296  
FPUS56 KSGX 182101  
ZFPSGX  
 
ZONE FORECAST PRODUCT FOR EXTREME SOUTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
101 PM PST THU DEC 18 2025  
 
CAZ552-191100-  
ORANGE COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF HUNTINGTON BEACH, COSTA MESA,  
NEWPORT BEACH, LAGUNA BEACH, AND SAN CLEMENTE  
101 PM PST THU DEC 18 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOCAL VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS 52 TO 55. LIGHT  
WINDS.   
FRIDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. LOCAL  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES IN THE MORNING.  
HIGHS AROUND 67 AT THE BEACHES TO 69 TO 72 FARTHER INLAND AND  
NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS AROUND  
52. LIGHT WINDS.   
SATURDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING PARTLY CLOUDY. HIGHS AROUND 65 AT THE BEACHES TO  
69 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS.   
SATURDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS AROUND 53. LIGHT WINDS.   
SUNDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
PARTLY CLOUDY. 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. LOWS 51 TO 54.   
MONDAY...CLOUDY IN THE MORNING  
BECOMING MOSTLY CLOUDY. HIGHS  
65 TO 70.   
MONDAY NIGHT  
CLEAR. LOWS 51 TO 54.   
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS AROUND 64 AT THE BEACHES TO 65 TO 68 FARTHER INLAND AND  
NEAR HIGHER COASTAL TERRAIN.   
TUESDAY NIGHT  
SHOWERS. LOWS AROUND 55.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
62 TO 65.   
WEDNESDAY NIGHT  
SHOWERS. LOWS AROUND 55.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 63 TO 66.  
 
 
 
CAZ554-191100-  
ORANGE COUNTY INLAND AREAS-  
INCLUDING THE CITIES OF SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE,  
ORANGE, FULLERTON, AND MISSION VIEJO  
101 PM PST THU DEC 18 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOCAL VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS 52 TO 55. LIGHT  
WINDS.   
FRIDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS AT TIMES  
IN THE MORNING. HIGHS 72 TO 75. LIGHT WINDS.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 50 TO 53. LIGHT WINDS.   
SATURDAY  
PARTLY CLOUDY. HIGHS AROUND 69 TOWARDS THE COAST TO  
70 TO 73 FARTHER INLAND. LIGHT WINDS.   
SATURDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 51 TO  
54. LIGHT WINDS.   
SUNDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
PARTLY CLOUDY. HIGHS 69 TO 72 TOWARDS THE COAST TO 72 FARTHER  
INLAND.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. LOWS 50 TO 53.   
MONDAY  
MOSTLY CLOUDY. HIGHS AROUND 69 TOWARDS THE COAST TO  
70 TO 73 FARTHER INLAND.   
MONDAY NIGHT  
CLEAR. LOWS 50 TO 53.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS AROUND 67.   
TUESDAY NIGHT  
SHOWERS LIKELY IN THE EVENING, THEN SHOWERS  
OVERNIGHT. LOCALLY HEAVY RAINFALL POSSIBLE OVERNIGHT. LOWS AROUND  
54.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
63 TO 66.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 52 TO 55.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 64 TO 67.  
 
 
 
CAZ043-191100-  
SAN DIEGO COUNTY COASTAL AREAS-  
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,  
CHULA VISTA, NATIONAL CITY, AND SAN DIEGO  
101 PM PST THU DEC 18 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOCAL VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS 51 TO 55. LIGHT  
WINDS.   
FRIDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS AT TIMES  
IN THE MORNING. HIGHS 66 TO 71 NEAR THE COAST TO 71 TO 75 INLAND.  
LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 48 TO  
53. LIGHT WINDS.   
SATURDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
 
BECOMING PARTLY CLOUDY. HIGHS 64 TO 68 NEAR THE COAST TO  
70 INLAND. LIGHT WINDS.   
SATURDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 50 TO  
54. LIGHT WINDS.   
SUNDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING  
BECOMING  
PARTLY CLOUDY. HIGHS 66 TO 70 NEAR THE COAST TO 70 TO 74 INLAND.   
SUNDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLOUDY. LOWS 50 TO 54.   
MONDAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 65 TO 69 NEAR THE COAST TO 69 TO 72 INLAND.   
MONDAY NIGHT  
CLEAR. LOWS 49 TO 54.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 65 TO 69.   
TUESDAY NIGHT  
SHOWERS LIKELY. LOWS 52 TO 57.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
64 TO 68.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 53 TO 57.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 64 TO 68.  
 
