Warming through Sunday with gusty Santa Ana winds for Orange and southwestern San Bernardino Counties spreading southward into San Diego County for the weekend. A low pressure system centered somewhere near northern and central Baja will bring a slight chance of showers for late Sunday through Monday afternoon, mainly near the mountains. Cooling spreading inland for Monday and Tuesday, then much warmer for Wednesday through Friday of next week with near record heat possible late next week.
For extreme southwestern California including Orange, San Diego, western Riverside and southwestern San Bernardino counties,
(today through Sunday), Offshore lower-level flow with warming will continue through Sunday. Northerly winds today along and below the coastal slopes of the mountains for Orange and southwestern San Bernardino Counties will become northeasterly and expand southward into San Diego County for late tonight through Sunday afternoon. Gusts for those areas will be mostly 40 to 50 mph with isolated gusts to 65 mph.
Warming will be greatest for coastal areas today with lesser warming for most areas on Saturday. High temperatures on Sunday will be around 5 degrees warmer near the coast to 8 to 12 degrees warmer for inland areas. Sunday high temperatures will be as much as 15 to 20 degrees above average for coastal areas. High temperatures for the coast and valleys on Sunday will be warmest for inland coastal areas into the western valleys with high temperatures in the mid 80s to lower 90s for those areas.
(Sunday Night through Thursday), NBM chances for measurable precipitation from a low pressure system somewhere in the vicinity of the coast of northern and central Baja is on late Sunday night through Monday afternoon with a 10 to 20 percent chance of measurable precipitation for the mountains in Riverside County and the mountains, deserts, and inland valleys in San Diego County.
Cooling will spread inland for Monday and Tuesday with high temperatures for coastal areas on Monday around 10 degrees cooler than those on Sunday. Monday high temperatures will range from around 70 near the coast to the mid 70s to lower 80s for the inland valleys with the lower to mid 80s for the lower deserts.
This will be followed by warming for Wednesday through Friday of next week. High temperatures for next Thursday and Friday for the valleys and lower elevations of the mountains will be around 20 degrees above average. High temperatures for next Thursday and Friday will range from around 80 near the coast to the mid 80s to lower 90s for the valleys and inland Orange County with the lower deserts in the mid 90s to around 100.
061030z. Coast/Valleys, VFR with SKC today before increasing high clouds FEW-SCT AOA 20,000ft MSL this afternoon and evening. N/NE gusts to 25-35 kts in the Inland Empire below mountain passes and inland Orange County periodically through Saturday evening. Moderate confidence on winds reaching 35 kts at KONT and high confidence for 25 kts at KSNA. Localized areas of LLWS and mod up/down drafts expected.
Mountains/Deserts, Mostly clear and VFR conditions through this evening. Gusty N/NE winds expected throughout the period: 25-40 kts with isolated gusts to 55 kts through mountain passes and on coastal facing foothills. Areas of LLWS and mod up/down drafts in lee (south of) mountains mainly in SBD County. Low confidence on KPSP gusting to 35 kts today. BLDU may briefly lower VIS in the deserts, especially in the afternoon.
Intermittent gusts near 20 knots possible in the outer coastal waters near San Clemente Island early Saturday morning and again Sunday evening. Otherwise, no additional hazardous marine conditions are expected through Tuesday.
Ca, Wind Advisory until 5 PM PST Sunday for Orange County Inland Areas-San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-Santa Ana Mountains and Foothills.
Wind Advisory from midnight tonight to 5 PM PST Sunday for Riverside County Mountains-San Diego County Mountains-San Diego County Valleys-San Gorgonio Pass near Banning.
PZ, None.
