631  
FPUS56 KSGX 172101  
ZFPSGX  
 
ZONE FORECAST PRODUCT FOR EXTREME SOUTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
100 PM PST WED DEC 17 2025  
 
CAZ552-181100-  
ORANGE COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF HUNTINGTON BEACH, COSTA MESA,  
NEWPORT BEACH, LAGUNA BEACH, AND SAN CLEMENTE  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOCAL VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS 51 TO 54. AREAS  
OF WINDS SOUTH 10 MPH THIS EVENING BECOMING LIGHT.   
THURSDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS  
AT TIMES IN THE MORNING. HIGHS 70 TO 73 AT THE BEACHES TO 74 TO  
77 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS.   
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 52 TO 55. LIGHT WINDS.   
FRIDAY  
PARTLY CLOUDY. HIGHS AROUND 68 AT THE BEACHES TO 71 TO  
74 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 53. LIGHT WINDS.   
SATURDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY  
CLOUDY. HIGHS AROUND 65 AT THE BEACHES TO 69 FARTHER INLAND AND  
NEAR HIGHER COASTAL TERRAIN.   
SATURDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS AROUND 53.   
SUNDAY...CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY. PATCHY  
FOG IN THE MORNING. HIGHS AROUND 66 AT THE BEACHES TO 70 FARTHER  
INLAND AND NEAR HIGHER COASTAL TERRAIN.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS 52 TO 55.   
MONDAY...CLOUDY IN THE MORNING  
BECOMING MOSTLY CLOUDY. PATCHY  
FOG IN THE MORNING. HIGHS 65 TO 70.   
MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. LOWS 51 TO 54.   
TUESDAY  
CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 64 TO 68.   
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 54.   
WEDNESDAY  
SHOWERS LIKELY. HIGHS 64 TO 68.  
 
 
 
CAZ554-181100-  
ORANGE COUNTY INLAND AREAS-  
INCLUDING THE CITIES OF SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE,  
ORANGE, FULLERTON, AND MISSION VIEJO  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOCAL VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS 51 TO 54. LIGHT  
WINDS BECOMING EAST TO 10 MPH OVERNIGHT.   
THURSDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS  
AT TIMES IN THE MORNING. HIGHS AROUND 76 TOWARDS THE COAST TO  
80 FARTHER INLAND. AREAS OF WINDS NORTH TO 10 MPH IN THE MORNING  
BECOMING LIGHT.   
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 53 TO 56. LIGHT WINDS.   
FRIDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS AROUND 73 TOWARDS THE COAST TO 75 TO 78 FARTHER INLAND.  
LIGHT WINDS.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS AROUND 52. LIGHT WINDS.   
SATURDAY  
PARTLY CLOUDY. HIGHS 70 TO 73.   
SATURDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS  
AROUND 53.   
SUNDAY...CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY. PATCHY  
FOG IN THE MORNING. HIGHS 69 TO 72 TOWARDS THE COAST TO  
73 FARTHER INLAND.   
SUNDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS AROUND  
52.   
MONDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS AROUND  
71.   
MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. LOWS 50 TO 53.   
TUESDAY  
CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 68.   
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
52 TO 55.   
WEDNESDAY  
SHOWERS LIKELY. HIGHS 66 TO 69.  
 
 
 
