


Zone Forecast Product
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
597 FPUS56 KSGX 040900 ZFPSGX Zone Forecast Product for Extreme Southwest California National Weather Service San Diego CA 200 AM PDT Thu Sep 4 2025 CAZ552-042145- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 200 AM PDT Thu Sep 4 2025 .TODAY...Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 75 to 79 at the beaches to 81 to 86 farther inland and near higher coastal terrain. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph this afternoon. .TONIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 66. Areas of winds southwest 10 to 15 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 74 to 77 at the beaches to 80 to 85 farther inland and near higher coastal terrain. Areas of winds southwest to 10 mph. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 65. Areas of winds southwest 10 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 73 to 76 at the beaches to 78 to 83 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 63. .SUNDAY...Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 78 at the beaches to 80 to 85 farther inland and near higher coastal terrain. .SUNDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 61 to 65. .MONDAY...Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 72 to 75 at the beaches to 77 to 81 farther inland and near higher coastal terrain. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 61 to 65. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 71 to 75 at the beaches to 76 to 80 farther inland and near higher coastal terrain. .TUESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 61 to 65. .WEDNESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 70 to 73 at the beaches to 75 to 78 farther inland and near higher coastal terrain. $$ CAZ554-042145- Orange County Inland Areas- Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny. Highs 83 to 86 towards the coast to 90 farther inland. Light winds becoming southwest 10 mph this afternoon. .TONIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 67. Areas of winds southwest 10 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming sunny. Highs 81 to 84 towards the coast to 87 farther inland. Areas of winds southwest to 10 mph. .FRIDAY NIGHT...Clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 60 to 65. Areas of winds southwest 10 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 80 to 83 towards the coast to 86 farther inland. Light winds becoming southwest 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 60 to 64. .SUNDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 81 to 84 towards the coast to 86 farther inland. .SUNDAY NIGHT...Clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 59 to 65. .MONDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs around 80 towards the coast to 83 farther inland. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 58 to 64. .TUESDAY...Patchy fog in the morning. Partly cloudy. Highs around 80. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 58 to 65. .WEDNESDAY...Mostly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 76 to 80. $$ CAZ043-042145- San Diego County Coastal Areas- Including the cities of Oceanside, Vista, Carlsbad, Encinitas, Chula Vista, National City, and San Diego 200 AM PDT Thu Sep 4 2025 .TODAY...Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 74 to 79 near the coast to 81 to 86 inland. Areas of winds northwest to 10 mph. .TONIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 67. Areas of winds west 10 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 73 to 78 near the coast to 80 to 84 inland. Areas of winds west to 10 mph. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 60 to 65. Areas of winds west 10 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 73 to 78 near the coast to 78 to 83 inland. Light winds becoming west 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 61 to 65. .SUNDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 74 to 79 near the coast to 80 to 85 inland. .SUNDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 60 to 64. .MONDAY...Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 72 to 77 near the coast to 77 to 81 inland. .MONDAY NIGHT...Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 59 to 64. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 70 to 75 near the coast to 75 to 79 inland. .TUESDAY NIGHT...Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 60 to 64. .WEDNESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 72 to 77. $$ CAZ050-042145- San Diego County Valleys- Including the cities of Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs 84 to 89 in the western valleys to 88 to 93 near the foothills. Light winds becoming west 10 to 15 mph this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Mostly clear. Lows 62 to 67. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Patchy fog in the morning. Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 82 to 87 in the western valleys to 85 to 90 near the foothills. Light winds becoming west 10 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Mostly clear. Lows 61 to 65. Areas of winds west to 10 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 81 to 86 in the western valleys to 84 to 89 near the foothills. Light winds becoming west 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 61 to 65. .SUNDAY...Partly cloudy with patchy fog in the morning...becoming sunny. Highs 85 to 90. .SUNDAY NIGHT...Mostly clear. Lows 58 to 62. .MONDAY...Partly cloudy with patchy fog in the morning...becoming sunny. Highs 79 to 83 in the western valleys to 81 to 86 near the foothills. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 60. .TUESDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 77 to 82. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 55 to 60. .WEDNESDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 75 to 80. $$ CAZ048-042145- San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona 200 AM PDT Thu Sep 4 2025 .TODAY...Sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs 93 to 99. Light winds becoming west 10 to 15 mph with gusts to 25 mph this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Mostly clear. Lows 62 to 68. Areas of winds west 10 to 15 mph in the evening becoming light. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs 90 to 96. Light winds becoming southwest 10 to 15 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Clear. Lows 61 to 66. Areas of winds southwest to 10 mph in the evening becoming light. .SATURDAY...Mostly sunny. Highs 89 to 95. Light winds becoming southwest 10 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows 61 to 65. .SUNDAY...Mostly sunny. Highs 89 to 95. .SUNDAY NIGHT...Clear. Lows 58 to 63. .MONDAY...Mostly sunny. Highs 85 to 90. .MONDAY NIGHT...Mostly clear. Lows 55 to 60. .TUESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 81 to 87. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 59. .WEDNESDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 79 to 84. $$ CAZ057-042145- Santa Ana Mountains and Foothills- 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny. Highs 86 to 96. Light winds becoming west 10 to 15 mph with gusts to 25 mph this afternoon. .TONIGHT...Mostly clear. Cooler. Lows 60 to 68. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light. .FRIDAY...Mostly sunny. Highs 83 to 93. Light winds becoming west 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 58 to 67. Areas of winds southwest to 10 mph in the evening becoming light. .SATURDAY...Mostly sunny. Highs 82 to 92. Light winds becoming southwest 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 57 to 66. .SUNDAY...Mostly sunny. Highs 82 to 92. .SUNDAY NIGHT...Mostly clear. Lows 55 to 64. .MONDAY...Mostly sunny. Highs 78 to 88. .MONDAY NIGHT...Clear in the evening...becoming partly cloudy. Lows 54 to 62. .TUESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 85. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 54 to 62. .WEDNESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 73 to 83. $$ CAZ055-042145- San Bernardino County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs 67 to 77 above 6000 feet to 79 to 87 below 6000 feet. Areas of winds southeast to 10 mph becoming south this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Partly cloudy in the evening...becoming mostly clear. Cooler. Lows 45 to 55 above 6000 feet to 56 to 66 below 6000 feet. Areas of winds southwest 10 mph. .FRIDAY...Sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 67 to 77 above 6000 feet to 77 to 86 below 6000 feet. Areas of winds south to 10 mph becoming southwest in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Mostly clear. Lows 45 to 55 above 6000 feet to 55 to 65 below 6000 feet. Areas of winds southwest 10 mph. .SATURDAY...Mostly sunny. Highs 67 to 77 above 6000 feet to 76 to 85 below 6000 feet. Light winds becoming southwest 10 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows 48 to 58. .SUNDAY...Sunny. Highs 67 to 77 above 6000 feet to 77 to 85 below 6000 feet. .SUNDAY NIGHT...Clear. Lows 45 to 55. .MONDAY...Sunny. Highs 65 to 75 above 6000 feet to 74 to 83 below 6000 feet. .MONDAY NIGHT...Mostly clear. Lows 43 to 53. .TUESDAY...Mostly sunny. Highs 62 to 72 above 6000 feet to 69 to 79 below 6000 feet. .TUESDAY NIGHT...Mostly clear. Lows 41 to 51. .WEDNESDAY...Mostly sunny. Highs 60 to 70 above 6000 feet to 67 to 76 below 6000 feet. $$ CAZ056-042145- Riverside County Mountains- Including the city of Idyllwild-Pine Cove 200 AM PDT Thu Sep 4 2025 .TODAY...Sunny this morning, then partly cloudy with a chance of showers and thunderstorms this afternoon. Highs 77 to 87. Light winds becoming west 10 mph this afternoon. Chance of measurable precipitation 30 percent. .TONIGHT...Partly cloudy in the evening...becoming mostly clear. Cooler. Lows 51 to 61. Light winds. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 75 to 85. Areas of winds east to 10 mph becoming southwest 10 mph in the afternoon. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Mostly clear. Lows 51 to 61. Areas of winds west to 10 mph. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 76 to 86. Light winds becoming west 10 mph in the afternoon. Chance of measurable precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 51 to 61. .SUNDAY...Sunny. Highs 77 to 87. .SUNDAY NIGHT...Clear. Lows 48 to 58. .MONDAY...Sunny. Highs 75 to 85. .MONDAY NIGHT...Mostly clear. Lows 45 to 55. .TUESDAY...Mostly sunny. Highs 71 to 81. .TUESDAY NIGHT...Mostly clear. Lows 42 to 52. .WEDNESDAY...Mostly sunny. Highs 69 to 79. $$ CAZ058-042145- San Diego County Mountains- Including the cities of Julian and Pine Valley 200 AM PDT Thu Sep 4 2025 .TODAY...Sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs 81 to 89. Areas of winds east to 10 mph becoming west 10 mph this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Partly cloudy in the evening...becoming mostly clear. Cooler. Lows 56 to 66. Light winds. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 79 to 87. Areas of winds east 10 mph becoming west in the afternoon. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Mostly clear. Lows 57 to 67. Light winds becoming west to 10 mph overnight. .SATURDAY...Sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 79 to 87. Light winds becoming west 10 mph in the afternoon. Chance of measurable precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 56 to 66. .SUNDAY...Sunny. Highs 80 to 88. .SUNDAY NIGHT...Clear. Lows 53 to 63. .MONDAY...Sunny. Highs 77 to 86. .MONDAY NIGHT...Mostly clear. Lows 49 to 59. .TUESDAY...Mostly sunny. Highs 73 to 82. .TUESDAY NIGHT...Mostly clear. Lows 47 to 57. .WEDNESDAY...Mostly sunny. Highs 71 to 80. $$ CAZ060-042145- Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, Apple Valley, and Lucerne Valley 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs 92 to 97. Light winds becoming south 10 to 15 mph with gusts to 25 mph this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Mostly clear. Lows 65 to 71. Areas of winds south 10 to 15 mph with gusts to 25 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs 90 to 97. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Mostly clear. Lows 61 to 69. Areas of winds southwest 10 to 15 mph. Gusts to 25 mph in the evening. .SATURDAY...Mostly sunny. Highs 90 to 95. Light winds becoming southwest 10 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows 59 to 67. .SUNDAY...Sunny. Highs 90 to 95. .SUNDAY NIGHT...Clear. Lows 58 to 65. .MONDAY...Sunny. Highs 87 to 94. .MONDAY NIGHT...Clear. Lows 56 to 63. .TUESDAY...Mostly sunny. Highs 82 to 91. .TUESDAY NIGHT...Mostly clear. Lows 53 to 60. .WEDNESDAY...Mostly sunny. Highs 80 to 89. $$ CAZ065-042145- San Gorgonio Pass near Banning- 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs around 95 through the pass to 100 in the northern Coachella Valley. Areas of winds south 10 to 15 mph. Chance of measurable precipitation 20 percent. .TONIGHT...Partly cloudy in the evening...becoming mostly clear. Not as warm. Lows around 70 through the pass to 75 to 78 in the northern Coachella Valley. Areas of winds west 10 to 15 mph with gusts to 25 mph becoming south overnight. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 93 to 97. Areas of winds southeast to 10 mph becoming south in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Mostly clear. Lows around 71 through the pass to 77 in the northern Coachella Valley. Areas of winds west 10 to 20 mph. Gusts to 25 mph in the evening. .SATURDAY...Mostly sunny in the morning...becoming partly cloudy. Highs around 93 through the pass to 95 to 99 in the northern Coachella Valley. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows 70 to 78. .SUNDAY...Sunny. Highs around 94 through the pass to 100 in the northern Coachella Valley. .SUNDAY NIGHT...Clear. Lows 67 to 76. .MONDAY...Sunny. Highs around 91 through the pass to 96 to 100 in the northern Coachella Valley. .MONDAY NIGHT...Clear, breezy. Lows 64 to 73. .TUESDAY...Mostly sunny. Breezy. Highs 85 to 88 through the pass to 92 to 95 in the northern Coachella Valley. .TUESDAY NIGHT...Mostly clear. Windy. Lows 61 to 70. .WEDNESDAY...Mostly sunny. Breezy. Highs around 85 through the pass to 90 to 94 in the northern Coachella Valley. $$ CAZ061-042145- Coachella Valley- Including the cities of Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs 98 to 102. Light winds becoming southeast 10 mph this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Partly cloudy in the evening...becoming mostly clear. Lows 72 to 78. Areas of winds southeast 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight. .FRIDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 95 to 98. Light winds becoming southeast 10 mph in the afternoon. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Mostly clear. Lows 73 to 78. Areas of winds south 10 mph becoming west to 10 mph overnight. .SATURDAY...Mostly sunny in the morning...becoming partly cloudy. Highs around 100. Light winds. .SATURDAY NIGHT...Mostly clear. Lows 72 to 77. .SUNDAY...Sunny. Highs 99 to 102. .SUNDAY NIGHT...Clear. Lows 71 to 75. .MONDAY...Sunny. Highs around 100. .MONDAY NIGHT...Mostly clear. Lows 69 to 73. .TUESDAY...Mostly sunny. Highs 95 to 98. .TUESDAY NIGHT...Mostly clear. Lows 66 to 70. .WEDNESDAY...Sunny. Highs 93 to 97. $$ CAZ062-042145- San Diego County Deserts- Including the city of Borrego Springs 200 AM PDT Thu Sep 4 2025 .TODAY...Mostly sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs 97 to 102. Light winds becoming east 10 mph this afternoon. Chance of measurable precipitation 20 percent. .TONIGHT...Partly cloudy in the evening...becoming mostly clear. Not as warm. Lows 72 to 79. Areas of winds southwest to 10 mph in the evening becoming light. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 94 to 98. Light winds becoming southeast 10 mph in the afternoon. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Mostly clear. Lows 73 to 82. Areas of winds west to 10 mph. .SATURDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 96 to 100. Light winds. .SATURDAY NIGHT...Mostly clear. Lows 73 to 82. .SUNDAY...Sunny. Highs 99 to 103. .SUNDAY NIGHT...Clear. Lows 70 to 78. .MONDAY...Sunny. Highs 98 to 102. .MONDAY NIGHT...Mostly clear. Lows 67 to 75. .TUESDAY...Mostly sunny. Highs 94 to 98. .TUESDAY NIGHT...Mostly clear. Lows 64 to 72. .WEDNESDAY...Sunny. Highs 93 to 97. $$ 17