October heat wave in SoCal brings red-hot temps, excessive heat warning

LOS ANGELES (KABC) -- A prolonged heat wave returns to Southern California, with temperatures in the 90s and some areas experiencing triple-digit heat this week.

Many cooling centers are scheduled to be open Wednesday from 10 a.m. to 9 p.m. in Los Angeles.

An excessive heat warning is in effect for the San Fernando and Santa Clarita valleys through Thursday evening. A large swath of the Inland Empire will be under a heat advisory, while a red flag warning will be in place for the area surrounding Acton.

Wednesday is expected to be the hottest day of the week.

On Wednesday, Los Angeles and Orange counties can expect a hot and sunny day, with a high of 100. Temperatures will drop back to the low 90s Thursday.

The valleys and Inland Empire on Wednesday will hit a high of 105. They will see temperatures in the 100s all week.

Beaches on Wednesday will be cloudy in the morning, with a high of around 76 by the afternoon.

Mountains will be sunny and warm, with a high of 81 and temperatures in the 40s overnight. Smoke from nearby wildfires will bring hazy conditions.

The desert areas can expect a high of 104 Wednesday. Those areas will be in the triple digits the entire week. Palm Springs on Wednesday could reach 112 degrees.

Get the latest updates on the weather with the Free ABC7 Los Angeles app

Download the ABC7 app for weather alerts: Click here for iOS devices | click here for Android devices. If you have the app, turn on push notifications and personalize the app. Click on My News from the bottom menu, then star the topics you'd like to follow and tap Done.

Live radar: abc7.la/LiveMEGADOPPLER

Watches/Warnings: abc7.la/WxWarnings
Download the free Accuweather app for iPhone and Android devices.
Share your weather pictures and video with #ABC7Eyewitness

7-Day Forecasts

Los Angeles / Orange County Weather Forecast

Valleys and Inland Empire

Beaches

Mountains

Deserts