Continuing what’s proving to be a comparatively wet July, isolated showers and thunderstorms are expected across Southern California Friday, with a flash-flood watch issued for some valley and mountain areas.
Brief rainfall in the early morning hours hit across Southern California, bringing some lightning. Warm and humid conditions were expected as more rain was forecast for the rest of the day.
The morning’s rain puts the month at a tie for the fourth-wettest July in Los Angeles since weather records were kept in 1877. Downtown LA has received 0.09 inches of rain this month, one of only 20 Julys in which rainfall has ever been recorded there.
After 11 a.m., a flash-flood watch is in effect through the evening for the San Gabriel Mountains, the mountains of Riverside and San Bernardino counties, and the Antelope, Apple, Coachella and Lucerne valleys.
Normally dry washes and small creeks can overflow rapidly during heavy downpours, the National Weather Service warned.
“Flash flooding is a very dangerous situation,” the service stated.
In areas recently burned in the San Jacinto Mountains – during the 43-square-mile Mountain Fire – flooding, mud and debris flows pose a risk, according to the National Weather Service. Full containment of the Mountain Fire is expected Tuesday.
On a mostly cloudy day, Friday’s highs are expected to be around 70 at the beaches, lower 80s inlands and in the low 90s in the valleys.
City News Service contributed to this report.
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