 
 
CAZ050-191100-  
SAN DIEGO COUNTY VALLEYS-  
INCLUDING THE CITIES OF ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA,  
SANTEE, AND POWAY  
101 PM PST THU DEC 18 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOCAL VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS 47 TO 55 IN  
WIND SHELTERED AREAS TO 52 TO 59 IN WARMER LOCATIONS. LIGHT  
WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 74 TO 79. LIGHT WINDS BECOMING WEST  
TO 10 MPH IN THE AFTERNOON.   
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING  
BECOMING PARTLY  
CLOUDY. LOWS 43 TO 51 IN WIND SHELTERED AREAS TO 49 TO 56 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. LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN THE  
AFTERNOON.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 52 IN WIND SHELTERED  
AREAS TO 50 TO 56 IN WARMER LOCATIONS. LIGHT WINDS.   
SUNDAY  
PARTLY CLOUDY. HIGHS 73 TO 78.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 48 TO 54.   
MONDAY  
PARTLY CLOUDY. HIGHS 70 TO 74 IN THE WESTERN VALLEYS TO  
72 TO 77 NEAR THE FOOTHILLS.   
MONDAY NIGHT  
CLEAR. LOWS 49 TO 54.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 67 TO 72.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
EVENING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY OVERNIGHT. LOWS  
51 TO 56.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
65 TO 69 IN THE WESTERN VALLEYS TO 61 TO 66 NEAR THE FOOTHILLS.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 51 TO 56.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 65 TO 69 IN THE WESTERN  
VALLEYS TO 61 TO 66 NEAR THE FOOTHILLS.  
 
 
 
CAZ048-191100-  
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-  
INCLUDING THE CITIES OF RIVERSIDE, SAN BERNARDINO, ONTARIO,  
MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, AND CORONA  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS AROUND 50 IN WIND SHELTERED AREAS TO 52 TO 59 IN WARMER  
LOCATIONS. LIGHT WINDS.   
FRIDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 75 TO 79. LIGHT WINDS BECOMING SOUTHWEST TO 10 MPH IN THE  
AFTERNOON.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 45 TO 48 IN WIND SHELTERED  
AREAS TO 48 TO 56 IN WARMER LOCATIONS. LIGHT WINDS.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 73 TO 78. LIGHT WINDS.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50 IN WIND SHELTERED  
AREAS TO 50 TO 56 IN WARMER LOCATIONS. LIGHT WINDS.   
SUNDAY  
PARTLY CLOUDY. HIGHS 73 TO 77.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 53.   
MONDAY  
PARTLY CLOUDY. HIGHS 73 TO 78.   
MONDAY NIGHT  
CLEAR. LOWS 45 TO 52.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 67 TO 71.   
TUESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY OVERNIGHT. LOWS 47 TO 54.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
61 TO 65.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 47 TO 53.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 62 TO 66.  
 
 
 
CAZ057-191100-  
SANTA ANA MOUNTAINS AND FOOTHILLS-  
101 PM PST THU DEC 18 2025  
   
TONIGHT  
PARTLY CLOUDY. LOWS 48 TO 58. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 69 TO 76. LIGHT WINDS BECOMING  
SOUTHWEST TO 10 MPH IN THE AFTERNOON.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 45 TO 55. LIGHT WINDS.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 66 TO 73. LIGHT WINDS.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 46 TO 56. LIGHT WINDS.   
SUNDAY  
PARTLY CLOUDY. HIGHS 67 TO 74.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55.   
MONDAY  
PARTLY CLOUDY. HIGHS 66 TO 73.   
MONDAY NIGHT  
CLEAR. LOWS 45 TO 54.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 61 TO 68.   
TUESDAY NIGHT  
SHOWERS LIKELY. LOWS 47 TO 57.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
59 TO 65.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 47 TO 57.   
CHRISTMAS DAY  
SHOWERS LIKELY. LOCALLY HEAVY RAINFALL POSSIBLE  
IN THE AFTERNOON. HIGHS 59 TO 65.  
 
 
 
CAZ055-191100-  
SAN BERNARDINO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY,  
BIG BEAR LAKE, RUNNING SPRINGS, AND WRIGHTWOOD  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 36 TO 46 ABOVE 6000 FEET TO 46 TO 56 BELOW 6000 FEET. AREAS  
OF WINDS WEST 10 TO 15 MPH. GUSTS TO 25 MPH...BECOMING 30 MPH  
OVERNIGHT.   
FRIDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 58 TO 66 ABOVE 6000 FEET TO 65 TO 72 BELOW 6000 FEET. AREAS  
OF WINDS WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 35 TO 45 ABOVE 6000 FEET TO  
45 TO 53 BELOW 6000 FEET. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS  
TO 30 MPH...BECOMING 25 MPH OVERNIGHT.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 55 TO 65 ABOVE 6000 FEET TO 62 TO 70 BELOW 6000 FEET. AREAS  
OF WINDS WEST 10 TO 15 MPH. GUSTS TO 25 MPH IN THE MORNING.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 34 TO 44 ABOVE 6000 FEET TO  
44 TO 53 BELOW 6000 FEET. LIGHT WINDS BECOMING WEST 10 MPH  
OVERNIGHT.   
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 53 TO 62 ABOVE 6000 FEET TO 60 TO  
68 BELOW 6000 FEET.   
MONDAY NIGHT  
CLEAR. LOWS 34 TO 44.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 47 TO 55 ABOVE  
6000 FEET TO 54 TO 62 BELOW 6000 FEET. SNOW LEVEL ABOVE 8000 FEET  
IN THE AFTERNOON.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
EVENING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY OVERNIGHT. LOWS  
33 TO 43. SNOW LEVEL ABOVE 8000 FEET.   
WEDNESDAY  
SHOWERS LIKELY IN THE MORNING, THEN SHOWERS IN THE  
AFTERNOON. LOCALLY HEAVY RAINFALL POSSIBLE IN THE AFTERNOON.  
HIGHS 41 TO 49 ABOVE 6000 FEET TO 48 TO 55 BELOW 6000 FEET. SNOW  
LEVEL ABOVE 8000 FEET.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 32 TO 42. SNOW LEVEL ABOVE  
8000 FEET.   
CHRISTMAS DAY  
RAIN AND SNOW SHOWERS LIKELY. HIGHS 40 TO  
48 ABOVE 6000 FEET TO 47 TO 55 BELOW 6000 FEET. SNOW LEVEL  
7500 FEET.  
 
 
 
CAZ056-191100-  
RIVERSIDE COUNTY MOUNTAINS-  
INCLUDING THE CITY OF IDYLLWILD-PINE COVE  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 44 TO 54. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO 30 MPH  
OVERNIGHT.   
FRIDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 66 TO 76. AREAS OF WINDS WEST 10 TO 15 MPH WITH GUSTS TO  
30 MPH.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 43 TO 53. AREAS OF WINDS WEST 10 TO 20 MPH. GUSTS TO  
35 MPH IN THE EVENING.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 64 TO 74. AREAS OF WINDS WEST 10 TO 15 MPH.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 42 TO 52. AREAS OF WINDS  
WEST 10 MPH.   
SUNDAY  
PARTLY CLOUDY. HIGHS 62 TO 72.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 40 TO 50.   
MONDAY  
PARTLY CLOUDY. HIGHS 63 TO 73.   
MONDAY NIGHT  
CLEAR. LOWS 39 TO 49.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 56 TO 66. SNOW LEVEL  
ABOVE 8000 FEET IN THE AFTERNOON.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
EVENING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY OVERNIGHT. LOWS  
38 TO 48. SNOW LEVEL ABOVE 8000 FEET.   
WEDNESDAY  
SHOWERS. HIGHS 49 TO 59. SNOW LEVEL ABOVE 8000 FEET.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 37 TO 47. SNOW LEVEL ABOVE  
8000 FEET.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 49 TO 59. SNOW LEVEL ABOVE  
8000 FEET.  
 
 
 
CAZ058-191100-  
SAN DIEGO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 46 TO 56. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO 25 MPH  
OVERNIGHT.   
FRIDAY  
MOSTLY SUNNY. HIGHS 69 TO 77. AREAS OF WINDS WEST 10 TO  
15 MPH WITH GUSTS TO 30 MPH.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 45 TO 55. AREAS OF WINDS WEST 10 TO 20 MPH. GUSTS TO  
35 MPH...BECOMING 25 MPH OVERNIGHT.   
SATURDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 67 TO 75. AREAS OF WINDS WEST 10 TO 15 MPH.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55. AREAS OF WINDS  
WEST 10 MPH.   
SUNDAY  
PARTLY CLOUDY. HIGHS 67 TO 75.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 43 TO 53.   
MONDAY  
PARTLY CLOUDY. HIGHS 66 TO 75.   
MONDAY NIGHT  
CLEAR. LOWS 43 TO 52.   
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 59 TO 67.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
EVENING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY OVERNIGHT. LOWS  
43 TO 52.   
WEDNESDAY  
SHOWERS LIKELY. HIGHS 53 TO 61.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 42 TO 52.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 53 TO 61.  
 
 
 
CAZ060-191100-  
APPLE AND LUCERNE VALLEYS-  
INCLUDING THE CITIES OF VICTORVILLE, HESPERIA, APPLE VALLEY,  
AND LUCERNE VALLEY  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 43 TO 51. AREAS OF WINDS SOUTHWEST 10 MPH.   
FRIDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 74 TO 77. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO 25 MPH  
IN THE AFTERNOON.   
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 46 TO 52. AREAS OF WINDS  
SOUTHWEST 10 TO 20 MPH. GUSTS TO 30 MPH...BECOMING 25 MPH  
OVERNIGHT.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 72 TO 76. AREAS OF WINDS WEST 10 TO 15 MPH.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 46 TO 52. AREAS OF WINDS  
SOUTHWEST 10 MPH.   
SUNDAY  
PARTLY CLOUDY. HIGHS 70 TO 74.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 43 TO 49.   
MONDAY  
PARTLY CLOUDY. HIGHS 69 TO 73.   
MONDAY NIGHT  
CLEAR. LOWS 41 TO 48.   
TUESDAY  
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 64 TO 70.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
EVENING, THEN MOSTLY CLOUDY WITH SHOWERS LIKELY OVERNIGHT. LOWS  
43 TO 48.   
WEDNESDAY  
SHOWERS. LOCALLY HEAVY RAINFALL POSSIBLE IN THE  
AFTERNOON. HIGHS 57 TO 63.   
WEDNESDAY NIGHT  
SHOWERS. LOWS 42 TO 47.   
CHRISTMAS DAY  
SHOWERS LIKELY. HIGHS 57 TO 63.  
 
 
 