CAZ043-181100-  
SAN DIEGO COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,  
CHULA VISTA, NATIONAL CITY, AND SAN DIEGO  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG. LOCAL VISIBILITY ONE  
QUARTER MILE OR LESS AT TIMES. LOWS 49 TO 53. LIGHT WINDS.   
THURSDAY  
MOSTLY SUNNY. HIGHS 70 TO 74 NEAR THE COAST TO 76 TO  
79 INLAND. LIGHT WINDS.   
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 52 TO 56. LIGHT WINDS.   
FRIDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 69 TO 73 NEAR THE COAST TO 74 TO 77 INLAND. LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 49 TO 54. LIGHT WINDS.   
SATURDAY  
PARTLY CLOUDY. HIGHS 64 TO 69 NEAR THE COAST TO 69 TO  
72 INLAND.   
SATURDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS 51 TO 54.   
SUNDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
PARTLY CLOUDY. HIGHS 66 TO 70 NEAR THE COAST TO 70 TO 73 INLAND.   
SUNDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 50 TO  
54.   
MONDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
PARTLY CLOUDY. HIGHS 65 TO 69 NEAR THE COAST TO 69 TO 72 INLAND.   
MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. LOWS 49 TO 54.   
TUESDAY  
CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 65 TO 70.   
TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS. LOWS 51 TO 55.   
WEDNESDAY  
CLOUDY WITH A CHANCE OF SHOWERS IN THE MORNING, THEN  
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE AFTERNOON. HIGHS 66 TO  
71.  
 
 
 
CAZ050-181100-  
SAN DIEGO COUNTY VALLEYS-  
INCLUDING THE CITIES OF ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA,  
SANTEE, AND POWAY  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLEAR. LOWS 45 TO 53 IN WIND SHELTERED AREAS TO  
50 TO 58 IN WARMER LOCATIONS. LIGHT WINDS BECOMING EAST TO 10 MPH  
OVERNIGHT.   
THURSDAY  
MOSTLY SUNNY. WARMER. HIGHS 81 TO 86. AREAS OF WINDS  
NORTHEAST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE MORNING  
BECOMING LIGHT.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 48 TO 56 IN WIND SHELTERED  
AREAS TO 53 TO 60 IN WARMER LOCATIONS. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 76 TO 81. LIGHT WINDS BECOMING  
SOUTHWEST 10 MPH IN THE AFTERNOON.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 44 TO 52 IN WIND SHELTERED AREAS TO 50 TO 55 IN  
WARMER LOCATIONS. LIGHT WINDS.   
SATURDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 70 TO 74 IN THE WESTERN VALLEYS TO 72 TO 77 NEAR THE  
FOOTHILLS.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 49 TO 56.   
SUNDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 73 TO  
78.   
SUNDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 49 TO  
54.   
MONDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 71 TO  
76.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 49 TO 54.   
TUESDAY  
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 67 TO 72.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 50 TO 55.   
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS 67 TO  
72.  
 
 
 
CAZ048-181100-  
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-  
INCLUDING THE CITIES OF RIVERSIDE, SAN BERNARDINO, ONTARIO,  
MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, AND CORONA  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLEAR. LOWS 46 TO 50 IN WIND SHELTERED AREAS TO  
51 TO 58 IN WARMER LOCATIONS. AREAS OF WINDS SOUTHEAST 10 MPH  
BECOMING NORTH OVERNIGHT.   
THURSDAY  
MOSTLY SUNNY. HIGHS 82 TO 86. AREAS OF WINDS EAST TO  
10 MPH IN THE MORNING BECOMING LIGHT.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 49 TO 52 IN WIND SHELTERED  
AREAS TO 53 TO 59 IN WARMER LOCATIONS. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 77 TO 81. LIGHT WINDS.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 45 TO 49 IN WIND SHELTERED  
AREAS TO 49 TO 56 IN WARMER LOCATIONS. LIGHT WINDS.   
SATURDAY  
MOSTLY SUNNY. HIGHS 73 TO 77.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 47 TO 54.   
SUNDAY  
PARTLY CLOUDY. HIGHS 73 TO 77.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 44 TO 52.   
MONDAY  
PARTLY CLOUDY. HIGHS 72 TO 77.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 52.   
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 67 TO 72.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
47 TO 53.   
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 64 TO 68.  
 
