249  
FSUS46 KSGX 041005  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
305 AM PDT SUN MAY 4 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
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
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  
0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN CLEMENTE  
0.01 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
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
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
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
FREMONT CANYON  
0.00 0.01 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  
0.02 0.02 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MODJESKA PRESERVE  
0.01 0.01 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTIAGO PEAK  
0.03 0.03 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CARISO  
0.01 0.01 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTA ROSA PLATEAU  
0.01 0.00 0.02 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
ONTARIO  
0.02 0.03 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN BERNARDINO  
0.05 0.04 0.08 0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BEAUMONT  
0.06 0.05 0.17 0.07 0.03 0.01 0.01 0.00 0.00 0.00 0.00 0.00  
RIVERSIDE  
0.03 0.03 0.02 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PERRIS VALLEY CHANNEL  
0.01 0.02 0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PRADO DAM  
0.00 0.01 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
TEMECULA  
0.02 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
HEMET  
0.04 0.02 0.09 0.05 0.02 0.01 0.01 0.00 0.00 0.00 0.00 0.00  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
IDYLLWILD  
0.03 0.08 0.10 0.04 0.01 0.04 0.01 0.00 0.00 0.00 0.00 0.00  
 
   
..COACHELLA VALLEY
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
PALM SPRINGS  
0.00 0.03 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
THERMAL  
0.00 0.02 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO COUNTY MOUNTAINS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
SAN ANTONIO DAM  
0.04 0.07 0.05 0.03 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00  
LYTLE CREEK  
0.03 0.09 0.03 0.04 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
WRIGHTWOOD  
0.00 0.08 0.01 0.05 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
LAKE ARROWHEAD  
0.02 0.06 0.16 0.09 0.03 0.01 0.01 0.00 0.00 0.00 0.00 0.00  
BIG BEAR LAKE  
0.01 0.06 0.16 0.08 0.03 0.05 0.01 0.00 0.00 0.00 0.00 0.00  
BIG MORONGO CANYON  
0.00 0.09 0.03 0.07 0.00 0.03 0.01 0.00 0.00 0.00 0.00 0.00  
 
   
..APPLE AND LUCERNE VALLEYS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
HESPERIA  
0.00 0.11 0.06 0.05 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VICTORVILLE  
0.00 0.14 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
APPLE VALLEY  
0.00 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY COASTAL AREAS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
OCEANSIDE  
0.01 0.01 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MIRAMAR  
0.02 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN DIEGO INTERNATIONAL AIRPORT  
0.02 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CHULA VISTA  
0.02 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN YSIDRO  
0.02 0.02 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY VALLEYS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
FALLBROOK  
0.01 0.01 0.04 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RANCHO BERNARDO  
0.02 0.02 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LA MESA  
0.03 0.01 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CAJON  
0.03 0.01 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
PALOMAR MOUNTAIN  
0.03 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
JULIAN  
0.05 0.03 0.05 0.03 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
MOUNT LAGUNA  
0.02 0.02 0.01 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CAMPO  
0.03 0.02 0.03 0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY DESERTS
 
 
05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE  
11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED  
 
BORREGO SPRINGS  
0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 

 
 
A COLD LOW CURRENTLY OVER THE REGION WILL BRING LIGHT SHOWERS  
ACROSS THE COASTAL SLOPES AND PARTS OF WESTERN SAN DIEGO COUNTY  
THIS MORNING. SHOWER ACTIVITY WILL CONTINUE FOR THESE AREAS THIS  
AFTERNOON AND EVENING, ALONG WITH AN INCREASED CHANCE FOR  
THUNDERSTORMS ACROSS THE HIGH DESERT AND COACHELLA VALLEY. HI-RES  
MODELS INDICATE STORMS WILL PRODUCE NEAR 1/4" AN HOUR RAINFALL  
RATES, WITH SOME STRONGER STORMS CLOSER TO 1/2" PER HOUR IN PARTS  
OF THE HIGH DESERT.  
 
MORE INTERMITTENT SHOWER ACTIVITY WILL CONTINUE MONDAY FROM THE  
FOOTHILLS INTO THE MOUNTAINS AND DESERTS WITH MOSTLY DRY  
CONDITIONS BY TUESDAY ONWARD. SNOW LEVELS WILL BE LOWEST THIS  
MORNING, NEAR 6500 FEET IN SAN BERNARDINO AND RIVERSIDE COUNTIES.  
A DUSTING OF SNOW IS LIKELY FOR AREAS NEAR 7,000 FEET.  
 

 
 
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