607
FPUS56 KSGX 310844
ZFPSGX

Zone Forecast Product for Extreme Southwest California
National Weather Service San Diego CA
144 AM PDT Thu Jul 31 2025

CAZ552-312245-
Orange County Coastal Areas-
Including the cities of Huntington Beach, Costa Mesa,
Newport Beach, Laguna Beach, and San Clemente
144 AM PDT Thu Jul 31 2025

.TODAY...Mostly cloudy this morning...becoming mostly sunny.
Patchy fog this morning. Highs 72 to 75 at the beaches to 77 to
81 farther inland and near higher coastal terrain. Areas of winds
southwest to 10 mph...becoming 10 to 15 mph this afternoon.
.TONIGHT...Mostly clear in the evening...becoming mostly cloudy
overnight with patchy fog. Lows 60 to 63. Areas of winds
southwest 10 mph in the evening becoming light.
.FRIDAY...Mostly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 72 to 75 at the beaches to 77 to 82 farther
inland and near higher coastal terrain. Light winds becoming
southwest 10 to 15 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 60 to 64. Areas of winds
southwest 10 mph in the evening becoming light.
.SATURDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 74 to 77 at the beaches to 79 to
83 farther inland and near higher coastal terrain. Areas of winds
west to 10 mph.
.SATURDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 61 to 65.
.SUNDAY...Mostly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 75 to 78 at the beaches to 80 to 84 farther
inland and near higher coastal terrain.
.SUNDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 62 to 65.
.MONDAY...Mostly cloudy with patchy fog in the morning...becoming
partly cloudy. Highs 75 to 78 at the beaches to 79 to 84 farther
inland and near higher coastal terrain.
.MONDAY NIGHT...Partly cloudy in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 63 to 66.
.TUESDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 74 to 77 at the beaches to 78 to
82 farther inland and near higher coastal terrain.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 63 to 66.
.WEDNESDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 75 to 78 at the beaches to 79 to
84 farther inland and near higher coastal terrain.

$$

CAZ554-312245-
Orange County Inland Areas-
Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine,
Orange, Fullerton, and Mission Viejo
144 AM PDT Thu Jul 31 2025

.TODAY...Partly cloudy with patchy fog this morning...becoming
sunny. Highs 78 to 82 towards the coast to 84 to 88 farther
inland. Light winds becoming southwest 10 mph this afternoon.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy
overnight with patchy fog. Lows 59 to 64. Light winds.
.FRIDAY...Partly cloudy with patchy fog in the morning...becoming
sunny. Highs 79 to 82 towards the coast to 84 to 87 farther
inland. Light winds becoming southwest 10 mph in the afternoon.
.FRIDAY NIGHT...Clear in the evening...becoming partly cloudy
overnight with patchy fog. Lows 59 to 64. 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 81 to 84 towards the coast to 86 to
89 farther inland. Light winds becoming southwest 10 mph in the
afternoon.
.SATURDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 61 to 66.
.SUNDAY...Partly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 82 to 85 towards the coast to 90 farther
inland.
.SUNDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 62 to 66.
.MONDAY...Mostly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs around 83 towards the coast to 86 to
89 farther inland.
.MONDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 62 to 66.
.TUESDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 80 to 84 towards the coast to 85 to
88 farther inland.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 62 to 66.
.WEDNESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 82 to 85 towards the coast to
90 farther inland.

$$

CAZ043-312245-
San Diego County Coastal Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas,
Chula Vista, National City, and San Diego
144 AM PDT Thu Jul 31 2025

.TODAY...Partly cloudy with patchy fog this morning...becoming
mostly sunny. Highs 70 to 75 near the coast to 77 to 82 inland.
Areas of winds northwest to 10 mph.
.TONIGHT...Partly cloudy in the evening...becoming cloudy
overnight with patchy fog. Lows 57 to 63. Light winds.
.FRIDAY...Mostly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 71 to 76 near the coast to 77 to 82 inland.
Areas of winds west to 10 mph.
.FRIDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 58 to 64. Areas of winds
west to 10 mph in the evening becoming light.
.SATURDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 73 to 78 near the coast to 80 to
85 inland. Areas of winds west to 10 mph.
.SATURDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 59 to 65.
.SUNDAY...Mostly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 74 to 79 near the coast to 81 to 85 inland.
.SUNDAY NIGHT...Mostly clear in the evening...becoming cloudy
overnight with patchy fog. Lows 60 to 65.
.MONDAY...Cloudy in the morning...becoming partly cloudy. Patchy
fog in the morning. Highs 74 to 79 near the coast to 80 to
84 inland.
.MONDAY NIGHT...Partly cloudy in the evening...becoming cloudy
overnight with patchy fog. Lows 61 to 66.
.TUESDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 73 to 78 near the coast to 80 to
83 inland.
.TUESDAY NIGHT...Partly cloudy in the evening...becoming cloudy
overnight with patchy fog. Lows 61 to 66.
.WEDNESDAY...Mostly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 74 to 79 near the coast to 81 to
84 inland.