 
 
CAZ057-181100-  
SANTA ANA MOUNTAINS AND FOOTHILLS-  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLEAR. LOWS 48 TO 58. AREAS OF WINDS NORTHEAST  
TO 10 MPH.   
THURSDAY  
MOSTLY SUNNY. WARMER. HIGHS 77 TO 83. AREAS OF WINDS  
NORTH 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE MORNING BECOMING  
LIGHT.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 50 TO 60. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 71 TO 77. LIGHT WINDS.   
FRIDAY NIGHT  
MOSTLY CLEAR. COOLER. LOWS 45 TO 55. LIGHT WINDS.   
SATURDAY  
MOSTLY SUNNY. HIGHS 66 TO 73.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 46 TO 56.   
SUNDAY  
PARTLY CLOUDY. HIGHS 67 TO 74.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55.   
MONDAY  
PARTLY CLOUDY. HIGHS 65 TO 72.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 44 TO 54.   
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 61 TO 68.   
TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS. LOWS 46 TO 56.   
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 60 TO 67.  
 
 
 
CAZ055-181100-  
SAN BERNARDINO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY,  
BIG BEAR LAKE, RUNNING SPRINGS, AND WRIGHTWOOD  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
CLEAR, COLDER. LOWS 34 TO 44 ABOVE 6000 FEET TO 45 TO  
54 BELOW 6000 FEET. AREAS OF WINDS NORTHWEST 20 TO 30 MPH WITH  
GUSTS TO 45 MPH BECOMING NORTHEAST 10 TO 15 MPH WITH GUSTS TO  
25 MPH OVERNIGHT.   
THURSDAY  
MOSTLY SUNNY. HIGHS 60 TO 69 ABOVE 6000 FEET TO 67 TO  
75 BELOW 6000 FEET. AREAS OF WINDS NORTH TO 10 MPH IN THE MORNING  
BECOMING LIGHT.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 37 TO 47 ABOVE 6000 FEET TO  
47 TO 56 BELOW 6000 FEET. LIGHT WINDS BECOMING WEST 10 MPH  
OVERNIGHT.   
FRIDAY  
MOSTLY SUNNY. HIGHS 58 TO 67 ABOVE 6000 FEET TO 64 TO  
73 BELOW 6000 FEET. AREAS OF WINDS WEST 10 MPH.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 35 TO 45 ABOVE 6000 FEET TO  
45 TO 54 BELOW 6000 FEET. AREAS OF WINDS WEST 10 TO 15 MPH.   
SATURDAY  
MOSTLY SUNNY. HIGHS 55 TO 64 ABOVE 6000 FEET TO 61 TO  
70 BELOW 6000 FEET.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 37 TO 47.   
SUNDAY  
PARTLY CLOUDY. HIGHS 53 TO 62 ABOVE 6000 FEET TO 60 TO  
69 BELOW 6000 FEET.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 35 TO 45.   
MONDAY  
PARTLY CLOUDY. HIGHS 52 TO 61 ABOVE 6000 FEET TO 60 TO  
68 BELOW 6000 FEET.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 34 TO 44.   
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 48 TO 56 ABOVE 6000 FEET TO 54 TO 63 BELOW  
6000 FEET. SNOW LEVEL ABOVE 8000 FEET IN THE AFTERNOON.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 32 TO 42. SNOW  
LEVEL ABOVE 8000 FEET.   
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 43 TO 51 ABOVE  
6000 FEET TO 50 TO 58 BELOW 6000 FEET. SNOW LEVEL ABOVE  
8000 FEET.  
 
