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Amid sweltering heat, humidity, Los Angeles faces power outages

Amid sweltering heat, humidity, Los Angeles faces power outages

Officials urged customers to conserve energy as extreme heat and humidity were causing "high electricity demand."
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Record-breaking heat and humidity grip Southern California

Record-breaking heat and humidity grip Southern California

Southern California is enduring another day of extreme heat and high humidity, continuing a summer marked by record-breaking temperatures and severe weather impacts. On Wednesday, downtown Los Angeles reached 105°F (40.6°C), tying a previous record, while cities like Long Beach and Santa Maria broke historical highs. The National Weather Service (NWS) warns of a high risk for heat-related illnesses, with temperatures significantly above seasonal averages. Coastal erosion and dangerous surf conditions have also been reported, alongside thunderstorms in San Diego County. Relief is expected by Friday as cooler, less humid air moves in.
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Extreme Heat Warning Issued for West Hollywood as Temperatures Reach 103°F

Extreme Heat Warning Issued for West Hollywood as Temperatures Reach 103°F

West Hollywood and much of Los Angeles County are under an Extreme Heat Warning issued by the National Weather Service (NWS). On Wednesday, September 9, 2026, temperatures surged into the triple digits, with West Hollywood recording 103°F (39.4°C) by 4 p.m. The heat index, which combines temperature and humidity to estimate perceived heat, reached 109°F (42.8°C) in the area. Downtown Los Angeles recorded 105°F (40.6°C) with a heat index of 110°F (43.3°C) earlier in the day. The warning remains in effect until 8 p.m. Thursday, September 10, with temperatures expected to peak at 96°F (35.6°C) before cooling slightly into the upper 80s by Friday. The region has experienced unusually humid conditions this summer, exacerbated by El Niño and warm ocean waters, making the heat feel even more oppressive.
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Extreme Heat and Humidity Persist in Southern California, Relief Expected Soon

Extreme Heat and Humidity Persist in Southern California, Relief Expected Soon

Southern California is experiencing record-breaking heat and humidity, with temperatures soaring across the region. On Wednesday, downtown Los Angeles reached 105°F (40.5°C), tying a previous record, while cities like Long Beach and Santa Barbara broke their historical temperature records. The National Weather Service has warned of high heat risks, exacerbated by unusually high humidity levels. Coastal areas are also facing dangerous surf conditions, leading to erosion and infrastructure risks. Relief is expected by Friday as cooler air moves in, reducing temperatures and humidity levels.
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Thunderstorms and Heat Wave Prompt Beach Closures in Los Angeles County

Thunderstorms and Heat Wave Prompt Beach Closures in Los Angeles County

Southern California is bracing for a heat wave with unusually high humidity, while thunderstorms have already formed across the region. On Tuesday morning, lightning strikes prompted the closure of all Los Angeles County beaches by 10:30 a.m., according to the Los Angeles County Department of Beaches and Harbors. Thunderstorms were reported in areas such as Downey, Azusa, and West Covina. CBS LA issued a Next Weather Alert for beaches due to rough waters, with another alert set to activate at 4 p.m. for the entire region. Temperatures are expected to reach triple digits by Wednesday, with the National Weather Service warning of moderate to major impacts, particularly along the coasts and in valleys. (Source: CBS News Los Angeles, 2026-09-08 17:26:00 GMT)
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Record-Level Humidity and Heat Stress Grips Los Angeles

Record-Level Humidity and Heat Stress Grips Los Angeles

Los Angeles is experiencing record-high humidity levels this week, compounding the effects of an ongoing heat wave in Southern California. According to public health officials, the combination of high temperatures and oppressive humidity is straining the body's ability to cool itself, leading to an increase in heat-related illnesses. Experts, including Dr. David Eisenman from UCLA, explain that high humidity prevents sweat from evaporating efficiently, causing the body to overheat. This phenomenon, known as 'heat stress,' is particularly dangerous as it forces the body to work harder to maintain a stable internal temperature of 98.6°F (37°C). The Los Angeles County Department of Public Health has reported a rise in emergency visits for heat-related conditions, underscoring the severity of the situation. Source time: Tue, 08 Sep 2026 22:23:54 GMT.
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Southern California Endures Record Humidity Amid Heat Wave

