561
FPUS56 KSGX 231849
ZFPSGX
ZONE FORECAST PRODUCT FOR EXTREME SOUTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
1148 AM PDT SUN AUG 23 2026
CAZ552-241000-
ORANGE COUNTY COASTAL AREAS-
INCLUDING THE CITIES OF HUNTINGTON BEACH, COSTA MESA,
NEWPORT BEACH, LAGUNA BEACH, AND SAN CLEMENTE
1148 AM PDT SUN AUG 23 2026
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT
MOSTLY CLEAR. LOWS AROUND 67. AREAS OF WINDS SOUTHWEST
TO 10 MPH THIS EVENING BECOMING LIGHT.
MONDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 80 TO 84 AT THE BEACHES TO 86 TO 91 FARTHER INLAND AND NEAR
HIGHER COASTAL TERRAIN. LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN
THE AFTERNOON.
MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY OVERNIGHT WITH PATCHY FOG. LOCAL VISIBILITY ONE QUARTER
MILE OR LESS AT TIMES OVERNIGHT. LOWS 68 TO 72. AREAS OF WINDS
SOUTH TO 10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES IN THE MORNING. HIGHS 81 TO 85 AT THE BEACHES TO 88 TO
93 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN. LIGHT WINDS
BECOMING WEST 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. AREAS OF WINDS
SOUTH TO 10 MPH.
WEDNESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES IN THE MORNING. HIGHS 81 TO 85 AT THE BEACHES TO 88 TO
93 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 70 TO 73.
THURSDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 83 TO 88 AT THE BEACHES TO 90 TO 95 FARTHER INLAND AND NEAR
HIGHER COASTAL TERRAIN.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 70 TO 73.
FRIDAY
PARTLY CLOUDY. HIGHS 82 TO 87 AT THE BEACHES TO 89 TO
94 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 69 TO 73.
SATURDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 81 TO 86 AT THE BEACHES TO 88 TO 93 FARTHER INLAND AND NEAR
HIGHER COASTAL TERRAIN.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 72.
SUNDAY
MOSTLY SUNNY. HIGHS 79 TO 83 AT THE BEACHES TO 85 TO
90 FARTHER INLAND AND NEAR HIGHER COASTAL TERRAIN.
CAZ554-241000-
ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE,
ORANGE, FULLERTON, AND MISSION VIEJO
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT
MOSTLY CLEAR. LOWS 64 TO 69. AREAS OF WINDS SOUTH TO
10 MPH THIS EVENING BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 88 TO 92 TOWARDS THE COAST TO 94 TO
97 FARTHER INLAND. LIGHT WINDS BECOMING SOUTHWEST 10 MPH IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY FOG OVERNIGHT. LOCAL
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS
69 TO 73. AREAS OF WINDS SOUTH TO 10 MPH IN THE EVENING BECOMING
LIGHT.
TUESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES IN THE MORNING. HIGHS 90 TO 93 TOWARDS THE COAST TO
96 TO 99 FARTHER INLAND. LIGHT WINDS BECOMING WEST 10 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 73. AREAS OF WINDS
SOUTHWEST TO 10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES IN THE MORNING. HIGHS 90 TO 94 TOWARDS THE COAST TO
100 FARTHER INLAND.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 72 TO 76.
THURSDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 92 TO 95 TOWARDS THE COAST TO 100 FARTHER INLAND.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 72 TO 75.
FRIDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 91 TO 95 TOWARDS THE COAST TO 99 FARTHER INLAND.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 70 TO 74.
SATURDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 90 TO 94 TOWARDS THE COAST TO 98 FARTHER INLAND.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 73.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90 TOWARDS THE COAST TO
93 TO 96 FARTHER INLAND.
CAZ043-241000-
SAN DIEGO COUNTY COASTAL AREAS-
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,
CHULA VISTA, NATIONAL CITY, AND SAN DIEGO
1148 AM PDT SUN AUG 23 2026
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
PATCHY FOG OVERNIGHT. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES OVERNIGHT. LOWS 65 TO 69. AREAS OF WINDS WEST TO 10 MPH
THIS EVENING BECOMING LIGHT.
MONDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING
MOSTLY SUNNY. HIGHS 79 TO 84 NEAR THE COAST TO 86 TO 91 INLAND.
AREAS OF WINDS WEST TO 10 MPH.
MONDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY OVERNIGHT WITH PATCHY FOG. LOCAL VISIBILITY ONE QUARTER
MILE OR LESS AT TIMES OVERNIGHT. LOWS 67 TO 71. LIGHT WINDS.
TUESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES IN THE MORNING. HIGHS 80 TO 84 NEAR THE COAST TO 87 TO
92 INLAND. LIGHT WINDS BECOMING WEST 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY OVERNIGHT WITH PATCHY FOG. LOCAL VISIBILITY ONE QUARTER
MILE OR LESS AT TIMES OVERNIGHT. LOWS 68 TO 72. AREAS OF WINDS
WEST TO 10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY...PARTLY CLOUDY WITH PATCHY FOG IN THE MORNING
BECOMING MOSTLY SUNNY. LOCAL VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES IN THE MORNING. HIGHS 81 TO 85 NEAR THE COAST TO 89 TO
94 INLAND.
WEDNESDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 70 TO 75.
THURSDAY
PARTLY CLOUDY. HIGHS 82 TO 87 NEAR THE COAST TO 91 TO
95 INLAND.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 70 TO 75.
FRIDAY
PARTLY CLOUDY. HIGHS 82 TO 87 NEAR THE COAST TO 91 TO
95 INLAND.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 69 TO 74.
SATURDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 81 TO 86 NEAR THE COAST TO 90 TO 95 INLAND.
SATURDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 68 TO 73.
SUNDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 79 TO 84 NEAR THE COAST TO 87 TO 91 INLAND.
CAZ050-241000-
SAN DIEGO COUNTY VALLEYS-
INCLUDING THE CITIES OF ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA,
SANTEE, AND POWAY
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 66 TO 73. AREAS OF WINDS WEST TO 10 MPH THIS EVENING
BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 89 TO 94 IN THE WESTERN VALLEYS TO
94 TO 99 NEAR THE FOOTHILLS. LIGHT WINDS BECOMING WEST 10 MPH IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 72. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. LOCAL
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES IN THE MORNING.
HIGHS 91 TO 96 IN THE WESTERN VALLEYS TO 96 TO 101 NEAR THE
FOOTHILLS. LIGHT WINDS BECOMING WEST 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG OVERNIGHT. LOCAL
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES OVERNIGHT. LOWS
69 TO 75. AREAS OF WINDS WEST TO 10 MPH IN THE EVENING BECOMING
LIGHT.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. LOCAL
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES IN THE MORNING.
HIGHS 93 TO 98 IN THE WESTERN VALLEYS TO 97 TO 102 NEAR THE
FOOTHILLS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 72 TO 76.
THURSDAY...PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY SUNNY.
HIGHS 94 TO 99 IN THE WESTERN VALLEYS TO 98 TO 103 NEAR THE
FOOTHILLS.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 72 TO 76.
FRIDAY
PARTLY CLOUDY. HIGHS 94 TO 99 IN THE WESTERN VALLEYS TO
98 TO 103 NEAR THE FOOTHILLS.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 70 TO 74.
SATURDAY
MOSTLY SUNNY. HIGHS 93 TO 98 IN THE WESTERN VALLEYS
TO 97 TO 102 NEAR THE FOOTHILLS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 73.
SUNDAY
MOSTLY SUNNY. HIGHS 90 TO 95 IN THE WESTERN VALLEYS TO
95 TO 100 NEAR THE FOOTHILLS.
CAZ048-241000-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
INCLUDING THE CITIES OF RIVERSIDE, SAN BERNARDINO, ONTARIO,
MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, AND CORONA
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT
MOSTLY CLEAR. LOWS 68 TO 74. AREAS OF WINDS WEST 10 TO
15 MPH THIS EVENING BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 99 TO 105. LIGHT WINDS BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 73. AREAS OF WINDS WEST
10 TO 15 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 101 TO 107. LIGHT WINDS BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 70 TO 75. AREAS OF WINDS WEST
10 TO 15 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 101 TO 108.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 72 TO 76.
THURSDAY
MOSTLY SUNNY. HIGHS 102 TO 108.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 72 TO 76.
FRIDAY
PARTLY CLOUDY. HIGHS 101 TO 107.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 70 TO 74.
SATURDAY
MOSTLY SUNNY. HIGHS 100 TO 107.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 73.
SUNDAY
MOSTLY SUNNY. HIGHS 98 TO 104.
CAZ057-241000-
SANTA ANA MOUNTAINS AND FOOTHILLS-
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT
MOSTLY CLEAR. COOLER. LOWS 65 TO 75. AREAS OF WINDS
WEST TO 10 MPH THIS EVENING BECOMING LIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 92 TO 102. LIGHT WINDS BECOMING
WEST 10 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 76. AREAS OF WINDS NORTH
TO 10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 94 TO 104. LIGHT WINDS BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 69 TO 78. AREAS OF WINDS SOUTHWEST
TO 10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 94 TO 104.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 71 TO 79.
THURSDAY
MOSTLY SUNNY. HIGHS 96 TO 106.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 71 TO 79.
FRIDAY
PARTLY CLOUDY. HIGHS 95 TO 105.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 69 TO 77.
SATURDAY
MOSTLY SUNNY. HIGHS 95 TO 105.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 76.
SUNDAY
MOSTLY SUNNY. HIGHS 91 TO 101.
CAZ055-241000-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY,
BIG BEAR LAKE, RUNNING SPRINGS, AND WRIGHTWOOD
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
COOLER. LOWS 53 TO 63 ABOVE 6000 FEET TO 63 TO 73 BELOW
6000 FEET. AREAS OF WINDS SOUTHWEST 10 TO 15 MPH WITH GUSTS TO
25 MPH.
MONDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS 76 TO 86 ABOVE 6000 FEET TO 86 TO 95 BELOW 6000 FEET. AREAS
OF WINDS SOUTH TO 10 MPH...BECOMING 10 TO 15 MPH WITH GUSTS TO
30 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63 ABOVE 6000 FEET TO
62 TO 72 BELOW 6000 FEET. AREAS OF WINDS SOUTH 10 TO 15 MPH WITH
GUSTS TO 25 MPH BECOMING WEST OVERNIGHT.
TUESDAY...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 NORTH 10 MPH BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 64 ABOVE 6000 FEET TO
64 TO 74 BELOW 6000 FEET. AREAS OF WINDS WEST TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 89 ABOVE 6000 FEET TO
89 TO 98 BELOW 6000 FEET.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 68.
THURSDAY
MOSTLY SUNNY. HIGHS 79 TO 89 ABOVE 6000 FEET TO 88 TO
97 BELOW 6000 FEET.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 68.
FRIDAY
PARTLY CLOUDY. HIGHS 78 TO 88 ABOVE 6000 FEET TO 88 TO
97 BELOW 6000 FEET.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 67.
SATURDAY
MOSTLY SUNNY. HIGHS 78 TO 88 ABOVE 6000 FEET TO 87 TO
96 BELOW 6000 FEET.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 66.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 87 ABOVE 6000 FEET TO 85 TO
95 BELOW 6000 FEET.
CAZ056-241000-
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE CITY OF IDYLLWILD-PINE COVE
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 60 TO 70. AREAS OF WINDS WEST 10 TO 15 MPH. GUSTS TO 25 MPH
THIS EVENING.
MONDAY
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 EAST TO 10 MPH BECOMING WEST
10 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 71. AREAS OF WINDS WEST
10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 88 TO
98. AREAS OF WINDS NORTH TO 10 MPH BECOMING WEST 10 MPH IN THE
AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72. AREAS OF WINDS WEST
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 100.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72.
THURSDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 89 TO 99.
THURSDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 63 TO 73.
FRIDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 89 TO 99.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 62 TO 72.
SATURDAY
MOSTLY SUNNY. HIGHS 89 TO 99.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 71.
SUNDAY
MOSTLY SUNNY. HIGHS 87 TO 97.
CAZ058-241000-
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF JULIAN AND PINE VALLEY
1148 AM PDT SUN AUG 23 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 64 TO 74. AREAS OF WINDS WEST 10 TO 15 MPH WITH GUSTS TO
25 MPH...BECOMING TO 10 MPH OVERNIGHT.
MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 89 TO 97. AREAS OF WINDS
EAST TO 10 MPH. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 75. AREAS OF WINDS WEST
TO 10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 92 TO
99. AREAS OF WINDS NORTHEAST TO 10 MPH BECOMING WEST 10 MPH IN
THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 76. AREAS OF WINDS WEST
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 93 TO 102.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 77.
THURSDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 93 TO 101.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 78.
FRIDAY...MOSTLY SUNNY IN THE MORNING
BECOMING PARTLY CLOUDY.
HIGHS 93 TO 101.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 66 TO 76.
SATURDAY
MOSTLY SUNNY. HIGHS 92 TO 100.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 76.
SUNDAY
MOSTLY SUNNY. HIGHS 90 TO 98.
CAZ060-241000-
APPLE AND LUCERNE VALLEYS-
INCLUDING THE CITIES OF VICTORVILLE, HESPERIA, APPLE VALLEY,
AND LUCERNE VALLEY
1148 AM PDT SUN AUG 23 2026
...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 67 TO 76. AREAS OF WINDS SOUTHWEST 10 TO 20 MPH. GUSTS TO
30 MPH THIS EVENING.
MONDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS 98 TO 104. AREAS OF WINDS WEST TO 10 MPH BECOMING SOUTH
WITH GUSTS TO 25 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 77. AREAS OF WINDS WEST
10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 100 TO 105. AREAS OF WINDS WEST
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 69 TO 78. AREAS OF WINDS WEST
10 TO 15 MPH. GUSTS TO 25 MPH OVERNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 102 TO 108.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 69 TO 78.
THURSDAY
MOSTLY SUNNY. HIGHS 101 TO 107.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 69 TO 77.
FRIDAY
PARTLY CLOUDY. HIGHS 100 TO 107.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 67 TO 76.
SATURDAY
MOSTLY SUNNY. HIGHS 100 TO 106.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 75.
SUNDAY
MOSTLY SUNNY. HIGHS 99 TO 105.
CAZ065-241000-
SAN GORGONIO PASS NEAR BANNING-
1148 AM PDT SUN AUG 23 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
NOT AS WARM. LOWS AROUND 78 THROUGH THE PASS TO 86 IN THE
NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST 10 TO 20 MPH
BECOMING NORTH OVERNIGHT. GUSTS TO 30 MPH.
MONDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 104 THROUGH THE PASS TO 105 TO 108 IN THE NORTHERN
COACHELLA VALLEY. AREAS OF WINDS SOUTH 10 TO 15 MPH. GUSTS TO
25 MPH IN THE AFTERNOON. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 78 THROUGH THE PASS TO
87 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS WEST 10 TO
15 MPH BECOMING NORTH OVERNIGHT. GUSTS TO 25 MPH.
TUESDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 106 THROUGH THE PASS
TO 109 TO 112 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS
NORTHWEST 10 TO 15 MPH BECOMING SOUTH IN THE AFTERNOON. GUSTS TO
25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 81 THROUGH THE PASS TO
90 IN THE NORTHERN COACHELLA VALLEY. AREAS OF WINDS NORTHWEST
10 TO 20 MPH WITH GUSTS TO 30 MPH.
WEDNESDAY
MOSTLY SUNNY. HOT. HIGHS 106 TO 109 THROUGH THE PASS
TO 111 TO 114 IN THE NORTHERN COACHELLA VALLEY.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 81 TO 90.
THURSDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 107 THROUGH THE PASS
TO 109 TO 113 IN THE NORTHERN COACHELLA VALLEY.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 81 TO 90.
FRIDAY
PARTLY CLOUDY. HOT. HIGHS AROUND 106 THROUGH THE PASS
TO 109 TO 112 IN THE NORTHERN COACHELLA VALLEY.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 80 TO 88.
SATURDAY
MOSTLY SUNNY. BREEZY, HOT. HIGHS AROUND 106 THROUGH
THE PASS TO 109 TO 112 IN THE NORTHERN COACHELLA VALLEY.
SATURDAY NIGHT
MOSTLY CLEAR. BREEZY. LOWS 79 TO 87.
SUNDAY
MOSTLY SUNNY. WINDY, HOT. HIGHS 102 TO 105 THROUGH THE
PASS TO 110 IN THE NORTHERN COACHELLA VALLEY.
CAZ061-241000-
COACHELLA VALLEY-
INCLUDING THE CITIES OF INDIO, PALM SPRINGS, CATHEDRAL CITY,
PALM DESERT, PALM DESERT COUNTRY, LA QUINTA, AND COACHELLA
1148 AM PDT SUN AUG 23 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 83 TO 86. AREAS OF WINDS NORTH 10 TO 15 MPH WITH GUSTS TO
25 MPH...BECOMING TO 10 MPH OVERNIGHT.
MONDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 108. AREAS OF WINDS SOUTH 10 MPH. CHANCE OF
MEASURABLE PRECIPITATION 20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 85 TO 88. LIGHT WINDS BECOMING
NORTH 10 MPH OVERNIGHT.
TUESDAY
MOSTLY SUNNY. HOT. HIGHS 110 TO 113. AREAS OF WINDS
NORTHWEST TO 10 MPH BECOMING SOUTH 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 90. AREAS OF WINDS
NORTHWEST 10 TO 15 MPH. GUSTS TO 25 MPH OVERNIGHT.
WEDNESDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 113.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 87 TO 91.
THURSDAY
MOSTLY SUNNY. HOT. HIGHS 111 TO 114.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 90.
FRIDAY
PARTLY CLOUDY. HOT. HIGHS AROUND 112.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 85 TO 89.
SATURDAY
MOSTLY SUNNY. HOT. HIGHS AROUND 112.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 85 TO 89.
SUNDAY
MOSTLY SUNNY. HOT. HIGHS 110 TO 113.
CAZ062-241000-
SAN DIEGO COUNTY DESERTS-
INCLUDING THE CITY OF BORREGO SPRINGS
1148 AM PDT SUN AUG 23 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT...MOSTLY CLEAR THIS EVENING
BECOMING PARTLY CLOUDY.
LOWS 82 TO 87. AREAS OF WINDS WEST 10 TO 15 MPH WITH GUSTS TO
25 MPH...BECOMING TO 10 MPH OVERNIGHT.
MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HOT. HIGHS 106 TO 110. LIGHT
WINDS BECOMING NORTHEAST 10 MPH IN THE AFTERNOON. CHANCE OF
MEASURABLE PRECIPITATION 20 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 90. AREAS OF WINDS WEST
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HOT. HIGHS 109 TO 114. LIGHT WINDS
BECOMING SOUTHEAST 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 86 TO 92. AREAS OF WINDS WEST
10 MPH.
WEDNESDAY
MOSTLY SUNNY. VERY HOT. HIGHS 112 TO 116.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 86 TO 92.
THURSDAY
MOSTLY SUNNY. VERY HOT. HIGHS 111 TO 116.
THURSDAY NIGHT...MOSTLY CLEAR IN THE EVENING
BECOMING PARTLY
CLOUDY. LOWS 86 TO 92.
FRIDAY
MOSTLY SUNNY. VERY HOT. HIGHS 111 TO 115.
FRIDAY NIGHT...PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY
CLEAR. LOWS 85 TO 91.
SATURDAY
MOSTLY SUNNY. VERY HOT. HIGHS 111 TO 115.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 85 TO 91.
SUNDAY
MOSTLY SUNNY. HOT. HIGHS 109 TO 114.
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