The warming trend will continue into the weekend with high temperatures on Saturday for inland areas around 8 to 12 degrees above average. This will be followed by a slow cooling trend into the middle of next week with high temperatures for next Wednesday around 5 degrees above average. This will be followed by a warming trend through the end of July into the first weekend in August.
For extreme southwestern California including Orange, San Diego, western Riverside and southwestern San Bernardino counties,
, UPDATED AVIATION DISCUSSION,
(today through Sunday), Inland areas warmed several degrees on Thursday with high temperatures a few degrees above average near the coast to 5 to 10 degrees above average for the deserts. There will be slight additional warming for today and Saturday with Saturday high temperatures around 5 degrees above average near the coast to 8 to 12 degrees above average for inland areas. High temperatures on Saturday will range from around 80 near the coast to the upper 90s to 108 for the Inland Empire with 116 to 120 for the lower deserts.
A brief increase in monsoonal moisture will cool high temperatures a few degrees on Sunday, but with high temperatures still 5 to 10 degrees above average for inland areas. Low temperatures will be quite warm, mostly in the mid 60s to mid 70s for the coast and valleys, in the mid 80s to mid 90s for the lower deserts and in the 70s and lower 80s for the Apple and Lucerne Valleys.
The marine layer will remain around 1200 to 1500 feet deep with night and morning coastal low clouds spreading into the far western valleys at times late each night.
(Monday through Thursday), High pressure centered over the central and southern Rockies and plains will slowly weaken through Tuesday, then begin to strengthen on Wednesday and move westward with the center near Las Vegas for late next week.
The gradual cooling and drying trend will continue through Wednesday with Wednesday high temperatures around 5 degrees above average. High temperatures on Wednesday will range from the mid 70s to around 80 near the coast to the mid 90s to 102 for the Inland Empire with 108 to 112 for the lower deserts. This will be followed by a warming trend through the end of July into the first weekend in August.
240930z. Coast/Valleys, Low clouds based near 700-1100 ft MSL cover coastal areas. Confidence moderate on cigs reaching for a short amount of time this morning at KSNA. Low clouds clearing 15-17z Fri with mostly clear and VFR during the afternoon. Moderate confidence in timing and location of low clouds returning to SD County coastal areas after 04z Sat, after 08z across Orange County. Low clouds will be more widespread with cigs reaching all major coastal TAF sites.
Mountains/Deserts, VFR conditions prevail through the TAF period. Cumulus building over the mts Friday afternoon AOA 10k ft MSL.
Calm conditions over the next week with waves 2 to 4 feet and afternoon wind gusts near 15 kts or less.
A 3 to 4 feet south swell from 190 degrees with 12 second period will bring surf of 5 to 7 feet to area beaches through Sunday. Highest surf will be on south-southwest facing beaches. Elevated surf will not be as high for the first half of next week, but will increase again later next week.
In addition to elevated surf, tides are expected to increase today near 5.5 feet, increasing to 6.0 to to 6.5 feet MLLW by Sunday. The combination of surf and tides will result in minor coastal flooding during high tides.
Ca, Beach Hazards Statement through Sunday evening for Orange County Coastal Areas-San Diego County Coastal Areas.
Heat Advisory until 8 PM PDT Monday for Orange County Coastal Areas-Orange County Inland Areas-Riverside County Mountains- San Bernardino County Mountains-San Diego County Coastal Areas-San Diego County Valleys-Santa Ana Mountains and Foothills.
Extreme Heat Warning until 8 PM PDT Monday for Apple and Lucerne Valleys-Coachella Valley-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Deserts- San Diego County Mountains-San Gorgonio Pass near Banning.
PZ, None.
