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Hot, tropical weather set to hit Los Angeles during the weekend days

Extensive regions of California are subject to heat warnings on both Friday and Saturday. Authorities are advising people to limit outdoor activities in areas expecting temperatures above 100 degrees.

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Extensive regions of California experience heat alerts during both Friday and Saturday, prompting...
Extensive regions of California experience heat alerts during both Friday and Saturday, prompting warnings against exposure to scorching temperatures exceeding 100 degrees. Authorities urge limiting outdoor pursuits in the most affected areas.

Hot, tropical weather set to hit Los Angeles during the weekend days

Los Angeles braces for weekend heatwave with tropical moisture

Whilst Friday's peak heat was not as severe as anticipated, toasty temperatures and unexpected tropical moisture are predicted to affect Los Angeles over the weekend.

The mercury soared above 100 degrees in Woodland Hills and Chatsworth, with the intensified heat even breaking a downtown Los Angeles record, reaching 96 degrees on Friday, surpassing the 1972 record of 95 degrees, as reported by the National Weather Service.

Temperatures are forecast to be slightly cooler this weekend - ranging from mid-70s to low 80s along the coast and low 90s inland, with increased humidity in Los Angeles County. Highs in the 90s to just above 100 degrees are predicted for the valleys, lower mountains, and deserts.

Heat advisories currently affecting a significant portion of Southern California are set to expire over the weekend.

Meanwhile, Tropical Storm Alvin continues to weaken along the southern tip of the Baja coast, but it will still deliver tropical moisture into Southern California. Forecasters have issued a warning of a chance of showers and isolated thunderstorms in Los Angeles County and potentially Ventura County, albeit amounts are expected to be light, and not every location will receive rain.

For several days, officials have alerted the public about the risks associated with the record-breaking heat. The Los Angeles County Public Health Department has issued a heat advisory for residents in the western and eastern areas of the San Fernando Valley, as well as the Santa Clarita Valley, due to the high risk of heat-related illness for susceptible populations, including adults over 65, children, and people with chronic illnesses. Temperatures are expected to hit as high as 100 degrees in these areas.

In contrast, the Central Coast experienced temperatures in the high 90s on Friday but is expected to cool down on Saturday, as reported by the National Weather Service's Monterey Office. Temperatures in excess of 106 are predicted for a section of Central California, including Merced, Madera, San Joaquin Valley, Fresno, Yosemite Valley, and the Sierra foothills on Saturday. An extreme heat warning remains in effect for Death Valley, where temperatures are expected to surpass 115 degrees until Saturday night.

A fire weather watch has been issued for Saturday morning through Sunday evening by the National Weather Service in Reno due to gusty winds, low humidity, and the potential for dry lightning. There is a 10% to 15% chance of isolated dry thunderstorms with gusty, erratic winds primarily in the Sierra.

For residents in areas with general to extreme heat advisories, health officials suggest:

  • Drinking plenty of fluids
  • Seeking air-conditioned rooms, if possible
  • Checking on relatives and neighbors
  • Wearing lightweight and loose-fitting clothing, a hat, and using an umbrella when outside
  • Avoiding outdoor activities during the hottest hours of the day
  • Never leaving pets or children alone in a car

Free cooling centers, splash pads, and community pools are available for residents without access to air conditioning or a cool environment in Los Angeles County. More information can be found on the Ready L.A. County website's 'Find Relief From the Heat' section.

Heat-related illnesses, such as exhaustion and heatstroke, increase significantly during extreme heat. Symptoms include vomiting, dizziness, confusion, and hot, red, dry or damp skin. Those experiencing or witnessing these symptoms should move to a cool place and call 9-1-1.

Sources: 1, 2

[1][2] Refer to Enrichment Data for more information on Tropical Storm Alvin's minimal impact on Southern California.

  1. With tropical moisture from Tropical Storm Alvin expected to reach Los Angeles, residents are advised to take precautions like drinking plenty of fluids, checking on relatives and neighbors, and seeking air-conditioned rooms, particularly in the western and eastern areas of the San Fernando Valley, Santa Clarita Valley, and areas with high risks of heat-related illnesses.
  2. Although temperatures are forecast to be cooler in Los Angeles County over the weekend, ranging from mid-70s to low 80s along the coast and low 90s inland, the metropolitan city is still under the threat of increased humidity and potential showers, reinforcing the need for continued vigilance.
  3. As Southern California heat advisories are set to expire over the weekend, attention shifts to the environment, with Tropical Storm Alvin's weakening effects delivering moisture into the region, triggering a warning of a chance of showers and isolated thunderstorms, potentially impacting both Los Angeles and Ventura Counties.

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