963  
FPUS56 KSGX 170900  
ZFPSGX  
 
ZONE FORECAST PRODUCT FOR EXTREME SOUTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
200 AM PDT WED SEP 17 2025  
 
CAZ552-172145-  
ORANGE COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF HUNTINGTON BEACH, COSTA MESA,  
NEWPORT BEACH, LAGUNA BEACH, AND SAN CLEMENTE  
200 AM PDT WED SEP 17 2025  
   
TODAY...PARTLY CLOUDY THIS MORNING  
BECOMING MOSTLY CLOUDY.  
HIGHS 75 TO 78 AT THE BEACHES TO 79 TO 83 FARTHER INLAND AND NEAR  
HIGHER COASTAL TERRAIN. AREAS OF WINDS WEST TO 10 MPH...BECOMING  
10 TO 15 MPH THIS AFTERNOON.   
TONIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS AROUND 68. AREAS OF WINDS WEST TO  
10 MPH. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
THURSDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY. HIGHS AROUND  
80 AT THE BEACHES TO 81 TO 84 FARTHER INLAND AND NEAR HIGHER  
COASTAL TERRAIN. AREAS OF WINDS SOUTH 10 TO 15 MPH. CHANCE OF  
MEASURABLE PRECIPITATION 60 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS 66 TO 69. AREAS OF WINDS  
SOUTH 10 MPH. CHANCE OF MEASURABLE PRECIPITATION 30 PERCENT.   
FRIDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 74 TO 77 AT  
THE BEACHES TO 79 TO 82 FARTHER INLAND AND NEAR HIGHER COASTAL  
TERRAIN. LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON.  
CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS 64 TO 67.   
SATURDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 75 TO  
78 AT THE BEACHES TO 80 TO 83 FARTHER INLAND AND NEAR HIGHER  
COASTAL TERRAIN.   
SATURDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 64 TO 67.   
SUNDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 76 TO  
79 AT THE BEACHES TO 81 TO 85 FARTHER INLAND AND NEAR HIGHER  
COASTAL TERRAIN.   
SUNDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 65 TO  
68.   
MONDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 77 TO  
81 AT THE BEACHES TO 82 TO 87 FARTHER INLAND AND NEAR HIGHER  
COASTAL TERRAIN.   
MONDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 65 TO  
68.   
TUESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING MOSTLY SUNNY. HIGHS AROUND 80 AT THE BEACHES TO 82 TO  
86 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN.  
 
 
 
CAZ554-172145-  
ORANGE COUNTY INLAND AREAS-  
INCLUDING THE CITIES OF SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE,  
ORANGE, FULLERTON, AND MISSION VIEJO  
200 AM PDT WED SEP 17 2025  
   
TODAY...PARTLY CLOUDY THIS MORNING  
BECOMING MOSTLY CLOUDY.  
HIGHS AROUND 82 TOWARDS THE COAST TO 83 TO 86 FARTHER INLAND.  
AREAS OF WINDS WEST TO 10 MPH.   
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS  
OVERNIGHT. LOWS 66 TO 70. AREAS OF WINDS SOUTHWEST 10 MPH IN THE  
EVENING BECOMING LIGHT. CHANCE OF MEASURABLE PRECIPITATION  
50 PERCENT.   
THURSDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY. HIGHS 82 TO  
85. AREAS OF WINDS SOUTH 10 MPH. CHANCE OF MEASURABLE  
PRECIPITATION 60 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS 63 TO 69. AREAS OF WINDS  
SOUTH 10 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF MEASURABLE  
PRECIPITATION 40 PERCENT.   
FRIDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 81 TO 84.  
LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN THE AFTERNOON. CHANCE OF  
MEASURABLE PRECIPITATION 20 PERCENT.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS 63 TO 68.   
SATURDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING MOSTLY SUNNY. HIGHS 81 TO 84 TOWARDS THE COAST TO  
85 FARTHER INLAND.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 63 TO 67.   
SUNDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 82 TO  
85 TOWARDS THE COAST TO 87 FARTHER INLAND.   
SUNDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 65 TO  
70.   
MONDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 84 TO  
87 TOWARDS THE COAST TO 90 FARTHER INLAND.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 65 TO 69.   
TUESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING MOSTLY SUNNY. HIGHS 83 TO 86 TOWARDS THE COAST TO  
88 FARTHER INLAND.  
 