Southern California Endures Record Humidity Amid Heat Wave

Southern California is experiencing some of the most oppressive humidity on record, with dew points reaching 76°F (24°C) in Long Beach, Huntington Beach, and Newport Beach. The high humidity is attributed to Tropical Storm Marie, which is sending tropical moisture into the region, combined with a ridge of high pressure from the east. Temperatures are expected to remain in the 90s°F (32-37°C) and low 100s°F (38-40°C) in some areas, with coastal regions also experiencing high surf and coastal flooding. The National Weather Service has issued heat advisories for Los Angeles and surrounding counties through Thursday.
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Southern California Faces Record Humidity and Heat Stress

Southern California Faces Record Humidity and Heat Stress

Southern California is experiencing some of the most extreme humidity levels ever recorded in the region, with dew points reaching 76°F (24°C) in coastal areas like Long Beach, Huntington Beach, and Newport Beach on Tuesday, September 8, 2026. The oppressive conditions are being driven by Tropical Storm Marie, which is located hundreds of miles southwest of Los Angeles County, and a ridge of high pressure building from the east. The National Weather Service (NWS) has issued a heat advisory for Wednesday and Thursday, with temperatures expected to reach the 90s and low 100s (32-40°C) in many areas. Dangerous rip currents, high surf, and coastal flooding are also forecast for south-facing beaches. Source time: 2026-09-08T10:00:00 GMT.
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Los Angeles Experiences Record Humidity Amid Heat Wave, Increasing Health Risks

Los Angeles Experiences Record Humidity Amid Heat Wave, Increasing Health Risks

Los Angeles is currently experiencing record-level humidity, which is exacerbating the effects of an ongoing heat wave and leading to an increase in heat-related illnesses. Public health officials in Los Angeles County have reported a rise in emergency visits for such conditions during the summer months, as indicated by the county health department's heat-related illness and mortality dashboard. Climate scientist Daniel Swain noted that the current absolute humidity levels are among the highest ever recorded in the region, making the heat feel more oppressive. Experts explain that high humidity hinders the body's natural cooling process by preventing sweat from evaporating efficiently. Symptoms of heat exhaustion include an internal body temperature over 104 degrees, lethargy, dizziness, headache, and profuse sweating, while heatstroke can involve loss of consciousness and dry skin due to compromised cooling systems. The Los Angeles Department of Public Health advises residents to stay hydrated, take preca...
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Extreme Heat Warning Issued for Los Angeles County

Extreme Heat Warning Issued for Los Angeles County

The National Weather Service (NWS) has issued an Extreme Heat Warning for Los Angeles County, effective from Wednesday, September 9, through Thursday, September 10. High temperatures are expected to impact multiple areas, including Malibu Coast, San Fernando Valley, and Santa Clarita Valley, among others. The Los Angeles County Department of Public Health has urged residents to take precautions to prevent heat-related illnesses, such as heat exhaustion and heat stroke. The warning highlights dangerously hot weather conditions that pose a high risk to everyone, especially vulnerable populations. Residents are encouraged to stay hydrated, avoid outdoor activities during peak heat hours, and utilize cooling centers if necessary. Source time: not specified.
Ventura County Star, CamarilloVentura County Star, Camarillo
Lightning sparks small fire in county amid thunderstorms, reports say

Lightning sparks small fire in county amid thunderstorms, reports say

Firefighters responded to a small blaze reportedly sparked by a lightning strike in the Santa Monica Mountains. Here's what happened.
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Intense Heat in Los Angeles to Drive Power Demand Surge

Intense Heat in Los Angeles to Drive Power Demand Surge

California is experiencing a significant heatwave, with temperatures in Los Angeles forecasted to range between 29°C (85°F) and 40.5°C (105°F), which is 10 to 15 degrees above normal. Heat advisories are in effect for much of the state, including the Bay Area, Los Angeles, and the Central Valley, through Wednesday and Thursday. The National Weather Service has also issued extreme heat warnings for parts of Southern California, including San Diego. The heatwave is accompanied by elevated humidity and unusually warm overnight temperatures, which are expected to increase electricity demand significantly. The California Independent System Operator (CAISO) predicts peak electricity demand to reach 47,379 megawatts on Wednesday, with available capacity at 67,586 megawatts.