Zone Forecast Product
Issued by NWS San Diego, CA

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894
FPUS56 KSGX 180907
ZFPSGX

Zone Forecast Product for Extreme Southwest California
National Weather Service San Diego CA
207 AM PDT Sat Oct 18 2025

CAZ552-182100-
Orange County Coastal Areas-
Including the cities of Huntington Beach, Costa Mesa,
Newport Beach, Laguna Beach, and San Clemente
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 74 to 77 at the beaches to 79 to
82 farther inland and near higher coastal terrain. Light winds
becoming southwest 10 mph this afternoon.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy.
Lows around 58. Areas of winds west to 10 mph in the evening
becoming light.
.SUNDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 72 to 75 at the beaches to 80 farther inland and near
higher coastal terrain. Light winds becoming southwest 10 mph in
the afternoon.
.SUNDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 56 to 59. Areas of winds
west to 10 mph in the evening becoming light.
.MONDAY...Partly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 71 to 75 at the beaches to 76 to 80 farther
inland and near higher coastal terrain. Light winds becoming west
10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows around 60.
.TUESDAY...Mostly cloudy with patchy fog in the morning...
becoming partly cloudy. Highs 68 to 72 at the beaches to
74 farther inland and near higher coastal terrain.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 56 to 60.
.WEDNESDAY...Mostly cloudy in the morning...becoming partly
cloudy. Highs 65 to 68 at the beaches to 70 farther inland and
near higher coastal terrain.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 54 to 58.
.THURSDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs around 69 at the beaches to 72 to
75 farther inland and near higher coastal terrain.
.THURSDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows around 58.
.FRIDAY...Mostly cloudy with patchy fog in the morning...becoming
partly cloudy. Highs 69 to 72 at the beaches to 74 to 77 farther
inland and near higher coastal terrain.

$$

CAZ554-182100-
Orange County Inland Areas-
Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine,
Orange, Fullerton, and Mission Viejo
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 81 to 84. Light winds becoming
southwest to 10 mph this afternoon.
.TONIGHT...Mostly clear. Lows 54 to 59. Light winds.
.SUNDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 79 to 82. Light winds becoming southwest 10 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 54 to 58. Light winds.
.MONDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 79 to 83. Light winds.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 54 to 58.
.TUESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs around 74 towards the coast to 75 to
78 farther inland.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 53 to 59.
.WEDNESDAY...Mostly cloudy in the morning...becoming partly
cloudy. Highs around 71.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 52 to 57.
.THURSDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 74 to 77.
.THURSDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 54 to 59.
.FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 74 to
77 towards the coast to 77 farther inland.

$$

CAZ043-182100-
San Diego County Coastal Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas,
Chula Vista, National City, and San Diego
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 74 to 79 near the coast to 80 to
84 inland. Light winds becoming west 10 mph this afternoon.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy.
Lows 53 to 59. Light winds.
.SUNDAY...Mostly sunny. Highs 72 to 77 near the coast to 78 to
82 inland. Light winds becoming west 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 55 to 59. Light winds.
.MONDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 71 to 76 near the coast to 77 to 81 inland. Light winds
becoming west 10 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 56 to
59.
.TUESDAY...Patchy fog in the morning. Partly cloudy. Highs 68 to
73 near the coast to 73 to 76 inland.
.TUESDAY NIGHT...Partly cloudy in the evening...becoming mostly
cloudy. Lows 55 to 60.
.WEDNESDAY...Mostly cloudy in the morning...becoming partly
cloudy. Highs 67 to 71.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 53 to 57.
.THURSDAY...Patchy fog in the morning. Partly cloudy. Highs 68 to
72 near the coast to 72 to 75 inland.
.THURSDAY NIGHT...Partly cloudy in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 55 to 58.
.FRIDAY...Mostly cloudy with patchy fog in the morning...becoming
partly cloudy. Highs 69 to 74 near the coast to 73 to 77 inland.

$$

CAZ050-182100-
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 81 to 86. Areas of winds east to
10 mph becoming west 10 mph this afternoon.
.TONIGHT...Mostly clear. Lows 50 to 56. Light winds.
.SUNDAY...Mostly sunny. Highs 80 to 85. Light winds becoming west
10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 57. Areas of winds
northwest to 10 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs 81 to 86. Light winds.
.MONDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 54 to 58.
.TUESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 76 to 81.
.TUESDAY NIGHT...Mostly clear in the evening...becoming mostly
cloudy overnight with patchy fog. Lows 50 to 55.
.WEDNESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 69 to 72 in the western valleys to
65 to 70 near the foothills.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 49 to 54.
.THURSDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 74 to 79.
.THURSDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 53 to 57.
.FRIDAY...Partly cloudy with patchy fog in the morning...becoming
mostly sunny. Highs 76 to 81.

$$

CAZ048-182100-
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
207 AM PDT Sat Oct 18 2025

