August 19, 2025

Dangerous Heat Wave Approaches Southern California

News Summary

A significant heat wave is forecasted to hit Southern California and much of the Southwest, with triple-digit temperatures and elevated wildfire risks. Peak highs exceeding 108°F are expected, prompting advisories from the National Weather Service. Residents are urged to take precautions to stay safe and hydrated as extreme temperatures persist through the week. Wildfires are already intensifying due to the heat, leading to warnings of explosive fire behavior. This dangerous weather event may be one of the most severe of the season, necessitating thorough preparedness for residents.

Los Angeles, CA – A dangerous heat wave is expected to sweep over Southern California and much of the American Southwest beginning Wednesday, bringing with it triple-digit temperatures and an increased risk of wildfires. The extreme weather is anticipated to last for several days, with peak high temperatures projected for Thursday and Friday.

In downtown Los Angeles, temperatures are expected to soar to around 94°F, while areas like Woodland Hills may see highs reaching an alarming 108°F. The Los Angeles County valleys and the Inland Empire could hit around 104°F, with even more extreme temperatures forecast for other locations. Palm Springs is likely to exceed 113°F, while Death Valley prepares for a staggering 120°F.

The National Weather Service has issued heat and fire weather advisories for much of inland Southern California, indicating that this heat wave could be one of the most significant of the season. An extreme heat watch will remain in effect from Wednesday through Saturday, with highs expected to climb 10 to 20 degrees above normal, nearing record levels.

Residents are urged to take necessary precautions to stay safe during this intense heat. Staying hydrated, accessing air conditioning, and avoiding outdoor activities during peak heat hours are crucial steps in preventing heat-related illnesses. Overnight temperatures in Los Angeles are predicted to remain in the 70s, which poses additional threats to vulnerable populations including the elderly and outdoor laborers.

This heat wave is driven by a high-pressure system that is expected to last longer and be more intense than usual. The combination of this high-pressure system with offshore winds is likely to hinder any cooling, exacerbating the hazardous conditions.

Current wildfires in California, including the Gifford, Rosa, and Gold fires, are intensifying due to the warm weather. Fire weather conditions are projected to be critical, prompting a warning for “explosive fire behavior,” which will be in effect from Wednesday through Saturday across various regions. Areas such as the Los Angeles County valleys, Ventura County valleys, and the San Bernardino County deserts are under particular threat, with predicted highs reaching up to 106°F.

Residents in high-risk areas, especially mountainous and valley regions, are strongly encouraged to review evacuation plans. In addition to the oppressive heat, there is a potential for monsoonal thunderstorms, which may bring dry lightning and further elevate fire risks.

Temperature increases are anticipated to begin Tuesday, with the heat extending into early next week and a slight possibility of a cooldown thereafter. However, areas like San Francisco are expected to remain largely unaffected by the heat wave, benefiting from cooler marine breezes typical of the region.

As the extreme heat and heightened fire danger loom, it is vital for Southern California residents to stay informed, take precautionary measures, and be prepared for the ongoing conditions throughout the week. The combination of scorching temperatures and dry conditions creates a dangerous scenario for both individuals and the environment as the region braces for what could be one of the most intense heat events in recent memory.

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Author: STAFF HERE HOLLYWOOD

The Hollywood Staff Writer represents the experienced team at HEREHollywood.com, your go-to source for actionable local news and information in Hollywood, Los Angeles County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the Hollywood Bowl summer concerts, the Hollywood Christmas Parade, film premieres at TCL Chinese Theatre, and festivals at the Magic Castle. Our coverage extends to key organizations like the Hollywood Chamber of Commerce and Visit Hollywood, plus leading businesses in entertainment, dining, and tourism that define the local economy. As part of the broader HERE network, including HERELosAngeles.com, HEREBeverlyHills.com, HEREAnaheim.com, and HEREHuntingtonBeach.com, we provide comprehensive, credible insights into Southern California's dynamic landscape.

STAFF HERE HOLLYWOOD

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