Temperatures will soar near 100 degrees Thursday in the inland valleys while developing gale-force winds will keep coastal locations fairly mild.
High pressure continues to strengthen, producing a warming trend heading into the weekend.
The day begins with low clouds and fog at the beaches and coastal valleys. The marine layer and clouds should clear by midday.
Thursday afternoon, winds will pick up out of the north-northwest, particularly along the South Coast. A 24-hour wind advisory takes effect at 4 p.m. for winds 15-30 mph with gusts to 45 in areas of West Goleta, Gaviota and the San Marcos Pass (Hwy 154).
Strong winds will help clear cloud cover Thursday into Friday at the beaches. Daytime highs at the coast will be in the upper-60s to mid-70s.
Microclimates are very much in play. While the coast stays cool and coastal valleys will have highs in the 80s, interior locations are flirting with triple digits.
Paso Robles has a forecast high of 99 with the heat peaking in the late afternoon.
Temperatures continue to climb Friday and are expected to exceed 100 degrees through Sunday.