“San Diego is going to be dry into March,” said Sebastian Westerink, a National Weather Service forecaster. High pressure systems will prevent Pacific storms from diving deep into Southern California — a phenomenon that’s largely responsible for San Diego being in the midst of the second-driest rainy season on record.

Forecasters warned Monday that a powerful storm system is approaching County that could trigger flooding and debris flows, particularly in recent burn areas.

High pressure will start to expand from the south across Southern California and power a warming trend through early parts of next week. Thursday along our beaches will get maximum temperatures in the mid-60s with mid-70s for the valleys,