A significant warm-up is coming to the Inland Empire and parts of San Bernardino and Riverside County valleys.
The National Weather Service has issued a heat advisory ahead of the upcoming weather. The advisory will go into effect at 10 a.m. Wednesday and remain until 8 p.m. Friday.
Forecasters predict Thursday will be the hottest day of the week, with most areas of Southern California experiencing temperatures 5 to 10 degrees above normal. The NWS says areas like the San Gabriel Valley, San Fernando Valley and Calabasas will have temperatures 10 to 12 degrees above normal. Maximum temperatures in the valleys could reach up to 106 degrees…