Inland highs could reach 102 degrees; a wind advisory is also in effect Saturday.
The National Weather Service has upgraded Orange County’s heat watch to an Extreme Heat Warning, effective from 10 a.m. Friday, October 2, through 8 p.m. Thursday, October 8.
The warning covers inland and coastal Orange County, along with the Santa Ana Mountains and foothills.
Inland communities including Anaheim, Santa Ana, Irvine and Orange can expect highs in the mid-90s to 102 degrees.
Coastal areas could reach the mid-80s to around 90, with higher coastal terrain reaching the mid-90s to around 100. Overnight lows are expected to remain in the 70s.
A wind advisory covers inland Orange County and the Santa Ana Mountains and foothills from 6 a.m. to 6 p.m. Saturday, October 3. East winds of 15–25 mph could gust to 40 mph.
Forecasters warn that heat-related illnesses increase significantly during extreme heat events.
Residents should drink fluids, spend time in air-conditioned spaces, stay out of direct sun and check on relatives and neighbors.
Never leave children or pets in unattended vehicles. The weather service warns that vehicle interiors can reach lethal temperatures within minutes.
This update replaces the earlier watch, which had a shorter ending date. Residents should check their city’s forecast as conditions change.
Sources
National Weather Service warning, updated October 2 at 12:32 a.m. PDT.




