Temperatures will remain well above average this week with night and morning coastal low clouds spreading into the far western valleys at times. High temperatures for inland areas will remain around 15 to 20 degrees above average with some record daily temperatures for heat continuing to be tied or broken, mainly for the mountains and deserts and occasionally also for the inland valleys. Cooling will spread inland for the weekend into early next week, but with high temperatures for next Tuesday still around 5 to 10 degrees above average.
For extreme southwestern California including Orange, San Diego, western Riverside and southwestern San Bernardino counties,
(today through Thursday), Well-above average temperatures will continue into next weekend. High temperatures for today will range from around 5 degrees above average near the coast to around 20 degrees above average for the mountains and high desert. High temperatures for today will range from around 70 near the coast to the mid 80s to lower 90s for the Inland Empire with the lower deserts in the 90s. With gradual warming, high temperatures on Thursday will range from around 10 degrees above average near the coast to 15 to 20 degrees above average for mountains, valleys, and deserts. Coastal low clouds will spread inland into portions of the western valleys this morning, then not quite as far inland for tonight and Wednesday night as the marine layer becomes a little shallower.
(Friday through Monday), High temperatures will warm slightly on Friday, then cool slightly during the weekend with greater cooling of around 5 degrees per day for Monday and Tuesday of next week. High temperatures on Friday will range from the 70s near the coast to the lower to mid 90s for the Inland Empire with 100 to 105 for the lower deserts. With cooling for Sunday through Tuesday, high temperatures for next Tuesday will still be 5 to 10 degrees above average with high temperatures ranging from the lower to mid 70s near the coast to the mid 70s to lower 80s for the valleys with the lower deserts in the upper 80s and lower 90s. In addition to night and morning coastal low clouds, there will also be periods of mid and high clouds for the weekend into early next week.
240930z, Low clouds based 600-1000 feet MSL and tops to 1300 feet will continue to fill coastal areas and western valleys this morning. Vis reduced 0-5SM mainly over higher coastal terrain and valleys. Scatter out to occur 16-18Z. Patchy and intermittent low clouds could linger along immediate coast thereafter. Low clouds with similar bases increase and spread inland after 02Z. Coverage, bases and vis should be very similar into Wednesday morning.
Otherwise, mostly clear and VFR conditions will prevail today and tonight.
No hazardous marine conditions expected through Saturday.
Ca, None. PZ, None.
