138  
FSUS46 KSGX 090908  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
208 AM PDT THU APR 9 2026  
 
PRECIPITATION FORECAST IN INCHES IN 6-HOUR PERIODS...  
[ BEGINNING TIMES FOR EACH PERIOD ARE IN LOCAL TIME... ]  
[ FOR EXAMPLE...05THU ]  
[ ...11THU IS A FORECAST FOR 5 AM TO 11 AM THURSDAY ]  
[ FOR EXAMPLE...23THU ]  
[ ...05FRI IS A FORECAST FOR 11 PM THURSDAY TO 5 AM FRIDAY]  
 
   
..ORANGE COUNTY COASTAL AREAS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
HUNTINGTON BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.00 0.00 0.10  
NEWPORT BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.00 0.00 0.09  
LAGUNA BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.00 0.00 0.09  
SAN CLEMENTE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.00 0.00 0.08  
 
   
..ORANGE COUNTY INLAND AREAS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
ANAHEIM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.04 0.00 0.00 0.11  
FULLERTON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.01 0.00 0.00 0.12  
BREA  
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.06 0.02 0.00 0.00 0.14  
VILLA PARK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.02 0.00 0.00 0.12  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
FREMONT CANYON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.02 0.00 0.00 0.12  
SILVERADO CANYON, 3 MI EAST OF SILVERADO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.03 0.00 0.00 0.17  
MODJESKA PRESERVE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.03 0.00 0.00 0.14  
SANTIAGO PEAK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.04 0.00 0.00 0.16  
EL CARISO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.03 0.00 0.00 0.10  
SANTA ROSA PLATEAU  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.08  
 
   
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
ONTARIO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.02 0.00 0.00 0.12  
SAN BERNARDINO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.02 0.01 0.00 0.09  
BEAUMONT  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.03 0.02 0.01 0.10  
RIVERSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.00 0.00 0.09  
PERRIS VALLEY CHANNEL  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.02 0.00 0.00 0.07  
PRADO DAM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.00 0.00 0.12  
TEMECULA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.06  
HEMET  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.02 0.00 0.00 0.05  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
IDYLLWILD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.02 0.01 0.00 0.06  
 
   
..COACHELLA VALLEY
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
PALM SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
THERMAL  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO COUNTY MOUNTAINS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
SAN ANTONIO DAM  
0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.09 0.02 0.01 0.02 0.20  
LYTLE CREEK  
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.08 0.03 0.01 0.01 0.17  
WRIGHTWOOD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.11  
LAKE ARROWHEAD  
0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.10 0.04 0.01 0.01 0.11  
BIG BEAR LAKE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.01 0.01 0.01 0.05  
BIG MORONGO CANYON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..APPLE AND LUCERNE VALLEYS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
HESPERIA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03  
VICTORVILLE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.04  
APPLE VALLEY  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03  
 
   
..SAN DIEGO COUNTY COASTAL AREAS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
OCEANSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.04 0.00 0.00 0.08  
MIRAMAR  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.05  
SAN DIEGO INTERNATIONAL AIRPORT  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.02 0.00 0.00 0.05  
CHULA VISTA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.04  
SAN YSIDRO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.03 0.00 0.00 0.05  
 
   
..SAN DIEGO COUNTY VALLEYS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
FALLBROOK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.04 0.00 0.00 0.06  
RANCHO BERNARDO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.06  
LA MESA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.05  
EL CAJON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.04 0.00 0.00 0.04  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
PALOMAR MOUNTAIN  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.06  
JULIAN  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.03 0.00 0.00 0.05  
MOUNT LAGUNA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.02  
CAMPO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.01  
 
   
..SAN DIEGO COUNTY DESERTS
 
 
05THU 11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT  
11THU 17THU 23THU 05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN  
 
BORREGO SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 

 
 
DRY WEATHER WILL CONTINUE THROUGH FRIDAY MORNING.  
 
A WEAKENING LOW PRESSURE SYSTEM WILL MOVE THROUGH SOUTHERN  
CALIFORNIA LATE FRIDAY INTO SATURDAY WITH RAINFALL FROM THE COAST  
TO THE MOUNTAINS MOSTLY ONE-TENTH INCH OR LESS TO LOCALLY ONE-  
QUARTER INCH IN THE MOUNTAINS.  
 
FOR LATE SATURDAY NIGHT THROUGH SUNDAY, A SECOND LOW PRESSURE  
SYSTEM FROM THE NORTHWEST WILL BRING ADDITIONAL RAINFALL RANGING  
FROM AROUND ONE-THIRD INCH NEAR THE COAST TO ONE-HALF TO LOCALLY  
ONE INCH IN THE MOUNTAINS WITH LESS THAN ONE-QAURTER INCH IN THE  
HIGH DESERT AND LESS THAN ONE-TENTH INCH IN THE LOWER DESERTS.  
A SNOW LEVEL ABOVE 8000 FEET ON FRIDAY WILL LOWER TO 6500 TO 7000  
FEET ON SATURDAY AND 6000 TO 6500 FEET ON SUNDAY.  
 
SOME ADDITIONAL SHOWERS COULD LINGER FOR SUNDAY NIGHT INTO MONDAY  
MORNING WITH THE SNOW LEVEL LOWERING TO 5000 TO 5500 FEET FOR  
LATE SUNDAY NIGHT INTO MONDAY MORNING.  
 

 
 
17  
 
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