According to Cal Fire, much of the San Diego region is especially vulnerable this time of year, so the agency is standing by with extra resources in case a fire breaks out.

A strong Santa Ana wind event is leading to dry and blustery conditions across San Diego County, raising concern for rapid fire spread if one were to break out.

BOSTON - Almost all of Massachusetts will be under a red flag warning from 8 a.m. to 6 pm. on Wednesday, the National Weather Service declared, as conditions will make it harder to put out brush fires burning in the state.