A National Weather Service fire weather watch for areas other than the deserts will take effect at 6 a.m. Monday and extend through the evening. A few small fires broke out early Monday, including in Valencia Park and Chula Vista which were started by lightning strikes.
“Frequent lightning strikes have the potential to produce multiple fire starts,'' according to the weather service.
Moisture is expected to increase Monday night and lower the lightning-caused fire risk.
Winds of less than 20 miles per hour, but with gusts to 35 mph, and low humidity were also expected to contribute to the wildfire risk in various areas prone to thunderstorms.
Forecasters said there would be a chance of thunderstorms again Tuesday, but with increased humidity.