540
FXUS66 KSGX 080932
AFDSGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
232 AM PDT WED APR 8 2026
SYNOPSIS
WARMER TODAY, THEN COOLING FOR THURSDAY THROUGH THE WEEKEND WITH
GUSTY SOUTHWEST TO WEST WINDS FOR THE MOUNTAINS AND DESERTS ON
THURSDAY AND FRIDAY BECOMING WEST TO NORTHWEST FOR THE WEEKEND. A
LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL BRING SHOWERS FOR LATE
FRIDAY THROUGH SATURDAY WITH A SECOND LOW PRESSURE SYSTEM FROM THE
NORTHWEST CONTINUING THE SHOWERS THROUGH SUNDAY. THEN DRYING AND
WARMER FOR MONDAY THROUGH WEDNESDAY OF NEXT WEEK.
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
SHORT TERM (TODAY THROUGH FRIDAY)
THE WARMING TREND WILL CONTINUE TODAY WITH HIGH TEMPERATURES A FEW
TO AROUND 5 DEGREES WARMER THAN TUESDAY, A FEW DEGREES ABOVE
AVERAGE NEAR THE COAST TO 8 TO 12 DEGREES ABOVE AVERAGE FOR THE
MOUNTAINS AND DESERTS. HIGH TEMPERATURES FOR TODAY WILL RANGE FROM
AROUND 70 NEAR THE COAST TO THE 80S FOR THE INLAND EMPIRE WITH
THE LOWER DESERTS IN THE MID TO UPPER 90S.
A LOW PRESSURE SYSTEM NEARING THE COAST OF NORTHERN AND CENTRAL
CALIFORNIA ON THURSDAY WILL MOVE INTO SOUTHERN CALIFORNIA LATE
FRIDAY. THERE WILL BE INCREASING CLOUDS FOR THURSDAY AND FRIDAY
AND STRONGER ONSHORE FLOW WILL BRING GUSTY SOUTHWEST TO WEST WINDS
TO THE MOUNTAINS AND DESERTS DURING THE AFTERNOON AND EVENING ON
THURSDAY AND FRIDAY WITH THE STRONGER GUSTS TO 35 TO 45 MPH.
THERE WILL BE A COOLING TREND FOR THURSDAY AND FRIDAY WITH HIGH
TEMPERATURES COOLING AROUND 5 DEGREES FOR INLAND AREAS ON
THURSDAY AND ANOTHER FEW DEGREES FOR INLAND AREAS ON FRIDAY.
FRIDAY HIGH TEMPERATURES WILL RANGE FROM NEAR TO AROUND 5 DEGREES
ABOVE AVERAGE. FRIDAY HIGH TEMPERATURES WILL RANGE FROM AROUND 70
NEAR THE COAST TO THE 70S FOR THE VALLEYS WITH THE LOWER DESERTS
AROUND 90.
PRECIPITATION WILL SPREAD INTO SOUTHWESTERN CALIFORNIA FOR LATE
FRIDAY AND FRIDAY NIGHT. A SNOW LEVEL AROUND 8500 FEET ON FRIDAY
AFTERNOON WILL FALL TO AROUND 7500 FEET FOR LATE FRIDAY NIGHT.
LONG TERM (SATURDAY THROUGH TUESDAY)
SHOWERS WILL CONTINUE THROUGH SATURDAY ALONG WITH A SLIGHT CHANCE
OF THUNDERSTORMS. A SECOND LOW PRESSURE SYSTEM FROM THE NORTHWEST
WILL CONTINUE THE SHOWERS THROUGH SUNDAY. THE COOLING TREND WILL
CONTINUE THROUGH SUNDAY WITH SUNDAY HIGH TEMPERATURES AS MUCH AS
10 TO 15 DEGREES BELOW AVERAGE FOR THE MOUNTAINS. HIGH
TEMPERATURES ON SUNDAY WILL BE MOSTLY IN THE 60S FOR THE COAST
AND VALLEYS AND IN THE 70S FOR THE LOWER DESERTS. THE SNOW LEVEL
WILL GRADUALLY LOWER THROUGH THE WEEKEND TO AROUND 7000 FEET ON
SATURDAY AND 6500 TO 7000 FEET ON SUNDAY.
RAINFALL FOR LATE FRIDAY THROUGH SUNDAY NIGHT COULD RANGE FROM
ONE-HALF TO ONE INCH NEAR THE COAST TO 1.5 TO 2 INCHES IN THE
MOUNTAINS WITH ONE-QUARTER TO ONE-HALF INCH FOR THE HIGH DESERT
AND ONE-TENTH TO ONE-QUARTER INCH FOR THE LOWER DESERTS.
THERE WILL BE DRYING AND WARMING FOR MONDAY THROUGH WEDNESDAY OF
NEXT WEEK WITH WEDNESDAY HIGH TEMPERATURES AROUND 5 DEGREES ABOVE
AVERAGE WITH HIGH TEMPERATURES RANGING FROM AROUND 70 NEAR THE
COAST TO AROUND 80 FOR THE INLAND EMPIRE WITH THE LOWER DESERTS
AROUND 90.
AVIATION
080930Z...LOW CLOUDS 700-1100 FEET MSL WILL CONTINUE TO COVER MOST
COASTAL AREAS THROUGH 14Z. VIS REDUCED 1-5SM IN BR ON HIGHER COASTAL
TERRAIN. SCATTER OUT 15-17Z. COASTAL LOW CLOUDS AT 900-1200 FEET MSL
TO REDEVELOP AFTER 06Z AND GRADUALLY COVER MOST OF THE COASTAL
AREAS, LESS LIKELY AROUND KSNA, OVERNIGHT INTO THURSDAY. BRISK WEST
TO SOUTHWEST WINDS 25-35 KTS OVER THE MTNS/DESERT FOOTHILLS INTO THE
DESERTS AFTER 01Z.
MARINE
THERE WILL BE OCCASIONAL WIND GUSTS EXCEEDING 20 KNOTS AND LOCALLY
CHOPPY CONDITIONS IN THE VICINITY OF SAN CLEMENTE ISLAND TONIGHT.
THERE IS A 20% CHANCE OF THUNDERSTORMS OVER THE WATERS FRIDAY NIGHT
THROUGH SATURDAY. OTHERWISE, 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page