464  
FSUS46 KSGX 090952  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
252 AM PDT FRI OCT 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
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
HUNTINGTON BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.20 0.22 0.00 0.03  
NEWPORT BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.22 0.25 0.00 0.03  
LAGUNA BEACH  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.12 0.25 0.29 0.00 0.03  
SAN CLEMENTE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.13 0.25 0.30 0.00 0.04  
 
   
..ORANGE COUNTY INLAND AREAS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
ANAHEIM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.23 0.28 0.00 0.03  
FULLERTON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.25 0.24 0.00 0.02  
BREA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.27 0.29 0.00 0.03  
VILLA PARK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.22 0.32 0.00 0.04  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
FREMONT CANYON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.12 0.24 0.37 0.02 0.06  
SILVERADO CANYON, 3 MI EAST OF SILVERADO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.15 0.30 0.44 0.02 0.07  
MODJESKA PRESERVE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.15 0.28 0.41 0.01 0.06  
SANTIAGO PEAK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.15 0.31 0.44 0.02 0.07  
EL CARISO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.13 0.28 0.37 0.03 0.06  
SANTA ROSA PLATEAU  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.16 0.29 0.34 0.04 0.06  
 
   
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
ONTARIO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.21 0.35 0.02 0.07  
SAN BERNARDINO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.20 0.36 0.07 0.12  
BEAUMONT  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.14 0.33 0.46 0.05 0.09  
RIVERSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.19 0.30 0.03 0.07  
PERRIS VALLEY CHANNEL  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.13 0.26 0.33 0.04 0.06  
PRADO DAM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.22 0.35 0.03 0.06  
TEMECULA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.32 0.37 0.05 0.09  
HEMET  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.13 0.30 0.31 0.02 0.07  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
IDYLLWILD  
0.00 0.00 0.00 0.00 0.00 0.04 0.00 0.18 0.59 0.50 0.02 0.06  
 
   
..COACHELLA VALLEY
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
PALM SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.26 0.15 0.01 0.00  
THERMAL  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.31 0.12 0.00 0.00  
 
   
..SAN BERNARDINO COUNTY MOUNTAINS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
SAN ANTONIO DAM  
0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.11 0.31 0.61 0.04 0.09  
LYTLE CREEK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.12 0.27 0.52 0.05 0.06  
WRIGHTWOOD  
0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.07 0.29 0.41 0.03 0.03  
LAKE ARROWHEAD  
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.13 0.31 0.56 0.10 0.12  
BIG BEAR LAKE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.13 0.35 0.56 0.04 0.03  
BIG MORONGO CANYON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.26 0.21 0.01 0.00  
 
   
..APPLE AND LUCERNE VALLEYS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
HESPERIA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.19 0.26 0.02 0.02  
VICTORVILLE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.15 0.22 0.00 0.00  
APPLE VALLEY  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.14 0.20 0.00 0.00  
 
   
..SAN DIEGO COUNTY COASTAL AREAS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
OCEANSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.17 0.28 0.31 0.01 0.04  
MIRAMAR  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21 0.29 0.23 0.01 0.03  
SAN DIEGO INTERNATIONAL AIRPORT  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21 0.30 0.21 0.00 0.01  
CHULA VISTA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21 0.30 0.19 0.00 0.01  
SAN YSIDRO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.22 0.32 0.20 0.01 0.02  
 
   
..SAN DIEGO COUNTY VALLEYS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
FALLBROOK  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.17 0.27 0.32 0.03 0.06  
RANCHO BERNARDO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.20 0.29 0.27 0.02 0.06  
LA MESA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21 0.32 0.22 0.01 0.04  
EL CAJON  
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.21 0.33 0.23 0.02 0.05  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
PALOMAR MOUNTAIN  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.44 0.42 0.03 0.07  
JULIAN  
0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.24 0.50 0.46 0.05 0.08  
MOUNT LAGUNA  
0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.21 0.37 0.27 0.02 0.04  
CAMPO  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.25 0.24 0.03 0.06  
 
   
..SAN DIEGO COUNTY DESERTS
 
 
05FRI 11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
11FRI 17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
BORREGO SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.20 0.12 0.01 0.00  
 

 
 
DRY WEATHER WILL CONTINUE THROUGH SATURDAY AFTERNOON.  
 
A CLOSED LOW PRESSURE SYSTEM MOVING SOUTHWARD OFF THE CALIFORNIA  
COAST WILL INTERACT WITH A WEAKENING TROPICAL CYCLONE RACHEL TO  
SPREAD MOISTURE AND PRECIPITATION INTO SOUTHERN CALIFORNIA  
SATURDAY NIGHT INTO SUNDAY.  
 
NBM PROBABILITIES FOR 0.10 INCH OR MORE OF RAINFALL FOR SATURDAY  
NIGHT THROUGH SUNDAY NIGHT RANGE FROM 65 TO 75 PERCENT NEAR THE  
COAST TO 85 TO 95 PERCENT IN THE MOUNTAINS AND 50 TO 70 PERCENT  
FOR THE DESERTS. NBM PROBABILITIES FOR 0.50 INCH OR MORE OF  
RAINFALL FOR SATURDAY NIGHT THROUGH SUNDAY NIGHT RANGE FROM 30 TO  
50 PERCENT NEAR THE COAST TO 65 TO 80 PERCENT IN THE MOUNTAINS  
AND 20 TO 40 PERCENT FOR THE DESERTS. NBM PROBABILITIES FOR 1 INCH  
OR MORE OF RAINFALL FOR SATURDAY NIGHT THROUGH SUNDAY NIGHT RANGE  
FROM 20 TO 30 PERCENT NEAR THE COAST TO 50 TO 60 PERCENT IN THE  
MOUNTAINS WITH 10 TO 20 PERCENT FOR THE DESERTS. NBM PROBABILITIES  
FOR 2 INCHES OR MORE OF RAINFALL FOR SATURDAY NIGHT THROUGH  
SUNDAY NIGHT ARE 10 TO 15 PERCENT FOR THE MOUNTAINS.  
 
A SECOND LOW PRESSURE SYSTEM MOVING SOUTHWARD ALONG THE CALIFORNIA  
COAST COULD BRING ADDITIONAL SHOWERS FOR MONDAY AND TUESDAY. FOR  
MONDAY MORNING THROUGH TUESDAY NIGHT, NBM PROBABILITIES FOR  
ANOTHER 0.10 INCH OR MORE OF RAINFALL RANGE FROM 50 TO 70 PERCENT  
NEAR THE COAST TO 75 TO 85 PERCENT FOR THE MOUNTAINS WITH 10 TO  
40 PERCENT FOR THE DESERTS. PROBABILITIES OF 0.50 INCH OR MORE OF  
RAINFALL RANGE FROM 25 TO 35 PERCENT NEAR THE COAST TO 45 TO 55  
PERCENT FOR THE MOUNTAINS WITH A 10 TO 20 PERCENT FOR THE  
DESERTS. PROBABILITIES OF 1 INCH OR MORE RANGE FROM AROUND 10  
PERCENT NEAR THE COAST TO 25 TO 35 PERCENT FOR THE MOUNTAINS.  
 

 
 
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