571  
FSUS46 KSGX 031212  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
512 AM PDT SAT MAY 3 2025  
 
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  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
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 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAGUNA BEACH  
0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN CLEMENTE  
0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..ORANGE COUNTY INLAND AREAS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
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 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
FREMONT CANYON  
0.00 0.00 0.00 0.01 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 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MODJESKA PRESERVE  
0.00 0.00 0.00 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTIAGO PEAK  
0.00 0.00 0.00 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CARISO  
0.00 0.00 0.00 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTA ROSA PLATEAU  
0.00 0.00 0.00 0.03 0.01 0.00 0.00 0.01 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
ONTARIO  
0.00 0.00 0.00 0.05 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN BERNARDINO  
0.00 0.00 0.03 0.10 0.04 0.01 0.03 0.02 0.01 0.00 0.00 0.00  
BEAUMONT  
0.00 0.00 0.02 0.07 0.03 0.05 0.10 0.05 0.02 0.01 0.01 0.00  
RIVERSIDE  
0.00 0.00 0.01 0.02 0.02 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 0.02 0.01 0.00 0.00 0.00 0.00  
PRADO DAM  
0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
TEMECULA  
0.00 0.00 0.00 0.03 0.01 0.00 0.00 0.01 0.00 0.00 0.00 0.00  
HEMET  
0.00 0.00 0.01 0.05 0.02 0.01 0.04 0.03 0.01 0.01 0.00 0.00  
 
   
..RIVERSIDE COUNTY MOUNTAINS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
IDYLLWILD  
0.00 0.00 0.00 0.04 0.01 0.02 0.06 0.05 0.03 0.02 0.00 0.00  
 
   
..COACHELLA VALLEY  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
PALM SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.01 0.02 0.01 0.00 0.00 0.00 0.00  
THERMAL  
0.00 0.00 0.00 0.00 0.00 0.02 0.02 0.02 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO COUNTY MOUNTAINS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
SAN ANTONIO DAM  
0.00 0.00 0.02 0.07 0.02 0.03 0.04 0.02 0.00 0.01 0.00 0.00  
LYTLE CREEK  
0.00 0.00 0.00 0.12 0.04 0.01 0.05 0.03 0.01 0.01 0.00 0.00  
WRIGHTWOOD  
0.00 0.00 0.00 0.00 0.01 0.03 0.03 0.01 0.00 0.00 0.00 0.00  
LAKE ARROWHEAD  
0.00 0.00 0.07 0.10 0.03 0.03 0.08 0.04 0.03 0.01 0.01 0.00  
BIG BEAR LAKE  
0.00 0.00 0.00 0.01 0.01 0.07 0.06 0.05 0.04 0.03 0.01 0.00  
BIG MORONGO CANYON  
0.00 0.00 0.00 0.00 0.00 0.06 0.06 0.02 0.02 0.01 0.01 0.00  
 
   
..APPLE AND LUCERNE VALLEYS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
HESPERIA  
0.00 0.00 0.00 0.00 0.00 0.03 0.03 0.01 0.00 0.00 0.00 0.00  
VICTORVILLE  
0.00 0.00 0.00 0.00 0.00 0.03 0.02 0.01 0.00 0.00 0.00 0.00  
APPLE VALLEY  
0.00 0.00 0.00 0.00 0.00 0.05 0.02 0.01 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY COASTAL AREAS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
OCEANSIDE  
0.00 0.00 0.00 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MIRAMAR  
0.00 0.00 0.02 0.02 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN DIEGO INTERNATIONAL AIRPORT  
0.00 0.00 0.00 0.01 0.04 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
CHULA VISTA  
0.00 0.00 0.00 0.01 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
SAN YSIDRO  
0.00 0.00 0.00 0.02 0.03 0.01 0.01 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY VALLEYS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
FALLBROOK  
0.00 0.00 0.00 0.03 0.02 0.00 0.00 0.01 0.00 0.00 0.00 0.00  
RANCHO BERNARDO  
0.00 0.00 0.03 0.03 0.04 0.01 0.01 0.01 0.00 0.00 0.00 0.00  
LA MESA  
0.00 0.00 0.03 0.02 0.04 0.01 0.01 0.00 0.00 0.00 0.00 0.00  
EL CAJON  
0.00 0.00 0.03 0.03 0.04 0.01 0.01 0.01 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY MOUNTAINS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
PALOMAR MOUNTAIN  
0.00 0.00 0.00 0.05 0.01 0.01 0.02 0.02 0.01 0.00 0.00 0.00  
JULIAN  
0.00 0.00 0.01 0.10 0.03 0.02 0.04 0.03 0.01 0.00 0.00 0.00  
MOUNT LAGUNA  
0.00 0.00 0.00 0.04 0.01 0.01 0.01 0.02 0.01 0.00 0.00 0.00  
CAMPO  
0.00 0.00 0.00 0.04 0.02 0.01 0.04 0.02 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY DESERTS  
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
BORREGO SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00  
 
 
 
A COLD LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL MOVE INTO THE  
AREA THIS WEEKEND, LINGERING THROUGH MONDAY. THERE IS A SLIGHT  
CHANCE OF SHOWERS STARTING TONIGHT ALONG AND WEST OF THE  
MOUNTAINS. SHOWER CHANCES WILL INCREASE BY SUNDAY ACROSS MUCH OF  
SOUTHERN CALIFORNIA. HEAVIEST RAINFALL WILL BE ALONG THE COASTAL  
SLOPES WITH SOME SPOTS REACHING NEAR ONE HALF INCH. THERE IS ALSO  
A SLIGHT CHANCE OF THUNDERSTORMS ACROSS THE COACHELLA VALLEY AND  
HIGH DESERT, WHERE HOURLY RAIN RATES MAY EXCEED ONE HALF INCH ON  
SUNDAY AFTERNOON AND EVENING. MORE INTERMITTENT SHOWER ACTIVITY  
WILL CONTINUE MONDAY FROM THE FOOTHILLS INTO THE MOUNTAINS AND  
DESERTS. SNOW LEVELS WILL BE LOWEST SUNDAY MORNING, FALLING AS  
LOW AS 6500 FEET IN SAN BERNARDINO AND RIVERSIDE COUNTIES. A  
DUSTING OF SNOW IS LIKELY FOR AREAS NEAR 7,000 FEET.  
 
 
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