CAZ065-191100-  
SAN GORGONIO PASS NEAR BANNING-  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 54 TO 59 THROUGH THE PASS TO 58 TO 64 IN THE NORTHERN  
COACHELLA VALLEY. LIGHT WINDS BECOMING NORTH 10 MPH OVERNIGHT.   
FRIDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS 79 TO 82. AREAS OF WINDS SOUTHEAST 10 TO 15 MPH WITH GUSTS  
TO 25 MPH.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 54 TO 58 THROUGH THE PASS TO 58 TO 64 IN THE NORTHERN  
COACHELLA VALLEY. AREAS OF WINDS NORTHWEST 10 TO 20 MPH. GUSTS TO  
35 MPH...BECOMING 30 MPH OVERNIGHT.   
SATURDAY...MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY.  
HIGHS AROUND 80. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO  
25 MPH IN THE MORNING.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 54 TO 57 THROUGH THE PASS  
TO 58 TO 63 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST  
10 MPH.   
SUNDAY  
PARTLY CLOUDY. HIGHS AROUND 80.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 53 TO 62.   
MONDAY  
PARTLY CLOUDY. HIGHS 76 TO 80.   
MONDAY NIGHT  
CLEAR. LOWS 51 TO 61.   
TUESDAY  
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 69 TO 72 THROUGH THE  
PASS TO 74 IN THE NORTHERN COACHELLA VALLEY.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS  
OVERNIGHT. LOWS 50 TO 59.   
WEDNESDAY  
SHOWERS LIKELY. LOCALLY HEAVY RAINFALL POSSIBLE IN  
THE AFTERNOON. HIGHS 64 TO 68.   
WEDNESDAY NIGHT  
SHOWERS LIKELY. LOWS 49 TO 59.   
CHRISTMAS DAY  
MOSTLY CLOUDY. SHOWERS LIKELY. HIGHS 63 TO  
66 THROUGH THE PASS TO 70 IN THE NORTHERN COACHELLA VALLEY.  
 
 
 
CAZ061-191100-  
COACHELLA VALLEY-  
INCLUDING THE CITIES OF INDIO, PALM SPRINGS, CATHEDRAL CITY,  
PALM DESERT, PALM DESERT COUNTRY, LA QUINTA, AND COACHELLA  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 51 TO 59. LIGHT WINDS.   
FRIDAY...SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY. HIGHS  
78 TO 82. LIGHT WINDS.   
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING  
BECOMING MOSTLY  
CLEAR. LOWS 51 TO 59. AREAS OF WINDS NORTHWEST TO 10 MPH.   
SATURDAY  
PARTLY CLOUDY. HIGHS 77 TO 81. LIGHT WINDS.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 52 TO 59. LIGHT WINDS.   
SUNDAY  
PARTLY CLOUDY. HIGHS 77 TO 81.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 51 TO 57.   
MONDAY  
PARTLY CLOUDY. HIGHS AROUND 80.   
MONDAY NIGHT  
CLEAR. LOWS 51 TO 57.   
TUESDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS AROUND 75.   
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS OVERNIGHT. LOWS 50 TO 55.   
WEDNESDAY  
SHOWERS LIKELY. HIGHS AROUND 69.   
WEDNESDAY NIGHT  
SHOWERS LIKELY. LOWS 52 TO 56.   
CHRISTMAS DAY...MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS. HIGHS AROUND 70.  
 
 
 
CAZ062-191100-  
SAN DIEGO COUNTY DESERTS-  
INCLUDING THE CITY OF BORREGO SPRINGS  
101 PM PST THU DEC 18 2025  
   
TONIGHT...PARTLY CLOUDY THIS EVENING  
BECOMING MOSTLY CLEAR.  
LOWS 52 TO 61. LIGHT WINDS.   
FRIDAY  
MOSTLY SUNNY. HIGHS 79 TO 84. LIGHT WINDS.   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 52 TO 61. AREAS OF WINDS WEST  
TO 10 MPH.   
SATURDAY...PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY.  
HIGHS 77 TO 82. AREAS OF WINDS WEST 10 MPH IN THE MORNING  
BECOMING LIGHT.   
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 52 TO 61. LIGHT WINDS.   
SUNDAY  
PARTLY CLOUDY. HIGHS 78 TO 82.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 52 TO 60.   
MONDAY  
PARTLY CLOUDY. HIGHS 78 TO 82.   
MONDAY NIGHT  
CLEAR. LOWS 51 TO 60.   
TUESDAY  
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 74 TO 77.   
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
49 TO 59.   
WEDNESDAY  
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS  
LIKELY IN THE AFTERNOON. HIGHS 69 TO 72.   
WEDNESDAY NIGHT  
SHOWERS LIKELY. LOWS 50 TO 60.   
CHRISTMAS DAY  
MOSTLY CLOUDY WITH SHOWERS LIKELY IN THE  
MORNING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 70 TO 73.  
 
 
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