San Diego Forecast Discussion

999
FXUS66 KSGX 291044
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
344 AM PDT Wed May 29 2024

.SYNOPSIS...
Generally seasonal weather will prevail into next week. There will
be a warming trend through Thursday with inland high temperatures
on Thursday around 4 to 8 degrees above average for inland areas.
Not much change for Friday, then a few degrees cooler for the
weekend. A gradual warming trend for the early and middle part of
next week with high temperatures Thursday of next week slightly
warmer than Thursday of this week. There will be gusty southwest
to west winds for the mountains and deserts for each late
afternoon through late evening with the stronger gusts to 25 to 35
mph. The marine layer will generally fluctuate between 2000 and
2500 feet deep with night and morning coastal low clouds spreading
into portions of the valleys.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

.SHORT TERM (Today through Friday)...
Generally seasonal weather will prevail into next week with night
and morning coastal low clouds spreading into portions of the
valleys, gusty southwest to west winds for the mountains and
deserts for each late afternoon through late evening, and
temperatures fluctuating around average.

The marine layer early this morning is around 2000 to 2500 feet
deep with coastal low clouds extending inland into portions of the
inland valleys. The warming trend will continue into Thursday
with high temperatures today a few degrees warmer than Tuesday for
most areas with the greater warming on Thursday, as much as 4 to
8 degrees warmer than today for the mountains.

With the warming, Thursday high temperatures for the mountains
and deserts will be around 4 to 8 degrees above average with the
valleys a few degrees above average and locations near the coast
around average. With the warming, high temperatures for the lower
deserts will be around 100 to 106 on Thursday with the Inland
Empire mostly in the 80s. Not much change in high temperatures is
expected for Friday.

The marine layer will be a little shallower for tonight into
Thursday morning with coastal low clouds not spreading as far
into the inland valleys with not much change for Thursday night
into Friday morning.

&&

.LONG TERM (Saturday through Tuesday)...
High temperatures for the weekend will be a few degrees cooler
with high temperatures on Sunday a few degrees above average for
the deserts and a few degrees below average for the coast. This
will be followed by a gradual warming trend with high temperatures
for Thursday of next week near to slightly higher than those for
Thursday of this week. Night and morning coastal low clouds will
spread a little farther inland into the inland valleys for the
weekend, then not as far into the valleys by the middle of next
week.

&&

.AVIATION...
290930Z...Coast/Valleys...Low clouds with bases 800-1200 feet MSL
with tops to 2000 feet will continue to fill nearly all of the
coastal basin by 14Z. Vis 0-5SM in inland valleys. Scatter out from
inland toward the coast 16-20Z, but with brief, partial and
intermittent clearing at the coast. Low clouds will march inland
after 01Z, but will be slightly lower, around 600-1000 feet MSL and
not reach as far inland by 12Z Thursday.

Mountains/Deserts...Mostly clear today and tonight. Areas of gusty
westerly winds 30-40 knots on desert mountain slopes and locally
into the deserts after 22Z.

&&

.MARINE...
No hazardous marine conditions are expected through Sunday.

&&

.SKYWARN...
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...None.

&&

$$

PUBLIC...17
AVIATION/MARINE...MM

NWS SGX Office Area Forecast Discussion