345
FPUS56 KSGX 191846
ZFPSGX
ZONE FORECAST PRODUCT FOR EXTREME SOUTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
1146 AM PDT WED AUG 19 2026
CAZ552-201000-
ORANGE COUNTY COASTAL AREAS-
INCLUDING THE CITIES OF HUNTINGTON BEACH, COSTA MESA,
NEWPORT BEACH, LAGUNA BEACH, AND SAN CLEMENTE
1146 AM PDT WED AUG 19 2026
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 66 TO 69. AREAS OF WINDS SOUTH 10 MPH THIS EVENING BECOMING
LIGHT.
THURSDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. HIGHS 76 TO 80 AT THE BEACHES TO 82 TO
87 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS
BECOMING SOUTHWEST 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 66 TO 69. AREAS OF WINDS SOUTH TO 10 MPH IN THE
EVENING BECOMING LIGHT.
FRIDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING
MOSTLY SUNNY. HIGHS 76 TO 80 AT THE BEACHES TO 82 TO 87 FARTHER
INLAND AND NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS BECOMING
SOUTHWEST 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 66 TO 69. AREAS OF WINDS SOUTHWEST TO 10 MPH IN THE
EVENING BECOMING LIGHT.
SATURDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. HIGHS 78 TO 83 AT THE BEACHES TO 84 TO
89 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 70.
SUNDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 77 TO 82 AT THE BEACHES TO 83 TO 88 FARTHER INLAND AND NEAR
HIGHER COASTAL TERRAIN.
SUNDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 66 TO 69.
MONDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 77 TO 82 AT THE BEACHES TO 83 TO 88 FARTHER INLAND AND NEAR
HIGHER COASTAL TERRAIN.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 70.
TUESDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 78 TO 83 AT THE BEACHES TO 84 TO 89 FARTHER INLAND AND NEAR
HIGHER COASTAL TERRAIN.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
WEDNESDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY
SUNNY. HIGHS 78 TO 83 AT THE BEACHES TO 84 TO 89 FARTHER INLAND
AND NEAR HIGHER COASTAL TERRAIN.
CAZ554-201000-
ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE,
ORANGE, FULLERTON, AND MISSION VIEJO
1146 AM PDT WED AUG 19 2026
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 65 TO 70. AREAS OF WINDS SOUTH TO 10 MPH THIS EVENING
BECOMING LIGHT.
THURSDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 85 TO 88 TOWARDS THE COAST TO 90 TO 93 FARTHER INLAND.
LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 65 TO 70. AREAS OF WINDS SOUTHWEST TO 10 MPH IN THE
EVENING BECOMING LIGHT.
FRIDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING
MOSTLY SUNNY. HIGHS 85 TO 88 TOWARDS THE COAST TO 90 TO
93 FARTHER INLAND. LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN THE
AFTERNOON.
FRIDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 64 TO 70. AREAS OF WINDS SOUTHWEST TO 10 MPH IN THE
EVENING BECOMING LIGHT.
SATURDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. HIGHS AROUND 88 TOWARDS THE COAST TO 92 TO
95 FARTHER INLAND.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 70.
SUNDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 85 TO 89 TOWARDS THE COAST TO 93 FARTHER INLAND.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 70.
MONDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 86 TO 90 TOWARDS THE COAST TO 92 TO 95 FARTHER INLAND.
MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 66 TO 71.
TUESDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 87 TO 91 TOWARDS THE COAST TO 93 TO 96 FARTHER INLAND.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 72.
WEDNESDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY
SUNNY. HIGHS AROUND 90 TOWARDS THE COAST TO 94 FARTHER INLAND.
CAZ043-201000-
SAN DIEGO COUNTY COASTAL AREAS-
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,
CHULA VISTA, NATIONAL CITY, AND SAN DIEGO
1146 AM PDT WED AUG 19 2026
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
PATCHY FOG OVERNIGHT. LOWS 65 TO 69. LIGHT WINDS.
THURSDAY...MOSTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. HIGHS 76 TO 81 NEAR THE COAST TO 83 TO
88 INLAND. LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY OVERNIGHT WITH PATCHY FOG. LOWS 65 TO 69. LIGHT WINDS.
FRIDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 77 TO
81 NEAR THE COAST TO 83 TO 88 INLAND. LIGHT WINDS BECOMING WEST
10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FOG OVERNIGHT. LOWS 65 TO
69. LIGHT WINDS.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY. HIGHS 78 TO
83 NEAR THE COAST TO 84 TO 89 INLAND.
SATURDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 65 TO 70.
SUNDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 77 TO 82 NEAR THE COAST TO 84 TO 89 INLAND.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS OVERNIGHT. LOWS 65 TO 70.
MONDAY
PARTLY CLOUDY. HIGHS 77 TO 82 NEAR THE COAST TO 84 TO
89 INLAND.
MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 65 TO 70.
TUESDAY
PARTLY CLOUDY. HIGHS 77 TO 82 NEAR THE COAST TO 85 TO
90 INLAND.
TUESDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 66 TO 71.
WEDNESDAY
PARTLY CLOUDY. HIGHS 78 TO 83 NEAR THE COAST TO
86 TO 90 INLAND.
CAZ050-201000-
SAN DIEGO COUNTY VALLEYS-
INCLUDING THE CITIES OF ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA,
SANTEE, AND POWAY
1146 AM PDT WED AUG 19 2026
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
PATCHY FOG OVERNIGHT. LOWS 66 TO 71. LIGHT WINDS.
THURSDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 86 TO 91 IN THE WESTERN VALLEYS TO 94 TO 99 NEAR THE
FOOTHILLS. AREAS OF WINDS WEST TO 10 MPH.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 66 TO 71. LIGHT WINDS.
FRIDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING
MOSTLY SUNNY. HIGHS 87 TO 92 IN THE WESTERN VALLEYS TO 93 TO
98 NEAR THE FOOTHILLS. LIGHT WINDS BECOMING WEST 10 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 70. AREAS OF WINDS WEST
TO 10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 87 TO 92 IN THE WESTERN VALLEYS TO 94 TO 99 NEAR THE
FOOTHILLS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 71.
SUNDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 87 TO 92 IN THE WESTERN VALLEYS TO 92 TO 97 NEAR THE
FOOTHILLS.
SUNDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS
OVERNIGHT. LOWS 66 TO 71.
MONDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY. A
SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 87 TO 92 IN THE WESTERN VALLEYS TO 92 TO 97 NEAR
THE FOOTHILLS.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 66 TO 71.
TUESDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 88 TO 93 IN THE WESTERN VALLEYS TO 93 TO 98 NEAR THE
FOOTHILLS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 72.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS 88 TO 93 IN
THE WESTERN VALLEYS TO 93 TO 98 NEAR THE FOOTHILLS.
CAZ048-201000-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
INCLUDING THE CITIES OF RIVERSIDE, SAN BERNARDINO, ONTARIO,
MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, AND CORONA
1146 AM PDT WED AUG 19 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY
TONIGHT
MOSTLY CLEAR. LOWS 66 TO 72. AREAS OF WINDS WEST TO
10 MPH THIS EVENING BECOMING LIGHT.
THURSDAY
PARTLY CLOUDY. HIGHS 97 TO 103. AREAS OF WINDS WEST
TO 10 MPH...BECOMING 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 71. AREAS OF WINDS
SOUTHWEST TO 10 MPH IN THE EVENING BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 96 TO 102. LIGHT WINDS BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 70. AREAS OF WINDS WEST
TO 10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 98 TO 104.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 71.
SUNDAY
MOSTLY SUNNY. HIGHS 96 TO 103.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 71.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS 96 TO 103.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 71.
TUESDAY
MOSTLY SUNNY. HIGHS 97 TO 103.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 72.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 97 TO 103.
CAZ057-201000-
SANTA ANA MOUNTAINS AND FOOTHILLS-
1146 AM PDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 64 TO 73. AREAS OF WINDS SOUTHEAST
TO 10 MPH THIS EVENING BECOMING LIGHT.
THURSDAY
PARTLY CLOUDY. HIGHS 89 TO 99. AREAS OF WINDS WEST TO
10 MPH BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72. AREAS OF WINDS
NORTH TO 10 MPH IN THE EVENING BECOMING LIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 89 TO 99. LIGHT WINDS BECOMING
SOUTHWEST 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 71. AREAS OF WINDS
SOUTHWEST TO 10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 90 TO 100.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72.
SUNDAY
MOSTLY SUNNY. HIGHS 90 TO 100.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS 90 TO 100.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 73.
TUESDAY
MOSTLY SUNNY. HIGHS 91 TO 101.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 73.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 100.
CAZ055-201000-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY,
BIG BEAR LAKE, RUNNING SPRINGS, AND WRIGHTWOOD
1146 AM PDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. COOLER. LOWS 54 TO 64 ABOVE 6000 FEET TO
63 TO 73 BELOW 6000 FEET. AREAS OF WINDS SOUTH 10 TO 15 MPH.
GUSTS TO 25 MPH THIS EVENING.
THURSDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 77 TO 87 ABOVE 6000 FEET TO 87 TO 96 BELOW 6000 FEET. AREAS
OF WINDS SOUTH 10 TO 15 MPH. GUSTS TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 64 ABOVE 6000 FEET TO
63 TO 73 BELOW 6000 FEET. AREAS OF WINDS SOUTH 10 TO 15 MPH WITH
GUSTS TO 25 MPH IN THE EVENING BECOMING LIGHT. NEAR RIDGE TOPS
AND ALONG DESERT SLOPES, AREAS OF WINDS SOUTH 10 TO 15 MPH, GUSTS
TO 25 MPH IN THE EVENING.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 85 ABOVE 6000 FEET TO
85 TO 95 BELOW 6000 FEET. AREAS OF WINDS SOUTH TO 10 MPH BECOMING
SOUTHWEST WITH GUSTS TO 25 MPH IN THE AFTERNOON. CHANCE OF
MEASURABLE PRECIPITATION 20 PERCENT.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 53 TO 63 ABOVE 6000 FEET TO 62 TO 72 BELOW 6000 FEET.
AREAS OF WINDS SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH
BECOMING WEST OVERNIGHT.
SATURDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 76 TO 86 ABOVE 6000 FEET TO 86 TO 96 BELOW 6000 FEET.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 66.
SUNDAY
MOSTLY SUNNY. HIGHS 76 TO 86 ABOVE 6000 FEET TO 85 TO
94 BELOW 6000 FEET.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 65.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 85 ABOVE
6000 FEET TO 84 TO 94 BELOW 6000 FEET.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 55 TO 65.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 76 TO 86 ABOVE 6000 FEET TO
85 TO 94 BELOW 6000 FEET.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 56 TO 66.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 76 TO
86 ABOVE 6000 FEET TO 85 TO 94 BELOW 6000 FEET.
CAZ056-201000-
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE CITY OF IDYLLWILD-PINE COVE
1146 AM PDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 62 TO 72. AREAS OF WINDS WEST TO
10 MPH.
THURSDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 88 TO 98. LIGHT WINDS
BECOMING WEST 10 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 61 TO 71. AREAS OF WINDS
WEST TO 10 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS 86 TO 96. AREAS OF WINDS WEST TO 10 MPH. CHANCE OF
MEASURABLE PRECIPITATION 20 PERCENT.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 60 TO 70. AREAS OF WINDS WEST TO 10 MPH.
SATURDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 88 TO 98.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70.
SUNDAY
MOSTLY SUNNY. HIGHS 86 TO 96.
SUNDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 60 TO 70.
MONDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 85 TO 95.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR OVERNIGHT. LOWS 60 TO 70.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 86 TO 96.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 60 TO 70.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 86 TO 96.
CAZ058-201000-
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY
1146 AM PDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 66 TO 76. AREAS OF WINDS WEST TO
10 MPH.
THURSDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 90 TO 98. LIGHT WINDS
BECOMING WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 65 TO 74. AREAS OF WINDS
WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH...BECOMING TO 10 MPH
OVERNIGHT.
FRIDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 89 TO 98. LIGHT WINDS BECOMING WEST 10 TO 15 MPH WITH GUSTS
TO 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 64 TO 73. AREAS OF WINDS WEST 10 TO 15 MPH WITH GUSTS
TO 25 MPH...BECOMING TO 10 MPH OVERNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 90 TO 100.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 74.
SUNDAY
MOSTLY SUNNY. HIGHS 89 TO 97.
SUNDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS
OVERNIGHT. LOWS 64 TO 73.
MONDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 88 TO 97.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 64 TO 74.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 89 TO 97.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 65 TO 74.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS 89 TO 97.
CAZ060-201000-
APPLE AND LUCERNE VALLEYS-
INCLUDING THE CITIES OF VICTORVILLE, HESPERIA, APPLE VALLEY,
AND LUCERNE VALLEY
1146 AM PDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 68 TO 77. AREAS OF WINDS SOUTH
10 TO 15 MPH. GUSTS TO 25 MPH THIS EVENING.
THURSDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 101 TO 107. LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 69 TO 77. AREAS OF WINDS SOUTH 10 TO 15 MPH. GUSTS TO
25 MPH IN THE EVENING.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 99 TO 105. LIGHT WINDS
BECOMING SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 67 TO 76. AREAS OF WINDS SOUTHWEST 10 TO 20 MPH.
GUSTS TO 30 MPH IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HIGHS 100 TO 107.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 75.
