966
FXUS66 KSGX 302024
AFDSGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
124 PM PDT WED JUL 30 2025
SYNOPSIS
CONDITIONS WILL CONTINUE TO WARM INTO THE WEEKEND, BRINGING
TEMPERATURES TO NEAR SEASONAL NORMALS. TEMPERATURES WEST OF THE
MOUNTAINS WILL CONTINUE TO BE NEAR AVERAGE INTO EARLY NEXT WEEK,
WITH HIGHS IN THE LOW DESERT UP TO 5 DEGREES ABOVE AVERAGE. LOW
CLOUDS AND FOG WILL SPREAD INTO PORTIONS OF THE WESTERN VALLEYS EACH
NIGHT.
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
MINIMAL CHANGES IN HIGH TEMPERATURES EXPECTED INTO THE WEEKEND,
KEEPING CONDITIONS NEAR OR SLIGHTLY ABOVE THE SEASONAL AVERAGE.
CHANCES OF THE INLAND EMPIRE REACHING OR EXCEEDING 100 DEGREES IS 25
TO 50 PERCENT ON SATURDAY, AND 40 TO 60 PERCENT CHANCE ON SUNDAY.
CHANCES OF THE LOW DESERT REACHING OR EXCEEDING 110 DEGREES ARE 75
TO 95 PERCENT OVER THE WEEKEND. THE MARINE LAYER WILL FLUCTUATE
BETWEEN 1500 AND 2000 FEET IN DEPTH WITH AREAS OF NIGHT AND MORNING
COASTAL LOW CLOUDS SPREADING INTO PORTIONS OF THE WESTERN VALLEYS
LATE EACH NIGHT THROUGH THE FORECAST PERIOD.
A FEW DEGREES OF COOLING IS EXPECTED FOR MONDAY AND TUESDAY OF NEXT
WEEK. SOME LOCATIONS WEST OF THE MOUNTAINS WILL BE UP TO 5 DEGREES
BELOW AVERAGE EARLY NEXT WEEK. HIGHS ON TUESDAY WILL RANGE FROM THE
LOW TO MID 70S NEAR THE COAST TO THE UPPER 80S TO MID 90S FOR THE
INLAND EMPIRE WITH 105 TO 110 FOR THE LOWER DESERTS. WEDNESDAY WILL
BE A FEW DEGREES WARMER THAN TUESDAY.
AVIATION
302030Z....COASTS/WESTERN VALLEYS...LOW CLOUDS AND FOG WITH BASES
700-1000 FEET MSL, TOPS TO 1600 FEET AND VIS 1-5SM ON HIGHER COASTAL
TERRAIN WILL REDEVELOP AND SPREAD ASHORE AFTER 05Z AND LOCALLY
INLAND GRADUALLY OVERNIGHT, ACHIEVING SIMILAR COVERAGE AS THIS
MORNING. SCATTER OUT THURSDAY AROUND 16-17Z.
INLAND VALLEYS/MOUNTAINS/DESERTS
MOSTLY CLEAR WITH VFR CONDITIONS
THROUGH THURSDAY.
MARINE
NO HAZARDOUS MARINE CONDITIONS ARE EXPECTED THROUGH MONDAY.
BEACHES
FOR BEACHES AND HARBORS...SMALL WATER LEVEL FLUCTUATIONS WILL
CONTINUE PERIODICALLY THROUGH AT LEAST THIS AFTERNOON FROM THE
ONGOING BUT DIMINISHING TSUNAMI. THE TSUNAMI ADVISORY WAS
CANCELLED AT 520 AM THIS MORNING.
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...CO
AVIATION/MARINE/BEACHES...MM
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