Rain and Thunderstorms Expected in Southern California

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Rain is forecasted for Southern California on Wednesday into Thursday. The National Weather Service has issued warnings about possible beach threats and thunderstorms extending from Oxnard to the Mexico border.

The Los Angeles-Oxnard office predicts a 30% to 40% chance of thunderstorms. The main concerns are minor flooding and debris flow in L.A. and Ventura counties. Most areas should only face minor weather effects.

The Santa Monica Mountains are at the highest risk of flooding according to a weather service spokesperson. First-year burn scars are particularly vulnerable. Recent wildfire scarred regions include Palisades and Altadena.

Regarding rainfall, L.A. expects different amounts for various locations:

1.73 inches in Thousand Oaks
1.53 inches in Oxnard
1.47 inches in Santa Clarita
1.31 inches at LAX
1.29 inches in Covina
Just under an inch in Long Beach.

Surf ranging from 3 to 6 feet is anticipated at south- and southwest-facing beaches in L.A. County and Oxnard through Thursday night. Tides could vary from 5.5 to 6.2 feet.

The San Diego office issued a beach hazard warning affecting Orange, San Bernardino, Riverside, and San Diego counties on Tuesday at 1:30 p.m., lasting until 11 p.m. Dangerous rip currents and breaking waves from 3 to 6 feet are expected on south- and southwest-facing beaches.

Rip currents pose a threat to swimmers and surfers, while waves could wash individuals off beaches and rocks and capsize small boats near shore. The weather service advises swimmers to stay out of the water to avoid hazardous conditions.

Rain chances for Wednesday morning and afternoon are: