FPUS56 KSGX 201829 ZFPSGX Zone Forecast Product for Extreme Southwest California National Weather Service San Diego CA 1129 AM PDT Wed May 20 2026 CAZ552-211000- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 57 to 61. Areas of winds south 10 mph. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 71 to 74 at the beaches to 75 to 79 farther inland and near higher coastal terrain. Areas of winds south to 10 mph. .THURSDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 55 to 59. Areas of winds southwest 10 mph in the evening becoming light. .FRIDAY...Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs around 70 at the beaches to 72 to 75 farther inland and near higher coastal terrain. Areas of winds south to 10 mph becoming southwest in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 54 to 58. Areas of winds southwest 10 mph in the evening becoming light. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs around 69 at the beaches to 71 to 75 farther inland and near higher coastal terrain. .SATURDAY NIGHT...Clear in the evening...becoming partly cloudy. Lows 54 to 58. .SUNDAY...Partly cloudy. Highs around 70 at the beaches to 70 to 74 farther inland and near higher coastal terrain. .SUNDAY NIGHT...Clear in the evening...becoming partly cloudy. Lows 54 to 57. .MEMORIAL DAY...Partly cloudy. Highs around 67 at the beaches to 70 farther inland and near higher coastal terrain. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 57. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 65 to 69. .TUESDAY NIGHT...Partly cloudy. Lows 54 to 57. .WEDNESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 65 to 69. $$ CAZ554-211000- Orange County Inland Areas- Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 56 to 61. Areas of winds south 10 mph with gusts to 25 mph this evening becoming light. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs around 80 towards the coast to 82 farther inland. Areas of winds south to 10 mph. Gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 54 to 59. Areas of winds southwest 10 mph with gusts to 25 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 79. Areas of winds south to 10 mph. Gusts to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 57. Areas of winds southwest 10 mph with gusts to 25 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 74 to 78. .SATURDAY NIGHT...Mostly clear. Lows 52 to 57. .SUNDAY...Partly cloudy in the morning...becoming mostly sunny. Highs around 74 towards the coast to 75 to 78 farther inland. .SUNDAY NIGHT...Clear in the evening...becoming partly cloudy. Lows 51 to 57. .MEMORIAL DAY...Partly cloudy. Highs 71 to 74. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 51 to 57. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs around 70. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 51 to 56. .WEDNESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 67 to 71. $$ CAZ043-211000- San Diego County Coastal Areas- Including the cities of Oceanside, Vista, Carlsbad, Encinitas, Chula Vista, National City, and San Diego 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 55 to 59. Light winds. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 70 to 75 near the coast to 76 to 79 inland. Areas of winds southwest to 10 mph. .THURSDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 54 to 58. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 68 to 73 near the coast to 73 to 77 inland. Areas of winds west to 10 mph...becoming 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 53 to 58. Areas of winds west 10 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 67 to 72 near the coast to 72 to 75 inland. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 58. .SUNDAY...Partly cloudy. Highs 67 to 71 near the coast to 73 inland. .SUNDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 52 to 58. .MEMORIAL DAY...Partly cloudy. Highs 66 to 70 near the coast to 71 inland. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 57. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 66 to 69. .TUESDAY NIGHT...Partly cloudy in the evening...becoming mostly cloudy. Lows 53 to 57. .WEDNESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 65 to 68. $$ CAZ050-211000- San Diego County Valleys- Including the cities of Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway 1129 AM PDT Wed May 20 2026 .TONIGHT...Clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 53 to 57. Areas of winds west to 10 mph this evening becoming light. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming sunny. Highs 80 to 85. Areas of winds west to 10 mph... becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 56. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 79 in the western valleys to 77 to 82 near the foothills. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 51 to 55. Areas of winds west to 10 mph in the evening becoming light. .SATURDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 74 to 78 in the western valleys to 77 to 82 near the foothills. .SATURDAY NIGHT...Mostly clear. Lows 51 to 55. .SUNDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 73 to 76 in the western valleys to 77 to 82 near the foothills. .SUNDAY NIGHT...Mostly clear. Lows 50 to 54. .MEMORIAL DAY...Partly cloudy in the morning...becoming mostly sunny. Highs 71 to 74 in the western valleys to 73 to 78 near the foothills. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 49 to 53. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 67 to 72. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 48 to 53. .WEDNESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 65 to 70. $$ CAZ048-211000- San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows 52 to 55 in wind sheltered areas to 53 to 60 in warmer locations. Areas of winds west 10 to 15 mph with gusts to 30 mph this evening becoming light. .THURSDAY...Mostly sunny. Highs 84 to 91. Areas of winds north to 10 mph becoming west with gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 51 to 55 in wind sheltered areas to 52 to 59 in warmer locations. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light. .FRIDAY...Mostly sunny. Highs 82 to 89. Areas of winds southwest to 10 mph becoming west with gusts to 30 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 50 to 54 in wind sheltered areas to 51 to 58 in warmer locations. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light. .SATURDAY...Mostly sunny. Highs 81 to 88. .SATURDAY NIGHT...Clear. Lows 50 to 57. .SUNDAY...Mostly sunny. Highs 81 to 87. .SUNDAY NIGHT...Clear. Lows 49 to 55. .MEMORIAL DAY...Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 83. .MONDAY NIGHT...Mostly clear. Lows 48 to 54. .TUESDAY...Partly cloudy. Highs 70 to 76. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 48 to 53. .WEDNESDAY...Partly cloudy. Highs 68 to 74. $$ CAZ057-211000- Santa Ana Mountains and Foothills- 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Cooler. Lows 51 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light. .THURSDAY...Mostly sunny. Highs 76 to 86. Areas of winds southwest to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 49 to 57. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light. .FRIDAY...Mostly sunny. Highs 72 to 82. Areas of winds southwest 10 to 15 mph. Gusts to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 47 to 55. Areas of winds southwest 10 to 15 mph in the evening becoming light. .SATURDAY...Mostly sunny. Highs 71 to 81. .SATURDAY NIGHT...Mostly clear. Lows 46 to 54. .SUNDAY...Mostly sunny. Highs 71 to 80. .SUNDAY NIGHT...Mostly clear. Lows 45 to 53. .MEMORIAL DAY...Partly cloudy in the morning...becoming mostly sunny. Highs 67 to 76. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 44 to 52. .TUESDAY...Partly cloudy. Highs 63 to 71. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 44 to 52. .WEDNESDAY...Partly cloudy. Highs 62 to 70. $$ CAZ055-211000- San Bernardino County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows 37 to 47 above 6000 feet to 46 to 56 below 6000 feet. Areas of winds west to 10 mph. .THURSDAY...Sunny. Highs 63 to 73 above 6000 feet to 73 to 81 below 6000 feet. Areas of winds west to 10 mph becoming southwest with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Clear. Lows 39 to 49 above 6000 feet to 48 to 58 below 6000 feet. Areas of winds southwest 10 to 15 mph. Gusts to 25 mph in the evening. .FRIDAY...Mostly sunny. Highs 64 to 74 above 6000 feet to 73 to 81 below 6000 feet. Areas of winds southwest to 10 mph...becoming 10 to 15 mph with gusts to 30 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 39 to 49 above 6000 feet to 47 to 57 below 6000 feet. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the evening. .SATURDAY...Mostly sunny. Highs 65 to 75 above 6000 feet to 73 to 81 below 6000 feet. .SATURDAY NIGHT...Clear. Lows 43 to 53. .SUNDAY...Sunny. Highs 66 to 76 above 6000 feet to 73 to 82 below 6000 feet. .SUNDAY NIGHT...Clear. Lows 42 to 52. .MEMORIAL DAY...Sunny. Highs 64 to 74 above 6000 feet to 69 to 79 below 6000 feet. .MONDAY NIGHT...Mostly clear. Lows 39 to 49. .TUESDAY...Mostly sunny. Highs 59 to 69 above 6000 feet to 64 to 74 below 6000 feet. .TUESDAY NIGHT...Mostly clear. Breezy. Lows 37 to 47. .WEDNESDAY...Mostly sunny. Highs 56 to 66 above 6000 feet to 61 to 71 below 6000 feet. $$ CAZ056-211000- Riverside County Mountains- Including the city of Idyllwild-Pine Cove 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows 46 to 56. Areas of winds northwest 10 mph. .THURSDAY...Sunny. Highs 73 to 83. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Clear. Lows 47 to 57. Areas of winds west 10 to 15 mph. .FRIDAY...Sunny. Highs 73 to 83. Areas of winds west to 10 mph... becoming 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 46 to 56. Areas of winds west to 10 mph. .SATURDAY...Sunny. Highs 73 to 83. .SATURDAY NIGHT...Clear. Lows 47 to 57. .SUNDAY...Sunny. Highs 74 to 84. .SUNDAY NIGHT...Clear. Lows 45 to 55. .MEMORIAL DAY...Sunny. Highs 72 to 82. .MONDAY NIGHT...Clear. Lows 41 to 51. .TUESDAY...Mostly sunny. Highs 65 to 75. .TUESDAY NIGHT...Mostly clear. Breezy. Lows 39 to 49. .WEDNESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 63 to 73. $$ CAZ058-211000- San Diego County Mountains- Including the cities of Julian and Pine Valley 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows 47 to 57. Areas of winds west 10 mph. .THURSDAY...Mostly sunny. Highs 75 to 84. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Clear. Lows 47 to 57. Areas of winds west 10 to 15 mph. .FRIDAY...Sunny. Highs 74 to 83. Areas of winds west to 10 mph... becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 46 to 56. Areas of winds west 10 to 15 mph with gusts to 25 mph...becoming to 10 mph overnight. .SATURDAY...Sunny. Highs 74 to 83. .SATURDAY NIGHT...Clear. Lows 47 to 56. .SUNDAY...Sunny. Highs 75 to 85. .SUNDAY NIGHT...Clear. Lows 46 to 54. .MEMORIAL DAY...Mostly sunny. Highs 71 to 81. .MONDAY NIGHT...Mostly clear. Lows 42 to 49. .TUESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 64 to 74. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 42 to 48. .WEDNESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 60 to 70. $$ CAZ060-211000- Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, Apple Valley, and Lucerne Valley 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows 51 to 58. Areas of winds west 10 mph. .THURSDAY...Sunny. Highs 86 to 92. Areas of winds west 10 mph. .THURSDAY NIGHT...Clear. Lows 54 to 61. Areas of winds southwest 10 to 20 mph. Gusts to 30 mph in the evening. .FRIDAY...Mostly sunny. Highs 87 to 94. Areas of winds west 10 to 20 mph. Gusts to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 53 to 61. Areas of winds south 10 to 20 mph. Gusts to 30 mph...becoming 25 mph overnight. .SATURDAY...Sunny. Highs 88 to 94. .SATURDAY NIGHT...Clear. Lows 52 to 62. .SUNDAY...Sunny. Highs 88 to 94. .SUNDAY NIGHT...Clear. Lows 51 to 60. .MEMORIAL DAY...Sunny. Highs 85 to 94. .MONDAY NIGHT...Mostly clear. Breezy. Lows 49 to 58. .TUESDAY...Sunny, windy. Highs 80 to 90. .TUESDAY NIGHT...Clear, windy. Lows 45 to 55. .WEDNESDAY...Sunny. Highs 76 to 85. $$ CAZ065-211000- San Gorgonio Pass near Banning- 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows around 61 through the pass to 70 in the northern Coachella Valley. Areas of winds northwest 10 to 15 mph. Gusts to 30 mph...becoming 25 mph overnight. .THURSDAY...Sunny. Highs around 91 through the pass to 95 to 98 in the northern Coachella Valley. Areas of winds west 10 to 20 mph. Gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Clear. Lows around 62 through the pass to 71 in the northern Coachella Valley. Areas of winds west 15 to 25 mph with gusts to 35 mph becoming northwest 10 to 15 mph with gusts to 25 mph overnight. .FRIDAY...Sunny. Highs 89 to 92 through the pass to 94 to 98 in the northern Coachella Valley. Areas of winds west to 10 mph... becoming south 10 to 20 mph with gusts to 30 mph in the afternoon. .FRIDAY NIGHT...Clear. Lows around 62 through the pass to 71 in the northern Coachella Valley. Areas of winds west 10 to 20 mph with gusts to 35 mph...becoming to 10 mph overnight. .SATURDAY...Sunny. Highs 89 to 92 through the pass to 93 to 97 in the northern Coachella Valley. .SATURDAY NIGHT...Clear. Lows 62 to 72. .SUNDAY...Sunny. Highs around 91 through the pass to 95 to 98 in the northern Coachella Valley. .SUNDAY NIGHT...Clear, breezy. Lows 61 to 71. .MEMORIAL DAY...Sunny, breezy. Highs 86 to 89 through the pass to 94 to 98 in the northern Coachella Valley. .MONDAY NIGHT...Clear. Very windy. Lows 57 to 67. .TUESDAY...Sunny, windy. Highs around 80 through the pass to 86 to 91 in the northern Coachella Valley. .TUESDAY NIGHT...Mostly clear. Strong winds. Lows 54 to 64. .WEDNESDAY...Mostly sunny. Breezy. Highs around 77 through the pass to 82 to 87 in the northern Coachella Valley. $$ CAZ061-211000- Coachella Valley- Including the cities of Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella 1129 AM PDT Wed May 20 2026 .TONIGHT...Mostly clear. Lows 66 to 70. Areas of winds northwest 10 mph. .THURSDAY...Sunny. Highs around 100. Areas of winds northwest to 10 mph becoming southeast in the afternoon. .THURSDAY NIGHT...Clear. Lows 66 to 70. Areas of winds northwest 10 to 15 mph...becoming to 10 mph overnight. .FRIDAY...Sunny. Highs 96 to 99. Areas of winds southeast to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .FRIDAY NIGHT...Clear. Lows 66 to 70. Areas of winds northwest to 10 mph. .SATURDAY...Sunny. Highs 96 to 99. .SATURDAY NIGHT...Clear. Lows 67 to 71. .SUNDAY...Sunny. Highs around 98. .SUNDAY NIGHT...Clear. Lows 67 to 71. .MEMORIAL DAY...Sunny. Highs 97 to 101. .MONDAY NIGHT...Clear, breezy. Lows 63 to 68. .TUESDAY...Sunny. Highs 92 to 97. .TUESDAY NIGHT...Clear, windy. Lows 61 to 65. .WEDNESDAY...Sunny. Highs 88 to 92. $$ CAZ062-211000- San Diego County Deserts- Including the city of Borrego Springs 1129 AM PDT Wed May 20 2026 .TONIGHT...Clear. Lows 64 to 72. Areas of winds west 10 to 15 mph. .THURSDAY...Sunny. Highs 95 to 100. Areas of winds east to 10 mph. .THURSDAY NIGHT...Clear. Lows 65 to 73. Areas of winds west 10 to 15 mph. .FRIDAY...Sunny. Highs 96 to 100. Areas of winds west to 10 mph becoming southeast 10 mph in the afternoon. .FRIDAY NIGHT...Clear. Lows 64 to 73. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the evening. .SATURDAY...Sunny. Highs 95 to 99. .SATURDAY NIGHT...Clear. Lows 65 to 73. .SUNDAY...Sunny. Highs 96 to 101. .SUNDAY NIGHT...Clear. Lows 64 to 72. .MEMORIAL DAY...Sunny. Highs 96 to 100. .MONDAY NIGHT...Clear, breezy. Lows 60 to 68. .TUESDAY...Sunny. Highs 89 to 94. .TUESDAY NIGHT...Clear, windy. Lows 58 to 66. .WEDNESDAY...Sunny. Highs 85 to 90. $$