Low pressure over the western states will bring a gradual cooling trend through Wednesday with high temperatures cooling to as much as 5 to 10 degrees below average for the Inland Empire. Night and morning coastal low clouds will increase in coverage and spread farther into the western valleys for early Tuesday and early Wednesday as the marine layer slowly deepens. This will be followed by a gradual warming trend for Thursday into next weekend.
For extreme southwestern California including Orange, San Diego, western Riverside and southwestern San Bernardino counties,
, UPDATED AVIATION DISCUSSION,
(today through Wednesday), Low pressure along the West Coast will continue a cooling trend through Wednesday. High temperatures today will cool a few degrees, cool another few to around 5 degrees on Tuesday, with a few more degrees of cooling on Wednesday.
High temperatures on Wednesday will be near average at the San Diego County coast, and elsewhere a few degrees below average to as much as 5 to 10 degrees below average for the Inland Empire. High temperatures on Wednesday will range from the 70s near the coast to the lower to mid 80s for the Inland Empire with the lower deserts near 100.
A weak coastal eddy will bring slow deepening of the marine layer with night and morning coastal low clouds spreading into portions of the western valleys for early Tuesday and early Wednesday.
(Thursday through Sunday), Low pressure over the western states will weaken with a warming trend for southwestern California for Thursday into next weekend. with high temperatures on Saturday a few degrees above average for the deserts to a few degrees below average for the valleys. High temperatures on Saturday will range from the 70s near the coast to the mid 80s to lower 90s for the Inland Empire with 102 to 106 for the lower deserts. Not much change is expected for Sunday.
141130z, Coast/Valleys, Low clouds based around 1500-2000 feet MSL will continue their March into the Inland Empire through 14Z. Vis reduced over higher coastal terrain and valleys 3-5SM. Scatter out 15-17Z. Low clouds to redevelop and push ashore after 02Z and inland again overnight into Tuesday, with very similar coverage eventually, and similar bases/vis.
Mountains/Deserts, Mostly clear and VFR conditions today and tonight.
No hazardous marine conditions are expected through Friday.
Ca, None. PZ, None.
