Monday.

A Severe Thunderstorm Warning has been issued for east central Ventura County and northwestern Los Angeles County until 8:30 a.m.

The National Weather Service says snow and high winds are expected, while heavy rain could pose possibly 'life-threatening' risks in parts of the region.

An emphasis has been placed on burn scar areas that are more susceptible to flooding, mudslides and debris flows.

Sacramento officials are preparing for more heavy rain and fierce winds amid Christmas. This game can be pretty tough, so we've got clues if you're stuck on today's puzzle, #928. Dan Titus covers key developments so far this fantasy hoops season for any football managers ready to jump inot a basketball league.

Multiple roads in both Los Angeles and Ventura counties remain affected by the wild storm, with some state routes experiencing full closures.