Extreme Heat Expected in San Diego County Deserts Through Friday

Extreme heat is expected in the San Diego County deserts Monday and the triple-digits temperatures won’t let up until this weekend, according to the National Weather Service.

High pressure will weaken Monday and cause a slight dip in temperatures, but conditions will strengthen on Tuesday and bring temperatures back up through Friday, forecasters said.

The NWS issued an excessive heat warning that will last until 9 p.m. Thursday in the county deserts.

High temperatures Monday could reach 81 degrees near the coast and inland, 84 in the western valleys, 82 in the mountains and 101 in the deserts.