109
FXUS66 KSGX 121116
AFDSGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
316 AM PST MON JAN 12 2026
SYNOPSIS
MODERATE TO LOCALLY STRONG SANTA ANA WINDS WILL CONTINUE ALONG
THE COASTAL MOUNTAIN SLOPES, FOOTHILLS, AND INTO THE VALLEYS
INTO THIS AFTERNOON. PERIODS OF WEAKER SANTA ANA WINDS WILL
CONTINUE THROUGH THE REMAINDER OF THE WEEK. AS THE OFFSHORE FLOW
WEAKENS, HIGH TEMPERATURES WILL WARM THROUGH WEDNESDAY TO AS MUCH
AS 10 TO 15 DEGREES ABOVE AVERAGE FOR THE VALLEYS WITH NOT MUCH
CHANGE THROUGH NEXT WEEKEND.
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
SHORT TERM (TODAY THROUGH WEDNESDAY)
GUSTY SANTA ANA WINDS WILL CONTINUE INTO THIS AFTERNOON WITH THE
STRONGER GUSTS NEAR AND BELOW THE CAJON PASS AND ALONG THE COASTAL
SLOPES OF THE SAN DIEGO COUNTY MOUNTAINS TO 50 TO 60 MPH. PERIODS
OF SANTA ANA WINDS WILL CONTINUE FOR TUESDAY AND WEDNESDAY.
HOWEVER THE WINDS WILL NOT BE AS STRONG AND COVERAGE WILL BE LESS.
AS THE OFFSHORE FLOW WEAKENS, HIGH TEMPERATURES FOR INLAND AREAS
WILL WARM THROUGH WEDNESDAY WITH WEDNESDAY HIGH TEMPERATURES AS
MUCH AS 10 TO 15 DEGREES ABOVE AVERAGE FOR THE VALLEYS.
LONG TERM (THURSDAY THROUGH SUNDAY)
WINDS WILL BE WEAKER ON THURSDAY. HIGH TEMPERATURES ON THURSDAY
WILL BE SIMILAR TO WEDNESDAY, WITH HIGH TEMPERATURES AS MUCH AS 10
TO 15 DEGREES ABOVE AVERAGE FOR THE VALLEYS. HIGH TEMPERATURES FOR
WEDNESDAY AND THURSDAY WILL RANGE FROM THE LOWER 70S NEAR THE
COAST TO THE LOWER TO MID 80S FOR THE WESTERN VALLEYS AND INLAND
ORANGE COUNTY WITH THE LOWER DESERTS IN THE LOWER 80S. NOT MUCH
CHANGE IN HIGH TEMPERATURES IS EXPECTED FOR FOR FRIDAY THROUGH
SUNDAY, BUT WITH THE HUMIDITY A LITTLE LOWER FOR INLAND AREAS.
AVIATION
121030Z...MOSTLY CLEAR SKIES AND VFR CONDITIONS TODAY AND TONIGHT.
AREAS OF NORTHEAST WINDS 25-35 KTS MAINLY ON COASTAL SLOPES AND
LOCALLY INTO VALLEYS AND COASTAL PLAINS THROUGH THIS MORNING. WINDS
DECREASE THIS AFTERNOON, WITH MORE ISOLATED WINDS 20-30 KTS IN THE
SAME AREAS INTO TUESDAY. PERIODS OF LLWS WITH MOD UP/DOWNDRAFTS IN
LEE OF MOUNTAINS, MAINLY THROUGH 16Z TODAY.
MARINE
NO HAZARDOUS MARINE CONDITIONS ARE EXPECTED THROUGH FRIDAY.
SKYWARN
SKYWARN ACTIVATION IS NOT REQUESTED. HOWEVER WEATHER SPOTTERS ARE
ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS.
SGX WATCHES/WARNINGS/ADVISORIES
CA...WIND ADVISORY UNTIL 2 PM PST THIS AFTERNOON FOR ORANGE COUNTY
INLAND AREAS-RIVERSIDE COUNTY MOUNTAINS-SAN BERNARDINO
COUNTY MOUNTAINS-SAN BERNARDINO AND RIVERSIDE COUNTY
VALLEYS-THE INLAND EMPIRE-SAN DIEGO COUNTY MOUNTAINS-SAN
DIEGO COUNTY VALLEYS-SAN GORGONIO PASS NEAR BANNING-SANTA
ANA MOUNTAINS AND FOOTHILLS.
PZ...NONE.
PUBLIC...17
AVIATION/MARINE...MM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page