 
 
CAZ043-172145-  
SAN DIEGO COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,  
CHULA VISTA, NATIONAL CITY, AND SAN DIEGO  
200 AM PDT WED SEP 17 2025  
   
TODAY  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS 75 TO 80 NEAR THE COAST TO  
79 TO 83 INLAND. AREAS OF WINDS NORTHWEST TO 10 MPH BECOMING WEST  
WITH GUSTS TO 25 MPH THIS AFTERNOON. CHANCE OF MEASURABLE  
PRECIPITATION 20 PERCENT.   
TONIGHT...MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY CLOUDY.  
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
AROUND 70. AREAS OF WINDS NORTHWEST 10 MPH IN THE EVENING  
BECOMING LIGHT. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 76 TO 81 NEAR THE COAST TO 81 TO 85 INLAND.  
AREAS OF WINDS SOUTH TO 10 MPH. CHANCE OF MEASURABLE  
PRECIPITATION 50 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 65 TO 69. LIGHT WINDS. CHANCE OF  
MEASURABLE PRECIPITATION 20 PERCENT.   
FRIDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 74 TO 79 NEAR  
THE COAST TO 79 TO 83 INLAND. LIGHT WINDS BECOMING WEST 10 MPH IN  
THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
FRIDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 63 TO  
68.   
SATURDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING PARTLY CLOUDY. HIGHS 75 TO 80 NEAR THE COAST TO 80 TO  
84 INLAND.   
SATURDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS 63 TO 67.   
SUNDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 75 TO  
80 NEAR THE COAST TO 81 TO 86 INLAND.   
SUNDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 65 TO  
69.   
MONDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 77 TO  
82 NEAR THE COAST TO 83 TO 87 INLAND.   
MONDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 65 TO  
68.   
TUESDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 76 TO  
81 NEAR THE COAST TO 82 TO 86 INLAND.  
 
 
 
CAZ050-172145-  
SAN DIEGO COUNTY VALLEYS-  
INCLUDING THE CITIES OF ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA,  
SANTEE, AND POWAY  
200 AM PDT WED SEP 17 2025  
   
TODAY  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS 81 TO 86. AREAS OF WINDS WEST  
TO 10 MPH. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
TONIGHT...MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY CLOUDY.  
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
66 TO 69. AREAS OF WINDS NORTHWEST 10 MPH IN THE EVENING BECOMING  
LIGHT. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. SHOWERS  
LIKELY. HIGHS 82 TO 87. AREAS OF WINDS SOUTHEAST 10 MPH BECOMING  
SOUTHWEST IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION  
70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 63 TO 67. AREAS OF WINDS SOUTHWEST TO  
10 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF MEASURABLE  
PRECIPITATION 20 PERCENT.   
FRIDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 81 TO 86. LIGHT WINDS BECOMING WEST 10 MPH  
IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 62 TO 66.   
SATURDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 84 TO  
89.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 63 TO 67.   
SUNDAY  
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 85 TO  
90.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 65 TO 69.   
MONDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
MOSTLY SUNNY. HIGHS 88 TO 93.   
MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 65 TO 69.   
TUESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING MOSTLY SUNNY. HIGHS 85 TO 89 IN THE WESTERN VALLEYS TO  
87 TO 92 NEAR THE FOOTHILLS.  
 
 
 
CAZ048-172145-  
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-  
INCLUDING THE CITIES OF RIVERSIDE, SAN BERNARDINO, ONTARIO,  
MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, AND CORONA  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY THIS MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS  
86 TO 91. LIGHT WINDS BECOMING WEST 10 TO 15 MPH THIS AFTERNOON.  
CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS  
OVERNIGHT. LOWS 65 TO 69. AREAS OF WINDS WEST 10 MPH IN THE  
EVENING BECOMING LIGHT. CHANCE OF MEASURABLE PRECIPITATION  
40 PERCENT.   
THURSDAY  
A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY. HIGHS  
83 TO 88. AREAS OF WINDS SOUTH TO 10 MPH BECOMING SOUTHWEST WITH  
GUSTS TO 25 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE  
PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS 61 TO 67. AREAS OF WINDS  
SOUTHWEST 10 TO 15 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF  
MEASURABLE PRECIPITATION 50 PERCENT.   
FRIDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 84 TO 89. LIGHT WINDS BECOMING SOUTHWEST  
10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON. CHANCE OF  
MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 61 TO 66.   
SATURDAY  
PARTLY CLOUDY. HIGHS 86 TO 92.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 62 TO 67.   
SUNDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 88 TO 94.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 65 TO 70.   
MONDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 92 TO 98.   
MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 65 TO 70.   
TUESDAY  
MOSTLY SUNNY. HIGHS 90 TO 96.  
 
