869
FXUS66 KSGX 230936
AFDSGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
236 AM PDT THU APR 23 2026
SYNOPSIS
HIGH TEMPERATURES WARMING TO AROUND AVERAGE FOR TODAY AND FRIDAY,
THEN COOLER FOR THE WEEKEND WITH SOUTHWEST TO WEST WINDS FOR THE
MOUNTAINS AND DESERTS GUSTING TO 40 TO 50 MPH WITH ISOLATED GUSTS
TO 65 MPH. THERE IS ALSO A CHANCE OF SHOWERS FOR SATURDAY THROUGH
EARLY SUNDAY WITH THE MOST LIKELY TIME FOR SHOWERS ON SATURDAY
NIGHT. WARMER AND DRY WITH WEAKER WINDS FOR MONDAY, THEN ANOTHER
CHANCE OF SHOWERS AROUND THE MIDDLE OF NEXT WEEK.
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
SHORT TERM (TODAY THROUGH SATURDAY)
A LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST WILL MOVE INLAND
THROUGH CENTRAL AND SOUTHERN CALIFORNIA DURING THE WEEKEND. THIS
WILL STRENGTHEN THE ONSHORE FLOW AND BRING COOLING, STRONGER
SOUTHWEST TO WEST WINDS FOR THE MOUNTAINS AND DESERTS, AND A
CHANCE OF SHOWERS FROM THE COASTAL WATER TO THE MOUNTAINS.
HIGH TEMPERATURES FOR INLAND AREAS WILL WARM 5 TO 10 DEGREES TODAY
WITH HIGH TEMPERATURES AROUND AVERAGE FOR THE MOUNTAINS AND
DESERTS AND A FEW DEGREES ABOVE AVERAGE FOR THE COAST AND VALLEYS.
HIGH TEMPERATURES FOR TODAY WILL RANGE FROM AROUND 70 NEAR THE
COAST TO THE MID 70S TO LOWER 80S FOR THE INLAND EMPIRE WITH THE
LOWER DESERTS IN THE UPPER 80S. FRIDAY WILL BE SLIGHTLY COOLER FOR
THE COAST TO THE MOUNTAINS AND SLIGHTLY WARMER FOR THE DESERTS.
HIGH TEMPERATURES ON SATURDAY WILL BE A FEW DEGREES COOLER NEAR
THE COAST TO 8 TO 12 DEGREES COOLER FOR INLAND AREAS WITH HIGH
TEMPERATURES AS MUCH AS 10 TO 15 DEGREES BELOW AVERAGE FOR THE
MOUNTAINS. HIGH TEMPERATURES ON SATURDAY FOR THE COAST AND VALLEYS
WILL BE MOSTLY IN THE 60S WITH THE LOWER DESERTS IN THE UPPER 70S
TO MID 80S.
SOUTHWEST TO WEST WINDS WILL GUST TO 30 TO 40 MPH DURING THE
AFTERNOON AND EVENING FOR TODAY AND FRIDAY, THEN STRENGTHEN TO 40
TO 50 MPH FOR THE WEEKEND WITH ISOLATED GUSTS TO 65 MPH. THERE
COULD BE SOME LIGHTER PRECIPITATION AT TIMES DURING THE DAY ON
SATURDAY FROM THE COAST TO THE MOUNTAINS.
LONG TERM (SATURDAY NIGHT THROUGH WEDNESDAY)
A LOW PRESSURE SYSTEM MOVING INLAND THROUGH CENTRAL AND SOUTHERN
CALIFORNIA DURING THE WEEKEND WILL BRING A CHANCE OF SHOWERS FOR
SATURDAY THROUGH EARLY SUNDAY WITH THE MOST LIKELY TIME FOR
PRECIPITATION SATURDAY NIGHT WITH RAINFALL FROM THE COAST TO THE
MOUNTAINS RANGING FROM LESS THAN ONE-TENTH INCH TO AROUND ONE-
QUARTER INCH.
NOT MUCH CHANGES IN WINDS AND HIGH TEMPERATURES IS EXPECTED FOR
SUNDAY, THEN DRY ON MONDAY WITH WEAKER WINDS AND WITH HIGH
TEMPERATURES 5 TO 10 DEGREES WARMER FOR INLAND AREAS. TOWARD THE
MIDDLE OF NEXT WEEK, ANOTHER LOW PRESSURE SYSTEM COULD BRING A
CHANCE OF PRECIPITATION.
AVIATION
230930Z...COAST/VALLEYS...SCT-BKN LOW CLOUDS MAINLY IN SAN DIEGO
COUNTY WILL CONTINUE VARIABLE AND INTERMITTENT COVERAGE THROUGH 15Z.
BASES WILL BE AROUND 2200-3500 FEET MSL. PATCHY LOW CLOUDS WILL
STRUGGLE TO REFORM TONIGHT AFTER 06Z WITH 30% CHANCE OF CIGS OVER
COASTAL AIRPORTS.
MOUNTAINS/DESERTS...WEST WINDS GUSTING 25-35 KTS THROUGH PASSES AND
ALONG DESERT SLOPES WILL CONTINUE TO DIMINISH THROUGH 16Z. LOCAL
UP/DOWNDRAFTS IN LEE OF MOUNTAINS.
OTHERWISE...SCT HIGH CLOUDS TODAY AND TONIGHT.
MARINE
NO HAZARDOUS MARINE CONDITIONS ARE EXPECTED THROUGH MONDAY, THOUGH
BRISK WESTERLY WINDS TO 20 KTS ARE EXPECTED LATE FRIDAY AND LATE
SATURDAY.
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
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