The red-flag warning extended Wednesday for the county’s inland valleys still is set to expire at 6 p.m. Friday, with overnight northeast winds of 28 to 38 mph and possible gusts of 50 mph, up to 60 mph after midnight.

San Diego County, which is in the midst of one of the driest periods on record, will be lashed by unusually cold and expansive Santa Ana winds early Wednesday that could spark wildfires, snap