 
 
CAZ056-181100-  
RIVERSIDE COUNTY MOUNTAINS-  
INCLUDING THE CITY OF IDYLLWILD-PINE COVE  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
CLEAR. LOWS 44 TO 54. AREAS OF WINDS NORTH 15 TO  
25 MPH WITH GUSTS TO 35 MPH BECOMING EAST 10 TO 20 MPH WITH GUSTS  
TO 30 MPH OVERNIGHT.   
THURSDAY  
MOSTLY SUNNY. HIGHS 67 TO 77. AREAS OF WINDS EAST  
10 TO 15 MPH WITH GUSTS TO 25 MPH BECOMING SOUTHEAST IN THE  
AFTERNOON.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 45 TO 55. LIGHT WINDS  
BECOMING WEST TO 10 MPH OVERNIGHT.   
FRIDAY  
MOSTLY SUNNY. HIGHS 66 TO 76. AREAS OF WINDS WEST  
10 MPH.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 43 TO 53. AREAS OF WINDS WEST 10 TO 15 MPH.   
SATURDAY  
MOSTLY SUNNY. HIGHS 63 TO 73.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 42 TO 52.   
SUNDAY  
PARTLY CLOUDY. HIGHS 63 TO 73.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 40 TO 50.   
MONDAY  
PARTLY CLOUDY. HIGHS 62 TO 72.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 38 TO 48.   
TUESDAY  
PARTLY CLOUDY. HIGHS 57 TO 67.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 37 TO 47. SNOW  
LEVEL ABOVE 8000 FEET.   
WEDNESDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS. HIGHS 52 TO 62. SNOW LEVEL ABOVE  
8000 FEET.  
 
 
 
CAZ058-181100-  
SAN DIEGO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
CLEAR. LOWS 46 TO 56. AREAS OF WINDS NORTH 10 TO  
15 MPH WITH GUSTS TO 30 MPH BECOMING NORTHEAST 15 TO 25 MPH WITH  
GUSTS TO 40 MPH OVERNIGHT.   
THURSDAY  
MOSTLY SUNNY. HIGHS 70 TO 80. AREAS OF WINDS EAST  
15 TO 25 MPH WITH GUSTS TO 40 MPH...BECOMING 10 TO 15 MPH WITH  
GUSTS TO 25 MPH IN THE AFTERNOON.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 47 TO 57. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 69 TO 78. AREAS OF WINDS WEST  
10 MPH.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 45 TO 55. AREAS OF WINDS WEST 10 MPH.   
SATURDAY  
MOSTLY SUNNY. HIGHS 66 TO 74.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55.   
SUNDAY  
PARTLY CLOUDY. HIGHS 67 TO 75.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 42 TO 52.   
MONDAY  
PARTLY CLOUDY. HIGHS 65 TO 73.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 42 TO 52.   
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 60 TO 68.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 42 TO 51.   
WEDNESDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS. HIGHS 56 TO 65.  
 
 
 
CAZ060-181100-  
APPLE AND LUCERNE VALLEYS-  
INCLUDING THE CITIES OF VICTORVILLE, HESPERIA, APPLE VALLEY,  
AND LUCERNE VALLEY  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLEAR. LOWS 41 TO 49. AREAS OF WINDS WEST 10 TO  
20 MPH. GUSTS TO 35 MPH THIS EVENING.   
THURSDAY  
MOSTLY SUNNY. HIGHS 71 TO 76. LIGHT WINDS.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 44 TO 51. LIGHT WINDS  
BECOMING SOUTHWEST 10 MPH OVERNIGHT.   
FRIDAY  
MOSTLY SUNNY. HIGHS 75 TO 79. AREAS OF WINDS SOUTHWEST  
10 TO 15 MPH.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 47 TO 53. AREAS OF WINDS  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 71 TO 77.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 46 TO 52.   
SUNDAY  
PARTLY CLOUDY. HIGHS 71 TO 75.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 43 TO 49.   
MONDAY  
PARTLY CLOUDY. HIGHS 69 TO 73.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 41 TO 48.   
TUESDAY  
PARTLY CLOUDY. HIGHS 65 TO 71.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 42 TO 48.   
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS 59 TO 66.  
 
