The South Coast is seeing relief with temperatures back in the 70s, but the Central Coast is still heating up with temperatures in the 90s to just over 100 degrees. Interior areas could reach up to 108 degrees.
Onshore flow is stronger on the South Coast, causing the cool down and expiration of the excessive heat warning. However, the Central Coast is warming from an easterly wind push with an excessive heat warning going into effect through the evening.
An excessive heat warning will last through Friday in the Santa Barbara and Ventura County mountains with temperatures up to 107 degrees. It will also stay in effect in the Santa Ynez Valley and Ventura County valleys through Wednesday night before downgrading to a watch through Friday.
Likewise, an excessive heat warning will be in effect on the Central Coast for only Wednesday. There is also an excessive heat watch for the San Luis Obispo valleys from Wednesday through Friday.
An eddy and denser marine layer will continue cooling on the Central Coast Thursday, though temperatures may bump up again slightly on the South Coast with the lingering warm air mass.
The ridge will weaken through the weekend and temperatures will be near or only a couple degrees above normal by Father's Day. Many cities will dip near or below normal on Monday.