Severe · Extreme Heat WarningActive alert
Extreme Heat Warning issued September 10 at 10:00AM PDT until September 10
Affecting Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
In effect until: Sep 11, 2026, 1:00 PM
Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range
Likely impact; effects through 1:00 PM.
Stay in air conditioning if possible. Drink water regularly and check on elderly neighbors.
Read the original bulletin (official text)
* WHAT...Temperatures of 88 to 108 expected. Northwest Sundowner winds 15-30 mph with gusts 35-45 mph. Local gusts to 50 mph near Gaviota and Refugio. * WHERE...Calabasas and Agoura Hills, Eastern San Fernando Valley, Eastern Santa Monica Mountains Recreational Area, Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Los Angeles County San Gabriel Valley, Malibu Coast, Palos Verdes Hills, Western San Fernando Valley, and Western Santa Monica Mountains Recreational Area * WHEN...For the Extreme Heat Warning, until 8 PM PDT this evening. For the Wind Advisory, from 5 PM this afternoon to 6 AM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Humid conditions will add to heat discomfort.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™