SUNDAY
MOSTLY SUNNY. HIGHS 98 TO 105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 75.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS 98 TO 104.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 66 TO 75.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 98 TO 104.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 76.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 98 TO 104.
CAZ065-201000-
SAN GORGONIO PASS NEAR BANNING-
1146 AM PDT WED AUG 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS AROUND 78 THROUGH THE PASS TO 87 IN
THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST 10 TO 15 MPH
BECOMING EAST OVERNIGHT. GUSTS TO 25 MPH.
THURSDAY
PARTLY CLOUDY. HOT. HIGHS AROUND 105 THROUGH THE PASS
TO 110 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS SOUTH TO
10 MPH...BECOMING 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 78 THROUGH THE PASS
TO 87 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST 10 TO
20 MPH. GUSTS TO 35 MPH...BECOMING 30 MPH OVERNIGHT.
FRIDAY
PARTLY CLOUDY. HOT. HIGHS AROUND 104 THROUGH THE PASS
TO 110 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST
10 TO 15 MPH WITH GUSTS TO 25 MPH BECOMING SOUTHWEST 15 TO 25 MPH
WITH GUSTS TO 35 MPH IN THE AFTERNOON.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS AROUND 77 THROUGH THE PASS TO 86 IN THE NORTHERN
COACHELLA VALLEY. AREAS OF WINDS WEST 15 TO 25 MPH. GUSTS TO
40 MPH...BECOMING 35 MPH OVERNIGHT.
SATURDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 105 THROUGH THE PASS
TO 110 IN THE NORTHERN COACHELLA VALLEY.
SATURDAY NIGHT
MOSTLY CLEAR. BREEZY. LOWS 77 TO 87.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 103 THROUGH THE PASS TO
106 TO 110 IN THE NORTHERN COACHELLA VALLEY.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 86.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS AROUND 103 THROUGH THE PASS TO 105 TO 108 IN THE
NORTHERN COACHELLA VALLEY.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 77 TO 86.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 102 TO 105 THROUGH THE PASS
TO 106 TO 110 IN THE NORTHERN COACHELLA VALLEY.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 78 TO 87.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 103 THROUGH THE PASS
TO 110 IN THE NORTHERN COACHELLA VALLEY.
CAZ061-201000-
COACHELLA VALLEY-
INCLUDING THE CITIES OF INDIO, PALM SPRINGS, CATHEDRAL CITY,
PALM DESERT, PALM DESERT COUNTRY, LA QUINTA, AND COACHELLA
1146 AM PDT WED AUG 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 85 TO 88. AREAS OF WINDS EAST TO
10 MPH THIS EVENING BECOMING LIGHT.
THURSDAY
PARTLY CLOUDY. HOT. HIGHS AROUND 110. AREAS OF WINDS
WEST TO 10 MPH BECOMING SOUTHEAST 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 85 TO 88. AREAS OF WINDS NORTHWEST TO 10 MPH.
FRIDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HOT. HIGHS 109 TO 112. LIGHT WINDS BECOMING SOUTH 10 MPH IN THE
AFTERNOON.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 84 TO 88. AREAS OF WINDS NORTHWEST 10 TO 15 MPH.
GUSTS TO 30 MPH...BECOMING 25 MPH OVERNIGHT.
SATURDAY
MOSTLY SUNNY. HOT. HIGHS 110 TO 113.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 88.
SUNDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 83 TO 86.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 106 TO 109.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 83 TO 87.
TUESDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 88.
WEDNESDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 110.
CAZ062-201000-
SAN DIEGO COUNTY DESERTS-
INCLUDING THE CITY OF BORREGO SPRINGS
1146 AM PDT WED AUG 19 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 85 TO 90. AREAS OF WINDS SOUTHEAST
TO 10 MPH THIS EVENING BECOMING LIGHT.
THURSDAY
PARTLY CLOUDY. HOT. HIGHS 108 TO 113. LIGHT WINDS
BECOMING EAST 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 85 TO 90. AREAS OF WINDS WEST 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HOT. HIGHS 109 TO 113. LIGHT WINDS
BECOMING SOUTHEAST 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 84 TO 89. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO
30 MPH IN THE EVENING.
SATURDAY
MOSTLY SUNNY. VERY HOT. HIGHS 111 TO 115.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 89.
SUNDAY
MOSTLY SUNNY. HOT. HIGHS 108 TO 113.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 83 TO 88.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HOT. HIGHS 106 TO 110.
MONDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 83 TO 89.
TUESDAY
MOSTLY SUNNY. HOT. HIGHS 107 TO 112.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 90.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HOT. HIGHS 108 TO 113.
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