542  
FSUS46 KSGX 270753  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1253 AM PDT TUE OCT 27 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
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
HUNTINGTON BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
NEWPORT BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAGUNA BEACH  
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 CLEMENTE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..ORANGE COUNTY INLAND AREAS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
ANAHEIM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
FULLERTON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BREA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VILLA PARK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
FREMONT 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  
SILVERADO CANYON, 3 MI EAST OF SILVERADO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MODJESKA PRESERVE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTIAGO PEAK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CARISO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTA ROSA PLATEAU  
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 AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
ONTARIO  
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  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BEAUMONT  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RIVERSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PERRIS VALLEY CHANNEL  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PRADO DAM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
TEMECULA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
HEMET  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
IDYLLWILD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..COACHELLA VALLEY
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
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
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
SAN ANTONIO DAM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LYTLE CREEK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
WRIGHTWOOD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAKE ARROWHEAD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BIG BEAR LAKE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
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
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
HESPERIA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VICTORVILLE  
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 VALLEY  
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 DIEGO COUNTY COASTAL AREAS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
OCEANSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MIRAMAR  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
SAN DIEGO INTERNATIONAL AIRPORT  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
CHULA VISTA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
SAN YSIDRO  
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 DIEGO COUNTY VALLEYS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
FALLBROOK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RANCHO BERNARDO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
LA MESA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
EL CAJON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
PALOMAR MOUNTAIN  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
JULIAN  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01  
MOUNT LAGUNA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CAMPO  
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 DIEGO COUNTY DESERTS
 
 
05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU  
11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU 11THU 17THU 23THU 05FRI  
 
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 WEDNESDAY. THE CHANCE FOR  
MEASURABLE RAINFALL ON THURSDAY IS LESS THAN 10 PERCENT. THERE IS  
A 20 TO 30 PERCENT CHANCE FOR MOSTLY LIGHT RAINFALL FROM THE COAST  
TO THE MOUNTAINS FOR FRIDAY AND FRIDAY NIGHT. CHANCES FOR  
RAINFALL AND POTENTIALLY HEAVIER RAINFALL WILL INCREASE DURING THE  
WEEKEND, BUT HAS TRENDED SLIGHTLY LOWER.  
 
FOR SATURDAY MORNING THROUGH SUNDAY NIGHT, THE CHANCE FOR 0.10  
INCH OR MORE OF RAINFALL FROM THE COAST TO THE MOUNTAINS RANGES  
FROM 60 TO 65 PERCENT FOR ORANGE AND SOUTHWESTERN SAN BERNARDINO  
COUNTIES TO 70 TO 75 PERCENT FOR SAN DIEGO COUNTY.  
 
FOR SATURDAY MORNING THROUGH SUNDAY NIGHT, THE CHANCE FOR 0.50  
INCH OR MORE OF RAINFALL FROM THE COAST TO THE MOUNTAINS RANGES  
FROM 40 TO 45 PERCENT FOR ORANGE AND SOUTHWESTERN SAN BERNARDINO  
COUNTIES TO 50 TO 60 PERCENT FOR SAN DIEGO COUNTY.  
 
FOR SATURDAY MORNING THROUGH SUNDAY NIGHT, THE CHANCE FOR 1 INCH  
OR MORE OF RAINFALL FROM THE COAST TO THE MOUNTAINS RANGES FROM 25  
TO 30 PERCENT FOR ORANGE AND SOUTHWESTERN SAN BERNARDINO COUNTIES  
TO 35 TO 40 PERCENT FOR SAN DIEGO COUNTY.  
 
CHANCES FOR RAINFALL ARE INCREASING FOR 10 PM SATURDAY THROUGH 4  
AM SUNDAY AND ARE HIGHEST FOR 4 AM TO 10 AM SUNDAY.  
 

 
 
17  
 
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