$$

CAZ050-312245-
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
144 AM PDT Thu Jul 31 2025

.TODAY...Partly cloudy with patchy fog this morning...becoming
sunny. Highs 80 to 85 in the western valleys to 87 to 92 near the
foothills. Areas of winds west to 10 mph.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy
overnight with patchy fog. Lows 58 to 62. Light winds.
.FRIDAY...Partly cloudy with patchy fog in the morning...becoming
sunny. Highs 81 to 86 in the western valleys to 88 to 93 near the
foothills. Areas of winds west to 10 mph.
.FRIDAY NIGHT...Clear in the evening...becoming partly cloudy
overnight with patchy fog. Lows 59 to 62. Areas of winds west to
10 mph in the evening becoming light.
.SATURDAY...Partly cloudy with patchy fog in the morning...
becoming sunny. Highs 83 to 88 in the western valleys to 90 to
95 near the foothills. Areas of winds west to 10 mph.
.SATURDAY NIGHT...Clear in the evening...becoming partly cloudy
overnight with patchy fog. Lows 60 to 63.
.SUNDAY...Partly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 84 to 89 in the western valleys to 91 to
96 near the foothills.
.SUNDAY NIGHT...Clear in the evening...becoming partly cloudy
overnight with patchy fog. Lows 61 to 64.
.MONDAY...Partly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 83 to 88 in the western valleys to 89 to
94 near the foothills.
.MONDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 61 to 64.
.TUESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 82 to 87 in the western valleys to
88 to 93 near the foothills.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 62 to 66.
.WEDNESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 84 to 89 in the western valleys to
91 to 96 near the foothills.

$$

CAZ048-312245-
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
144 AM PDT Thu Jul 31 2025

.TODAY...Mostly sunny. Highs 91 to 98. Light winds becoming west
10 to 15 mph this afternoon.
.TONIGHT...Mostly clear. Lows 58 to 63. Areas of winds west
10 mph in the evening becoming light.
.FRIDAY...Mostly sunny. Highs 91 to 98. Light winds becoming
southwest 10 to 15 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 59 to 64. Areas of winds west
10 to 15 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs 92 to 100. Areas of winds west to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 61 to 65.
.SUNDAY...Partly cloudy in the morning...becoming sunny. Highs
93 to 100.
.SUNDAY NIGHT...Clear in the evening...becoming partly cloudy.
Lows 61 to 65.
.MONDAY...Partly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 92 to 99.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 61 to 66.
.TUESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 92 to 98.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 67.
.WEDNESDAY...Partly cloudy in the morning...becoming sunny. Highs
94 to 101.

$$

CAZ057-312245-
Santa Ana Mountains and Foothills-
144 AM PDT Thu Jul 31 2025

.TODAY...Mostly sunny. Highs 83 to 93. Light winds becoming
southwest 10 to 15 mph this afternoon.
.TONIGHT...Mostly clear. Lows 55 to 62. Areas of winds west to
10 mph in the evening becoming light.
.FRIDAY...Mostly sunny. Highs 83 to 93. Areas of winds east to
10 mph becoming southwest in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 55 to 62. Areas of winds west
10 to 15 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs 85 to 95. Areas of winds north to
10 mph becoming west 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 56 to 63.
.SUNDAY...Partly cloudy in the morning...becoming sunny. Highs
85 to 95.
.SUNDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 57 to 65.
.MONDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 84 to 94.
.MONDAY NIGHT...Partly cloudy. Lows 58 to 64.
.TUESDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 84 to 94.
.TUESDAY NIGHT...Clear in the evening...becoming partly cloudy.
Lows 58 to 65.
.WEDNESDAY...Partly cloudy in the morning...becoming mostly
sunny. Highs 86 to 96.