.TODAY...Sunny. Highs 82 to 87. Areas of winds east to 10 mph
becoming west this afternoon.
.TONIGHT...Mostly clear. Lows 51 to 57. Areas of winds east to
10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 81 to 86. Light winds becoming west
to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 53 to 56. Areas of winds west
to 10 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs 83 to 88. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 53 to 58.
.TUESDAY...Mostly sunny. Highs 78 to 83.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 49 to 54.
.WEDNESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 69 to 74.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 49 to 54.
.THURSDAY...Partly cloudy in the morning...becoming mostly sunny.
Warmer. Highs 77 to 82.
.THURSDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 53 to 57.
.FRIDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 78 to 84.

$$

CAZ057-182100-
Santa Ana Mountains and Foothills-
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 77 to 84. Light winds becoming west
to 10 mph this afternoon.
.TONIGHT...Mostly clear. Lows 51 to 60. Areas of winds northeast
to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 76 to 84. Light winds becoming west
10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 51 to 59. Areas of winds west
to 10 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs 77 to 85. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 50 to 58.
.TUESDAY...Mostly sunny. Highs 72 to 80.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy overnight with patchy fog. Lows 47 to 55.
.WEDNESDAY...Partly cloudy with patchy fog in the morning...
becoming mostly sunny. Highs 65 to 72.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 47 to 54.
.THURSDAY...Partly cloudy in the morning...becoming mostly sunny.
Warmer. Highs 71 to 79.
.THURSDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 49 to 57.
.FRIDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 72 to 81.

$$

CAZ055-182100-
San Bernardino County Mountains-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, and Wrightwood
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Warmer. Highs 57 to 67 above 6000 feet to
66 to 74 below 6000 feet. Areas of winds east 10 mph.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy.
Lows 35 to 45 above 6000 feet to 44 to 53 below 6000 feet. Light
winds. Near ridge tops and along desert slopes, light winds
becoming south 10 mph overnight.
.SUNDAY...Partly cloudy in the morning...becoming mostly sunny.
Highs 59 to 69 above 6000 feet to 67 to 76 below 6000 feet. Areas
of winds west 10 mph in the afternoon. Light winds in the
morning. Near ridge tops and along desert slopes, light.
.SUNDAY NIGHT...Mostly clear. Lows 36 to 46 above 6000 feet to
46 to 55 below 6000 feet. Light winds becoming west 10 mph
overnight.
.MONDAY...Mostly sunny. Highs 60 to 70 above 6000 feet to 69 to
78 below 6000 feet. Areas of winds east 10 mph in the morning
becoming light.
.MONDAY NIGHT...Mostly clear. Lows 40 to 50.
.TUESDAY...Mostly sunny. Highs 57 to 67 above 6000 feet to 66 to
75 below 6000 feet.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Colder. Lows 34 to 44.
.WEDNESDAY...Partly cloudy in the morning...becoming mostly
sunny. Highs 50 to 60 above 6000 feet to 57 to 66 below
6000 feet.
.WEDNESDAY NIGHT...Mostly clear. Lows 37 to 47.
.THURSDAY...Mostly sunny. Warmer. Highs 55 to 65 above 6000 feet
to 64 to 73 below 6000 feet.
.THURSDAY NIGHT...Mostly clear. Lows 39 to 49.
.FRIDAY...Mostly sunny. Highs 56 to 66 above 6000 feet to 65 to
74 below 6000 feet.

$$

CAZ056-182100-
Riverside County Mountains-
Including the city of Idyllwild-Pine Cove
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 66 to 76. Areas of winds east
10 mph.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy.
Lows 40 to 50. Areas of winds east 10 mph in the evening becoming
light.
.SUNDAY...Mostly sunny. Highs 68 to 78. Light winds becoming west
10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 42 to 52. Light winds.
.MONDAY...Mostly sunny. Highs 69 to 79. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 42 to 52.
.TUESDAY...Mostly sunny. Highs 67 to 77.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Colder. Lows 35 to 45.
.WEDNESDAY...Partly cloudy in the morning...becoming mostly
sunny. Highs 58 to 68.
.WEDNESDAY NIGHT...Mostly clear. Lows 38 to 48.
.THURSDAY...Mostly sunny. Warmer. Highs 65 to 75.
.THURSDAY NIGHT...Mostly clear. Lows 41 to 51.
.FRIDAY...Mostly sunny. Highs 66 to 76.

$$

CAZ058-182100-
San Diego County Mountains-
Including the cities of Julian and Pine Valley
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 69 to 77. Areas of winds east 10 to
15 mph with gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 44 to 53. Areas of winds east
10 mph.
.SUNDAY...Mostly sunny. Highs 72 to 80. Light winds becoming west
10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 46 to 56. Light winds.
.MONDAY...Mostly sunny. Highs 73 to 82. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 48 to 57.
.TUESDAY...Mostly sunny. Highs 70 to 78.
.TUESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Colder. Lows 40 to 50.
.WEDNESDAY...Partly cloudy in the morning...becoming mostly
sunny. Highs 60 to 67.
.WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 42 to 51.
.THURSDAY...Mostly sunny. Warmer. Highs 68 to 76.
.THURSDAY NIGHT...Mostly clear in the evening...becoming partly
cloudy. Lows 46 to 56.
.FRIDAY...Mostly sunny. Highs 70 to 77.