 
 
CAZ065-181100-  
SAN GORGONIO PASS NEAR BANNING-  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
CLEAR. LOWS 55 TO 58 THROUGH THE PASS TO 58 TO 63 IN  
THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS NORTHEAST 10 TO  
15 MPH. GUSTS TO 30 MPH...BECOMING 25 MPH OVERNIGHT.   
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 83. AREAS OF WINDS  
SOUTHEAST TO 10 MPH.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 55 TO 59 THROUGH THE PASS TO  
59 TO 64 IN THE NORTHERN COACHELLA VALLEY. LIGHT WINDS BECOMING  
NORTHWEST 10 MPH OVERNIGHT.   
FRIDAY  
MOSTLY SUNNY. HIGHS 79 TO 82 THROUGH THE PASS TO 83 IN  
THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST 10 TO 15 MPH.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 55 TO 58 THROUGH THE PASS TO 59 TO 64 IN THE NORTHERN  
COACHELLA VALLEY. AREAS OF WINDS WEST 10 TO 15 MPH WITH GUSTS TO  
25 MPH.   
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 78 THROUGH THE PASS TO  
79 TO 82 IN THE NORTHERN COACHELLA VALLEY.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 54 TO 64.   
SUNDAY  
PARTLY CLOUDY. HIGHS 76 TO 79 THROUGH THE PASS TO 80 IN  
THE NORTHERN COACHELLA VALLEY.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 52 TO 62.   
MONDAY  
PARTLY CLOUDY. HIGHS 75 TO 78 THROUGH THE PASS TO 79 IN  
THE NORTHERN COACHELLA VALLEY.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 51 TO 61.   
TUESDAY  
PARTLY CLOUDY. HIGHS 70 TO 73 THROUGH THE PASS TO  
74 TO 77 IN THE NORTHERN COACHELLA VALLEY.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 50 TO 59.   
WEDNESDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
67 THROUGH THE PASS TO 70 IN THE NORTHERN COACHELLA VALLEY.  
 
 
 
CAZ061-181100-  
COACHELLA VALLEY-  
INCLUDING THE CITIES OF INDIO, PALM SPRINGS, CATHEDRAL CITY,  
PALM DESERT, PALM DESERT COUNTRY, LA QUINTA, AND COACHELLA  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
CLEAR. LOWS 53 TO 59. LIGHT WINDS.   
THURSDAY  
MOSTLY SUNNY. HIGHS 81 TO 84. LIGHT WINDS.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 53 TO 60. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 79 TO 84. LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 53 TO 60. AREAS OF WINDS  
NORTHWEST 10 MPH.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 77 TO 82.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 52 TO 59.   
SUNDAY  
PARTLY CLOUDY. HIGHS 77 TO 82.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 50 TO 57.   
MONDAY  
PARTLY CLOUDY. HIGHS AROUND 79.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 50 TO 57.   
TUESDAY  
PARTLY CLOUDY. HIGHS 74 TO 77.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
OVERNIGHT. LOWS 50 TO 55.   
WEDNESDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
71.  
 
 
 
CAZ062-181100-  
SAN DIEGO COUNTY DESERTS-  
INCLUDING THE CITY OF BORREGO SPRINGS  
100 PM PST WED DEC 17 2025  
   
TONIGHT  
CLEAR. LOWS 53 TO 62. LIGHT WINDS.   
THURSDAY  
MOSTLY SUNNY. HIGHS 81 TO 85. LIGHT WINDS.   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 54 TO 62. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 80 TO 85. LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 54 TO 63. AREAS OF WINDS WEST  
10 MPH.   
SATURDAY  
MOSTLY SUNNY. HIGHS 78 TO 83.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 54 TO 62.   
SUNDAY  
PARTLY CLOUDY. HIGHS 78 TO 82.   
SUNDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 52 TO 60.   
MONDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 78 TO 82.   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 50 TO 59.   
TUESDAY  
PARTLY CLOUDY. HIGHS 74 TO 77.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
OVERNIGHT. LOWS 50 TO 58.   
WEDNESDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS 70 TO  
73.  
 
 
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