SAN DIEGO — A red flag warning signifying wildfire conditions remained in force Thursday in the mountains and inland valleys of San Diego County amid gusty high winds, high temperatures and low humidity.
Over the warning period, which is due to expire at 6 p.m. Friday, northeast winds will likely blow at up to 30 miles per hour, with 50-mph gusts, as the humidity level plummets to about 5 percent and temperatures rise to the 80s and 90s, according to the National Weather Service.
“A combination of strong winds, low relative humidity and warm temperatures will create explosive fire growth potential,” according to n NWS advisory. A high wind warning was also issued for the county’s valleys and mountains. Forecasters warned that the winds could make for difficult driving conditions on Interstates 8 and 15, and could damage trees, signs and traffic signals. The wind warning expires at 6 p.m.Thursday.
The winds are expected to weaken Thursday night, but another bout of moderate to strong east winds will follow into Friday mornings, forecasters said. The winds will again combine with hot, dry conditions and elevate the risk of wildfires through Friday.
Winds are expected to weaken Friday night and moisture to increase Saturday. The possibility of rain and thunderstorms will follow from Sunday night into Monday, according to the weather service.