An early autumn heat wave is bringing record highs to parts of Los Angeles County and is expected to linger Wednesday with "dangerously hot conditions" and the risk of wildfires in some areas.
It was 113 in Woodland Hills on Tuesday, breaking the record for the day of 110 set in 1980. It was also the hottest day on record in October in Woodland Hills, breaking the mark of 110.
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It was 104 at Palmdale Airport breaking the record for the day of 100 set in 1980.
It was 103 in Lancaster, breaking the record for the day of 100 set in 2020.
It was 95 in Sandberg, breaking the record for the day of 92 set in 1980.
Excessive heat warnings will be in place until 8 p.m. Thursday in the Santa Clarita and San Fernando valleys, where temperatures could reach 109 degrees; in the Western San Gabriel Mountains and Interstate 5 and 14 freeway corridors, with highs potentially reaching 104 degrees; and the Santa Ana Mountains and Foothills, possibly reaching 102 degrees, according to the National Weather Service.
A red flag warning of critical fire danger conditions will be in effect until 8 p.m. Thursday for the western San Gabriel Mountains and the 5 and 14 Freeway corridors, thanks to the anticipated heat, gusty northeast winds and low humidity.
An excessive heat warning will be in place until 8 p.m. Wednesday in the Antelope Valley Foothills, with temperatures up to 105 degrees possible. Excessive heat warnings will take effect at 10 a.m. Wednesday and continue through 8 p.m. Wednesday in the Santa Monica Mountains Recreational Area, Calabasas.
A less severe heat advisory will be in effect until 8 p.m. Thursday in the San Gabriel Valley and eastern San Gabriel Mountains. A heat advisory will be in effect in the coastal areas including downtown Los Angeles from 10 a.m. to 8 p.m. Wednesday, and in Orange County inland areas from 11 a.m. to 8 p.m. Wednesday.
"Slight cooling will occur for late in the work week, then another warming trend will likely develop over the weekend," forecasters said.
In areas under the threat of excessive heat, forecasters repeated their standard warning for people to be on the lookout for signs of heat illness, particularly in "the very young, the very old, those without air conditioning and those active outdoors."
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