 
 
CAZ057-172145-  
SANTA ANA MOUNTAINS AND FOOTHILLS-  
200 AM PDT WED SEP 17 2025  
   
TODAY...PARTLY CLOUDY THIS MORNING  
BECOMING MOSTLY CLOUDY.  
HIGHS 80 TO 90. AREAS OF WINDS NORTH 10 MPH BECOMING SOUTHWEST  
THIS AFTERNOON.   
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS  
OVERNIGHT. LOWS 62 TO 68. AREAS OF WINDS NORTH 10 MPH BECOMING  
EAST OVERNIGHT. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. SHOWERS  
LIKELY. HIGHS 78 TO 87. AREAS OF WINDS SOUTH 10 TO 15 MPH. GUSTS  
TO 25 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION  
70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS 60 TO 68. AREAS OF WINDS  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE EVENING  
BECOMING LIGHT. CHANCE OF MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS 78 TO 87. LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN  
THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 30 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 59 TO 67.   
SATURDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 81 TO 91.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 60 TO 68.   
SUNDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 82 TO 92.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 63 TO 72.   
MONDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 85 TO 95.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 63 TO 72.   
TUESDAY  
MOSTLY SUNNY. HIGHS 84 TO 94.  
 
 
 
CAZ055-172145-  
SAN BERNARDINO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY,  
BIG BEAR LAKE, RUNNING SPRINGS, AND WRIGHTWOOD  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS 67 TO 77 ABOVE 6000 FEET TO  
77 TO 86 BELOW 6000 FEET. AREAS OF WINDS EAST 10 MPH BECOMING  
SOUTH THIS AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION  
20 PERCENT.   
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS  
OVERNIGHT. COOLER. LOWS 47 TO 57 ABOVE 6000 FEET TO 56 TO  
65 BELOW 6000 FEET. AREAS OF WINDS SOUTH 10 MPH. GUSTS TO 25 MPH  
IN THE EVENING. CHANCE OF MEASURABLE PRECIPITATION 40 PERCENT.   
THURSDAY  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. HIGHS  
58 TO 68 ABOVE 6000 FEET TO 68 TO 77 BELOW 6000 FEET. AREAS OF  
WINDS SOUTH 10 TO 20 MPH. GUSTS TO 25 MPH...BECOMING 30 MPH IN  
THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT...MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
COOLER. LOWS 42 TO 52 ABOVE 6000 FEET TO 52 TO 62 BELOW  
6000 FEET. AREAS OF WINDS SOUTH 10 TO 20 MPH. GUSTS TO 30 MPH IN  
THE EVENING. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
FRIDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 61 TO 71 ABOVE 6000 FEET TO 70 TO 79 BELOW  
6000 FEET. AREAS OF WINDS SOUTH 10 TO 15 MPH. GUSTS TO 25 MPH IN  
THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
FRIDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR OVERNIGHT. LOWS  
47 TO 57.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 64 TO 74 ABOVE 6000 FEET TO 73 TO 82 BELOW 6000 FEET.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 48 TO 58.   
SUNDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 65 TO 75 ABOVE 6000 FEET TO 75 TO 84 BELOW 6000 FEET.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 51 TO 61.   
MONDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 68 TO 78 ABOVE 6000 FEET TO 78 TO 87 BELOW 6000 FEET.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 52 TO 62.   
TUESDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 68 TO 78 ABOVE 6000 FEET TO 77 TO 87 BELOW 6000 FEET.  
 
 
 