$$

CAZ060-182100-
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley,
and Lucerne Valley
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 76 to 81. Light winds becoming east
10 mph this afternoon.
.TONIGHT...Mostly clear. Lows 48 to 55. Areas of winds east
10 mph in the evening becoming light.
.SUNDAY...Partly cloudy. Highs 77 to 83. Light winds becoming
west to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 48 to 55. Areas of winds
southwest 10 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs 78 to 83. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 49 to 56.
.TUESDAY...Mostly sunny. Highs 78 to 83.
.TUESDAY NIGHT...Mostly clear. Lows 46 to 52.
.WEDNESDAY...Mostly sunny. Highs 70 to 77.
.WEDNESDAY NIGHT...Mostly clear. Lows 47 to 53.
.THURSDAY...Mostly sunny. Highs 75 to 80.
.THURSDAY NIGHT...Mostly clear. Lows 49 to 55.
.FRIDAY...Mostly sunny. Highs 76 to 82.

$$

CAZ065-182100-
San Gorgonio Pass near Banning-
207 AM PDT Sat Oct 18 2025

.TODAY...Sunny. Highs around 83 through the pass to 84 to 88 in
the northern Coachella Valley. Areas of winds southeast 10 to
15 mph. Gusts to 25 mph this morning.
.TONIGHT...Mostly clear. Lows 56 to 59 through the pass to 66 in
the northern Coachella Valley. Areas of winds north 10 mph.
.SUNDAY...Mostly sunny. Highs 85 to 90. Areas of winds northeast
10 mph in the morning becoming light.
.SUNDAY NIGHT...Mostly clear. Lows 59 to 62 through the pass to
67 in the northern Coachella Valley. Areas of winds northwest
10 to 20 mph. Gusts to 25 mph...becoming 30 mph overnight.
.MONDAY...Mostly sunny. Highs around 86 through the pass to 87 to
91 in the northern Coachella Valley. Areas of winds north 10 to
15 mph with gusts to 30 mph in the morning becoming light.
.MONDAY NIGHT...Mostly clear. Lows 61 to 68.
.TUESDAY...Mostly sunny. Highs around 84 through the pass to
86 to 90 in the northern Coachella Valley.
.TUESDAY NIGHT...Mostly clear. Windy, cooler. Lows 54 to 62.
.WEDNESDAY...Mostly sunny. Windy. Highs around 74 through the
pass to 80 to 83 in the northern Coachella Valley.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 65.
.THURSDAY...Mostly sunny. Highs around 82 through the pass to
85 to 88 in the northern Coachella Valley.
.THURSDAY NIGHT...Mostly clear. Lows 60 to 67.
.FRIDAY...Mostly sunny. Highs around 83 through the pass to 85 to
89 in the northern Coachella Valley.

$$

CAZ061-182100-
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City,
Palm Desert, Palm Desert Country, La Quinta, and Coachella
207 AM PDT Sat Oct 18 2025

.TODAY...Sunny. Highs around 88. Areas of winds north to 10 mph
this morning becoming light.
.TONIGHT...Mostly clear in the evening...becoming partly cloudy.
Lows 61 to 66. Light winds.
.SUNDAY...Mostly sunny. Highs around 90. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 62 to 66. Light winds.
.MONDAY...Mostly sunny. Highs around 90. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 63 to 67.
.TUESDAY...Mostly sunny. Highs around 90.
.TUESDAY NIGHT...Mostly clear. Lows 58 to 62.
.WEDNESDAY...Mostly sunny. Highs 83 to 86.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 64.
.THURSDAY...Mostly sunny. Highs 86 to 89.
.THURSDAY NIGHT...Mostly clear. Lows 62 to 66.
.FRIDAY...Mostly sunny. Highs around 90.

$$

CAZ062-182100-
San Diego County Deserts-
Including the city of Borrego Springs
207 AM PDT Sat Oct 18 2025

.TODAY...Mostly sunny. Highs 84 to 88. Light winds.
.TONIGHT...Mostly clear. Lows 60 to 68. Light winds.
.SUNDAY...Mostly sunny. Highs around 90. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 61 to 69. Light winds.
.MONDAY...Mostly sunny. Highs 87 to 91. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 63 to 70.
.TUESDAY...Mostly sunny. Highs around 90.
.TUESDAY NIGHT...Mostly clear. Lows 57 to 63.
.WEDNESDAY...Mostly sunny. Highs 80 to 85.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 65.
.THURSDAY...Mostly sunny. Highs 85 to 88.
.THURSDAY NIGHT...Mostly clear. Lows 62 to 69.
.FRIDAY...Mostly sunny. Highs 86 to 89.

$$