$$

CAZ055-312245-
San Bernardino County Mountains-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, and Wrightwood
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny, warmer. Highs 74 to 84 above 6000 feet to 80 to
90 below 6000 feet. Areas of winds south 10 to 20 mph. Gusts to
25 mph this afternoon.
.TONIGHT...Clear. Lows 46 to 56 above 6000 feet to 55 to 65 below
6000 feet. Areas of winds south 10 to 15 mph.
.FRIDAY...Sunny. Highs 75 to 85 above 6000 feet to 81 to 91 below
6000 feet. Areas of winds south 10 to 20 mph. Gusts to 25 mph in
the afternoon.
.FRIDAY NIGHT...Clear. Lows 47 to 57 above 6000 feet to 56 to
66 below 6000 feet. Areas of winds south 10 to 20 mph.
.SATURDAY...Sunny. Highs 76 to 86 above 6000 feet to 82 to
92 below 6000 feet. Areas of winds west 10 to 15 mph. Gusts to
25 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 51 to 61.
.SUNDAY...Sunny. Highs 77 to 87 above 6000 feet to 83 to 93 below
6000 feet.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 62.
.MONDAY...Mostly sunny. Highs 75 to 85 above 6000 feet to 82 to
91 below 6000 feet.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 52 to 62.
.TUESDAY...Mostly sunny. Highs 76 to 86 above 6000 feet to 82 to
91 below 6000 feet.
.TUESDAY NIGHT...Mostly clear. Lows 54 to 64.
.WEDNESDAY...Mostly sunny. Highs 78 to 88 above 6000 feet to
84 to 93 below 6000 feet.

$$

CAZ056-312245-
Riverside County Mountains-
Including the city of Idyllwild-Pine Cove
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 84 to 94. Areas of winds west 10 to 15 mph.
.TONIGHT...Clear. Lows 52 to 62. Areas of winds west to 10 mph.
.FRIDAY...Sunny. Highs 85 to 95. Areas of winds southwest to
10 mph becoming west in the afternoon.
.FRIDAY NIGHT...Clear. Lows 53 to 63. Areas of winds west 10 to
15 mph.
.SATURDAY...Sunny. Highs 86 to 96. Areas of winds west 10 to
15 mph.
.SATURDAY NIGHT...Clear. Lows 54 to 64.
.SUNDAY...Sunny. Highs 86 to 96.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 64.
.MONDAY...Mostly sunny. Highs 85 to 95.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 54 to 64.
.TUESDAY...Mostly sunny. Highs 85 to 95.
.TUESDAY NIGHT...Mostly clear. Lows 57 to 67.
.WEDNESDAY...Mostly sunny. Highs 88 to 98.

$$

CAZ058-312245-
San Diego County Mountains-
Including the cities of Julian and Pine Valley
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 85 to 95. Areas of winds west 10 to 15 mph.
Gusts to 25 mph this afternoon.
.TONIGHT...Clear. Lows 56 to 66. Areas of winds west 10 to
15 mph...becoming to 10 mph overnight.
.FRIDAY...Sunny. Highs 86 to 96. Areas of winds southwest to
10 mph...becoming 10 to 15 mph with gusts to 25 mph in the
afternoon.
.FRIDAY NIGHT...Clear. Lows 56 to 66. Areas of winds west 10 to
15 mph. Gusts to 25 mph in the evening.
.SATURDAY...Sunny. Highs 87 to 97. Areas of winds west 10 to
15 mph. Gusts to 25 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 57 to 67.
.SUNDAY...Sunny. Highs 88 to 97.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 67.
.MONDAY...Mostly sunny. Highs 87 to 96.
.MONDAY NIGHT...Mostly clear. Lows 58 to 68.
.TUESDAY...Sunny. Highs 86 to 96.
.TUESDAY NIGHT...Mostly clear. Lows 61 to 71.
.WEDNESDAY...Mostly sunny. Highs 89 to 98.

$$

CAZ060-312245-
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley,
and Lucerne Valley
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 94 to 102. Areas of winds west 10 to
20 mph. Gusts to 25 mph this afternoon.
.TONIGHT...Clear. Lows 61 to 69. Areas of winds west 10 to
15 mph.
.FRIDAY...Sunny. Highs 96 to 103. Areas of winds southwest 10 to
20 mph. Gusts to 25 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 62 to 70. Areas of winds west 10 to
20 mph. Gusts to 25 mph in the evening.
.SATURDAY...Sunny. Highs 96 to 104. Areas of winds west 10 to
15 mph. Gusts to 25 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 62 to 70.
.SUNDAY...Sunny. Highs 96 to 104.
.SUNDAY NIGHT...Mostly clear. Lows 62 to 70.
.MONDAY...Mostly sunny. Highs 95 to 104.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 60 to 69.
.TUESDAY...Mostly sunny. Highs 95 to 104.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 72.
.WEDNESDAY...Mostly sunny. Highs 98 to 105.