CAZ056-172145-  
RIVERSIDE COUNTY MOUNTAINS-  
INCLUDING THE CITY OF IDYLLWILD-PINE COVE  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY THIS MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS  
76 TO 86. AREAS OF WINDS EAST 10 MPH. CHANCE OF MEASURABLE  
PRECIPITATION 20 PERCENT.   
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS  
OVERNIGHT. COOLER. LOWS 54 TO 64. AREAS OF WINDS WEST 10 MPH  
BECOMING SOUTH OVERNIGHT. CHANCE OF MEASURABLE PRECIPITATION  
40 PERCENT.   
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.  
HIGHS 69 TO 79. AREAS OF WINDS SOUTH 10 MPH BECOMING WEST IN THE  
AFTERNOON.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS. COOLER. LOWS 49 TO 59. AREAS  
OF WINDS WEST 10 MPH. CHANCE OF MEASURABLE PRECIPITATION  
50 PERCENT.   
FRIDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 71 TO 81. AREAS OF WINDS SOUTH TO 10 MPH  
BECOMING WEST 10 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE  
PRECIPITATION 50 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 49 TO 59.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 74 TO 84.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 51 TO 61.   
SUNDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 75 TO 85.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 53 TO 63.   
MONDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 78 TO 88.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 55 TO 65.   
TUESDAY  
MOSTLY SUNNY. HIGHS 79 TO 89.  
 
 
 
CAZ058-172145-  
SAN DIEGO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY THIS MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THIS  
AFTERNOON. HIGHS 77 TO 86. AREAS OF WINDS EAST 10 MPH. CHANCE OF  
MEASURABLE PRECIPITATION 30 PERCENT.   
TONIGHT...MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY CLOUDY.  
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. COOLER.  
LOWS 58 TO 66. AREAS OF WINDS WEST 10 MPH. CHANCE OF MEASURABLE  
PRECIPITATION 40 PERCENT.   
THURSDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE  
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 74 TO 82.  
AREAS OF WINDS SOUTH 10 TO 15 MPH. CHANCE OF MEASURABLE  
PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 54 TO 64. AREAS OF  
WINDS WEST 10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING. CHANCE  
OF MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 83. AREAS OF WINDS  
SOUTHWEST TO 10 MPH...BECOMING 10 TO 15 MPH IN THE AFTERNOON.  
CHANCE OF MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 55 TO 65.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 78 TO 86.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 57 TO 67.   
SUNDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 88.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 59 TO 69.   
MONDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 82 TO 90.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 59 TO 69.   
TUESDAY  
MOSTLY SUNNY. HIGHS 82 TO 90.  
 
 
 
CAZ060-172145-  
APPLE AND LUCERNE VALLEYS-  
INCLUDING THE CITIES OF VICTORVILLE, HESPERIA, APPLE VALLEY,  
AND LUCERNE VALLEY  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY. HIGHS 91 TO 96. AREAS OF WINDS WEST TO  
10 MPH BECOMING EAST 10 MPH THIS AFTERNOON.   
TONIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS OVERNIGHT. LOWS 65 TO 70. AREAS OF WINDS SOUTH  
10 TO 15 MPH WITH GUSTS TO 25 MPH. CHANCE OF MEASURABLE  
PRECIPITATION 20 PERCENT.   
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE  
AFTERNOON. HIGHS 80 TO 87. AREAS OF WINDS SOUTH 10 TO 20 MPH.  
GUSTS TO 25 MPH...BECOMING 30 MPH IN THE AFTERNOON. CHANCE OF  
MEASURABLE PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT...MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS 59 TO 66. AREAS OF WINDS SOUTH 10 TO 20 MPH. GUSTS TO 35 MPH  
IN THE EVENING. CHANCE OF MEASURABLE PRECIPITATION 50 PERCENT.   
FRIDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY CLOUDY.  
A CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 83 TO 89. AREAS OF  
WINDS SOUTH TO 10 MPH...BECOMING 10 TO 15 MPH WITH GUSTS TO  
30 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION  
50 PERCENT.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 58 TO 65.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 85 TO 91.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 60 TO 67.   
SUNDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 86 TO 93.   
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS 62 TO 69.   
MONDAY  
MOSTLY SUNNY. HIGHS 89 TO 94.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 63 TO 70.   
TUESDAY  
MOSTLY SUNNY. HIGHS 90 TO 97.  
 
 
 