$$

CAZ065-312245-
San Gorgonio Pass near Banning-
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs around 100 through the pass to 104 to
108 in the northern Coachella Valley. Areas of winds west 15 to
25 mph. Gusts to 35 mph...becoming 40 mph this afternoon.
.TONIGHT...Clear. Lows around 70 through the pass to 80 in the
northern Coachella Valley. Areas of winds west 15 to 25 mph with
gusts to 40 mph.
.FRIDAY...Sunny. Highs 99 to 102 through the pass to 105 to
109 in the northern Coachella Valley. Areas of winds west 15 to
25 mph. Gusts to 30 mph...becoming 45 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows around 70 through the pass to 80 in
the northern Coachella Valley. Areas of winds west 20 to 30 mph
with gusts to 45 mph.
.SATURDAY...Sunny. Highs 100 to 103 through the pass to 106 to
110 in the northern Coachella Valley. Areas of winds west 15 to
25 mph. Gusts to 35 mph...becoming 40 mph in the afternoon.
.SATURDAY NIGHT...Clear, breezy. Lows 71 to 80.
.SUNDAY...Sunny. Highs around 102 through the pass to 106 to
110 in the northern Coachella Valley.
.SUNDAY NIGHT...Mostly clear. Breezy. Lows 71 to 80.
.MONDAY...Mostly sunny. Highs 99 to 102 through the pass to
105 to 109 in the northern Coachella Valley.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Breezy. Lows 71 to 81.
.TUESDAY...Mostly sunny. Highs around 100 through the pass to
105 to 108 in the northern Coachella Valley.
.TUESDAY NIGHT...Mostly clear. Lows 73 to 83.
.WEDNESDAY...Sunny, hot. Highs 101 to 104 through the pass to
107 to 111 in the northern Coachella Valley.

$$

CAZ061-312245-
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City,
Palm Desert, Palm Desert Country, La Quinta, and Coachella
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 106 to 109. Areas of winds southeast to
10 mph.
.TONIGHT...Clear. Lows 75 to 80. Areas of winds northwest 10 to
15 mph. Gusts to 25 mph in the evening.
.FRIDAY...Sunny. Highs around 109. Light winds becoming southeast
10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 75 to 80. Areas of winds north 10 to
15 mph with gusts to 25 mph.
.SATURDAY...Sunny, hot. Highs 109 to 112. Areas of winds
northwest to 10 mph becoming southwest in the afternoon.
.SATURDAY NIGHT...Clear. Lows 76 to 81.
.SUNDAY...Sunny, hot. Highs around 110.
.SUNDAY NIGHT...Mostly clear. Lows 76 to 80.
.MONDAY...Mostly sunny. Hot. Highs around 110.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 76 to 81.
.TUESDAY...Mostly sunny. Hot. Highs around 110.
.TUESDAY NIGHT...Mostly clear. Lows 79 to 84.
.WEDNESDAY...Mostly sunny. Hot. Highs 110 to 113.

$$

CAZ062-312245-
San Diego County Deserts-
Including the city of Borrego Springs
144 AM PDT Thu Jul 31 2025

.TODAY...Sunny, hot. Highs 106 to 110. Areas of winds east 10 to
15 mph.
.TONIGHT...Clear. Lows 73 to 82. Areas of winds west 10 to
15 mph.
.FRIDAY...Sunny, hot. Highs around 110. Areas of winds southeast
10 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows 75 to 82. Areas of winds west
10 to 20 mph with gusts to 25 mph.
.SATURDAY...Sunny, hot. Highs 109 to 113. Areas of winds east
10 to 15 mph becoming west in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 76 to 83.
.SUNDAY...Sunny, hot. Highs 109 to 112.
.SUNDAY NIGHT...Mostly clear. Lows 75 to 83.
.MONDAY...Mostly sunny. Hot. Highs 107 to 112.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 76 to 84.
.TUESDAY...Mostly sunny. Hot. Highs 108 to 112.
.TUESDAY NIGHT...Mostly clear. Lows 79 to 87.
.WEDNESDAY...Mostly sunny. Very hot. Highs 110 to 115.

$$

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