CAZ065-172145-  
SAN GORGONIO PASS NEAR BANNING-  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS AROUND 93 THROUGH THE PASS TO  
97 TO 101 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST  
10 TO 15 MPH WITH GUSTS TO 25 MPH BECOMING SOUTHEAST THIS  
AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS OVERNIGHT. NOT AS WARM. LOWS AROUND 70 THROUGH  
THE PASS TO 80 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS  
WEST 10 TO 20 MPH. GUSTS TO 35 MPH...BECOMING 30 MPH OVERNIGHT.  
CHANCE OF MEASURABLE PRECIPITATION 30 PERCENT.   
THURSDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE  
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS AROUND  
86 THROUGH THE PASS TO 89 TO 92 IN THE NORTHERN COACHELLA VALLEY.  
AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO 30 MPH...BECOMING  
25 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION  
70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS AROUND 68 THROUGH THE  
PASS TO 76 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST  
15 TO 25 MPH WITH GUSTS TO 40 MPH...BECOMING 10 TO 15 MPH WITH  
GUSTS TO 30 MPH OVERNIGHT. CHANCE OF MEASURABLE PRECIPITATION  
50 PERCENT.   
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 88 THROUGH THE PASS  
TO 91 TO 95 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST  
10 TO 15 MPH. GUSTS TO 30 MPH...BECOMING 25 MPH IN THE AFTERNOON.  
CHANCE OF MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 68 TO 77.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 91 THROUGH THE PASS TO 95 TO 98 IN THE NORTHERN  
COACHELLA VALLEY.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 70 TO 79.   
SUNDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 93 THROUGH THE PASS TO 96 TO 99 IN THE NORTHERN  
COACHELLA VALLEY.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 72 TO 81.   
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 96 THROUGH THE PASS TO 98 TO  
102 IN THE NORTHERN COACHELLA VALLEY.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 73 TO 82.   
TUESDAY  
MOSTLY SUNNY. HIGHS AROUND 96 THROUGH THE PASS TO  
99 TO 103 IN THE NORTHERN COACHELLA VALLEY.  
 
 
 
CAZ061-172145-  
COACHELLA VALLEY-  
INCLUDING THE CITIES OF INDIO, PALM SPRINGS, CATHEDRAL CITY,  
PALM DESERT, PALM DESERT COUNTRY, LA QUINTA, AND COACHELLA  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY THIS MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS  
AROUND 100. LIGHT WINDS BECOMING SOUTHEAST 10 MPH THIS AFTERNOON.  
CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS OVERNIGHT. LOWS AROUND 80. AREAS OF WINDS EAST  
10 MPH BECOMING NORTH OVERNIGHT. CHANCE OF MEASURABLE  
PRECIPITATION 30 PERCENT.   
THURSDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE  
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 91 TO 95.  
LIGHT WINDS BECOMING EAST 10 MPH IN THE AFTERNOON. CHANCE OF  
MEASURABLE PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR  
OVERNIGHT. LOWS 72 TO 77. AREAS OF WINDS NORTHWEST 10 MPH. CHANCE  
OF MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 94 TO 97. LIGHT WINDS BECOMING SOUTHEAST  
10 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION  
40 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 73 TO 78.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 100.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 74 TO 79.   
SUNDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 99 TO 102.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 76 TO 80.   
MONDAY  
MOSTLY SUNNY. HIGHS 100 TO 103.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 77 TO 82.   
TUESDAY  
MOSTLY SUNNY. HOT. HIGHS 102 TO 105.  
 
 
 
CAZ062-172145-  
SAN DIEGO COUNTY DESERTS-  
INCLUDING THE CITY OF BORREGO SPRINGS  
200 AM PDT WED SEP 17 2025  
   
TODAY  
PARTLY CLOUDY THIS MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS  
96 TO 100. LIGHT WINDS BECOMING SOUTHEAST 10 MPH THIS AFTERNOON.  
CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.   
TONIGHT...MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY CLOUDY.  
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
77 TO 81. AREAS OF WINDS WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
CHANCE OF MEASURABLE PRECIPITATION 40 PERCENT.   
THURSDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE  
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 91 TO 95.  
AREAS OF WINDS WEST TO 10 MPH BECOMING SOUTHEAST 10 MPH IN THE  
AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR  
OVERNIGHT. LOWS 72 TO 80. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS  
TO 25 MPH IN THE EVENING. CHANCE OF MEASURABLE PRECIPITATION  
30 PERCENT.   
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 94 TO 98. AREAS OF WINDS  
WEST 10 MPH BECOMING SOUTHEAST IN THE AFTERNOON. CHANCE OF  
MEASURABLE PRECIPITATION 40 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 72 TO 81.   
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 96 TO 100.   
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 74 TO 83.   
SUNDAY  
PARTLY CLOUDY. HIGHS 98 TO 102.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 76 TO 84.   
MONDAY  
MOSTLY SUNNY. HIGHS 100 TO 103.   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 77 TO 85.   
TUESDAY  
MOSTLY SUNNY. HOT. HIGHS 101 TO 105.  
 
 
 
17  
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