FPUS56 KSGX 191855 ZFPSGX Zone Forecast Product for Extreme Southwest California National Weather Service San Diego CA 1155 AM PDT Tue May 19 2026 CAZ552-201000- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear this evening...becoming partly cloudy. Lows around 60. Areas of winds west 10 to 15 mph with gusts to 25 mph becoming southeast overnight. .WEDNESDAY...Partly cloudy. Highs 73 to 76 at the beaches to 78 to 82 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 60. Areas of winds south 10 mph. .THURSDAY...Patchy fog in the morning. Partly cloudy. Highs around 72 at the beaches to 75 to 79 farther inland and near higher coastal terrain. Areas of winds south 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows 55 to 59. Areas of winds south 10 mph. .FRIDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs around 70 at the beaches to 72 to 75 farther inland and near higher coastal terrain. .FRIDAY NIGHT...Mostly clear. Lows 54 to 58. .SATURDAY...Partly cloudy. Highs around 70 at the beaches to 70 to 74 farther inland and near higher coastal terrain. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 54 to 57. .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 58. .MEMORIAL DAY...Partly cloudy. Highs 67 to 72. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 55 to 59. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 67 to 71. $$ CAZ554-201000- Orange County Inland Areas- Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear this evening...becoming partly cloudy. Lows 57 to 62. Areas of winds west 10 mph this evening becoming light. .WEDNESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 80 to 83 towards the coast to 85 farther inland. Light winds becoming southwest 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 56 to 61. Areas of winds south 10 mph in the evening becoming light. .THURSDAY...Patchy fog in the morning. Partly cloudy. Highs around 78 towards the coast to 80 to 83 farther inland. Areas of winds south to 10 mph. .THURSDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 54 to 59. Areas of winds south 10 mph in the evening becoming light. .FRIDAY...Partly cloudy. Highs 75 to 79. .FRIDAY NIGHT...Mostly clear. Lows 52 to 57. .SATURDAY...Partly cloudy in the morning...becoming mostly sunny. Highs around 74 towards the coast to 75 to 78 farther inland. .SATURDAY NIGHT...Clear in the evening...becoming partly cloudy. Lows 52 to 57. .SUNDAY...Partly cloudy. Highs around 74 towards the coast to 75 to 78 farther inland. .SUNDAY NIGHT...Mostly clear. Lows 52 to 57. .MEMORIAL DAY...Partly cloudy. Highs 71 to 75. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 52 to 59. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 73. $$ CAZ043-201000- San Diego County Coastal Areas- Including the cities of Oceanside, Vista, Carlsbad, Encinitas, Chula Vista, National City, and San Diego 1155 AM PDT Tue May 19 2026 .TONIGHT...Partly cloudy. Patchy fog overnight. Lows 56 to 59. Areas of winds west 10 to 15 mph this evening becoming light. .WEDNESDAY...Partly cloudy. Highs 71 to 76 near the coast to 78 to 82 inland. Light winds becoming southwest 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 55 to 59. Areas of winds southwest 10 mph in the evening becoming light. .THURSDAY...Patchy fog in the morning. Partly cloudy. Highs 69 to 74 near the coast to 75 to 79 inland. Areas of winds south to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows 54 to 58. Areas of winds south 10 mph. .FRIDAY...Partly cloudy. Highs 68 to 73 near the coast to 73 to 76 inland. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 58. .SATURDAY...Partly cloudy. Highs 67 to 71 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 in the morning...becoming mostly sunny. Highs 67 to 71 near the coast to 72 to 75 inland. .SUNDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 58. .MEMORIAL DAY...Partly cloudy. Highs around 70 near the coast to 71 inland. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 54 to 59. .TUESDAY...Mostly cloudy in the morning...becoming partly cloudy. Highs around 70. $$ CAZ050-201000- San Diego County Valleys- Including the cities of Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway 1155 AM PDT Tue May 19 2026 .TONIGHT...Partly cloudy. Lows 53 to 57. Areas of winds west to 10 mph this evening becoming light. .WEDNESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 81 to 86. Light winds becoming west 10 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 53 to 57. Areas of winds west to 10 mph in the evening becoming light. .THURSDAY...Patchy fog in the morning. Partly cloudy. Highs 77 to 81 in the western valleys to 79 to 84 near the foothills. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Patchy fog. Lows 52 to 56. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 75 to 78 in the western valleys to 77 to 82 near the foothills. .FRIDAY NIGHT...Mostly clear. Lows 51 to 55. .SATURDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 74 to 77 in the western valleys to 77 to 82 near the foothills. .SATURDAY NIGHT...Mostly clear. Lows 51 to 55. .SUNDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 74 to 77 in the western valleys to 77 to 82 near the foothills. .SUNDAY NIGHT...Mostly clear. Lows 50 to 54. .MEMORIAL DAY...Partly cloudy in the morning...becoming mostly sunny. Highs 71 to 74 in the western valleys to 73 to 78 near the foothills. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 49 to 55. .TUESDAY...Partly cloudy. Highs 70 to 75. $$ CAZ048-201000- San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows 51 to 55 in wind sheltered areas to 53 to 59 in warmer locations. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light. .WEDNESDAY...Mostly sunny. Highs 85 to 91. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. 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 25 mph in the evening becoming light. .THURSDAY...Partly cloudy. Highs 84 to 90. Areas of winds west to 10 mph...becoming 10 to 20 mph with gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 51 to 54 in wind sheltered areas to 52 to 59 in warmer locations. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light. .FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 81 to 88. .FRIDAY NIGHT...Clear. Lows 50 to 57. .SATURDAY...Mostly sunny. Highs 81 to 88. .SATURDAY NIGHT...Mostly clear. Lows 50 to 56. .SUNDAY...Mostly sunny. Highs 81 to 88. .SUNDAY NIGHT...Clear. Lows 50 to 56. .MEMORIAL DAY...Mostly sunny. Highs 77 to 83. .MONDAY NIGHT...Mostly clear. Lows 49 to 55. .TUESDAY...Partly cloudy. Highs 74 to 80. $$ CAZ057-201000- Santa Ana Mountains and Foothills- 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows 51 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light. .WEDNESDAY...Mostly sunny. Highs 78 to 88. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 51 to 60. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light. .THURSDAY...Partly cloudy. Highs 75 to 85. Areas of winds southwest to 10 mph...becoming 10 to 15 mph with gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 48 to 57. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light. .FRIDAY...Partly cloudy. Patchy fog. Highs 72 to 82. .FRIDAY NIGHT...Mostly clear. Lows 46 to 54. .SATURDAY...Mostly sunny. Highs 72 to 81. .SATURDAY NIGHT...Mostly clear. Lows 46 to 54. .SUNDAY...Mostly sunny. Highs 72 to 81. .SUNDAY NIGHT...Mostly clear. Lows 46 to 53. .MEMORIAL DAY...Partly cloudy in the morning...becoming mostly sunny. Highs 68 to 77. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 46 to 53. .TUESDAY...Partly cloudy. Highs 66 to 75. $$ CAZ055-201000- San Bernardino County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows 33 to 43 above 6000 feet to 42 to 52 below 6000 feet. Areas of winds northeast 10 to 15 mph. Gusts to 25 mph this evening. .WEDNESDAY...Mostly sunny. Warmer. Highs 61 to 71 above 6000 feet to 71 to 79 below 6000 feet. Areas of winds north 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. Lows 37 to 47 above 6000 feet to 46 to 56 below 6000 feet. Areas of winds west 10 mph. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 63 to 73 above 6000 feet to 73 to 80 below 6000 feet. Areas of winds west to 10 mph...becoming southwest 10 to 20 mph with gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 38 to 48 above 6000 feet to 48 to 58 below 6000 feet. Areas of winds southwest 10 to 20 mph with gusts to 30 mph. .FRIDAY...Partly cloudy. Highs 64 to 74 above 6000 feet to 72 to 81 below 6000 feet. .FRIDAY NIGHT...Clear. Lows 42 to 52. .SATURDAY...Sunny. Highs 65 to 75 above 6000 feet to 73 to 81 below 6000 feet. .SATURDAY NIGHT...Clear. Lows 42 to 52. .SUNDAY...Mostly sunny. Highs 66 to 76 above 6000 feet to 73 to 82 below 6000 feet. .SUNDAY NIGHT...Clear. Lows 43 to 53. .MEMORIAL DAY...Sunny. Highs 65 to 75 above 6000 feet to 71 to 81 below 6000 feet. .MONDAY NIGHT...Clear. Lows 41 to 51. .TUESDAY...Mostly sunny. Highs 63 to 73 above 6000 feet to 67 to 77 below 6000 feet. $$ CAZ056-201000- Riverside County Mountains- Including the city of Idyllwild-Pine Cove 1155 AM PDT Tue May 19 2026 .TONIGHT...Partly cloudy this evening...becoming mostly clear. Lows 43 to 53. Areas of winds north to 10 mph. .WEDNESDAY...Mostly sunny. Highs 71 to 81. Areas of winds northeast 10 mph becoming west in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. Lows 47 to 57. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the evening. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 73 to 83. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 47 to 57. Areas of winds northwest 10 to 20 mph. Gusts to 30 mph...becoming 25 mph overnight. .FRIDAY...Partly cloudy. Highs 73 to 83. .FRIDAY NIGHT...Clear. Lows 46 to 56. .SATURDAY...Sunny. Highs 74 to 84. .SATURDAY NIGHT...Clear. Lows 46 to 56. .SUNDAY...Mostly sunny. Highs 74 to 84. .SUNDAY NIGHT...Clear. Lows 46 to 56. .MEMORIAL DAY...Sunny. Highs 73 to 83. .MONDAY NIGHT...Mostly clear. Lows 42 to 52. .TUESDAY...Mostly sunny. Highs 70 to 80. $$ CAZ058-201000- San Diego County Mountains- Including the cities of Julian and Pine Valley 1155 AM PDT Tue May 19 2026 .TONIGHT...Partly cloudy this evening...becoming mostly clear. Lows 45 to 55. Areas of winds north 10 mph. .WEDNESDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 73 to 82. Areas of winds northeast to 10 mph becoming west in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. Lows 47 to 57. Areas of winds west 10 to 15 mph. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 74 to 83. Areas of winds northwest to 10 mph becoming west with gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 46 to 56. Areas of winds west 10 to 15 mph becoming north overnight. Gusts to 30 mph. .FRIDAY...Partly cloudy. Highs 74 to 83. .FRIDAY NIGHT...Clear. Lows 47 to 56. .SATURDAY...Mostly sunny. Highs 75 to 84. .SATURDAY NIGHT...Mostly clear. Lows 47 to 55. .SUNDAY...Mostly sunny. Highs 75 to 85. .SUNDAY NIGHT...Clear. Lows 46 to 54. .MEMORIAL DAY...Mostly sunny. Highs 72 to 82. .MONDAY NIGHT...Mostly clear. Lows 44 to 50. .TUESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 68 to 78. $$ CAZ060-201000- Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, Apple Valley, and Lucerne Valley 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows 47 to 54. Areas of winds north to 10 mph becoming west overnight. .WEDNESDAY...Mostly sunny. Highs 81 to 87. Areas of winds west to 10 mph becoming north 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 51 to 58. Areas of winds west 10 to 15 mph. .THURSDAY...Mostly sunny. Highs 86 to 92. Areas of winds west 10 to 20 mph. Gusts to 30 mph in the afternoon. .THURSDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 53 to 61. Areas of winds west 15 to 25 mph. Gusts to 35 mph...becoming 30 mph overnight. .FRIDAY...Partly cloudy. Highs 87 to 94. .FRIDAY NIGHT...Clear. Lows 52 to 61. .SATURDAY...Sunny. Highs 87 to 94. .SATURDAY NIGHT...Clear. Lows 51 to 61. .SUNDAY...Sunny. Highs 88 to 94. .SUNDAY NIGHT...Clear. Lows 51 to 61. .MEMORIAL DAY...Sunny. Highs 87 to 94. .MONDAY NIGHT...Clear. Lows 51 to 60. .TUESDAY...Sunny. Highs 83 to 92. $$ CAZ065-201000- San Gorgonio Pass near Banning- 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows around 58 through the pass to 67 in the northern Coachella Valley. Areas of winds north 10 to 15 mph. Gusts to 25 mph overnight. .WEDNESDAY...Mostly sunny. Highs around 89 through the pass to 92 to 96 in the northern Coachella Valley. Areas of winds north 10 to 15 mph with gusts to 25 mph becoming southeast in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 61 through the pass to 69 to 72 in the northern Coachella Valley. Areas of winds west 10 to 20 mph. Gusts to 35 mph...becoming 30 mph overnight. .THURSDAY...Mostly sunny. Highs around 91 through the pass to 95 to 98 in the northern Coachella Valley. Areas of winds west 10 to 15 mph with gusts to 30 mph becoming south 15 to 25 mph with gusts to 35 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. Areas of blowing sand and blowing dust in the evening. Lows around 62 through the pass to 71 in the northern Coachella Valley. Areas of winds west 20 to 30 mph. Gusts to 50 mph... becoming 45 mph overnight. .FRIDAY...Partly cloudy. Highs 89 to 92 through the pass to 94 to 98 in the northern Coachella Valley. .FRIDAY NIGHT...Clear. Lows 61 to 71. .SATURDAY...Sunny. Highs 89 to 92 through the pass to 94 to 97 in the northern Coachella Valley. .SATURDAY NIGHT...Clear. Lows 61 to 71. .SUNDAY...Sunny. Highs around 91 through the pass to 95 to 98 in the northern Coachella Valley. .SUNDAY NIGHT...Clear. Lows 61 to 71. .MEMORIAL DAY...Sunny. Highs around 88 through the pass to 93 to 97 in the northern Coachella Valley. .MONDAY NIGHT...Clear, breezy. Lows 57 to 67. .TUESDAY...Sunny. Highs around 84 through the pass to 90 to 95 in the northern Coachella Valley. $$ CAZ061-201000- Coachella Valley- Including the cities of Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows 64 to 67. Areas of winds north 10 mph. .WEDNESDAY...Mostly sunny. Highs 95 to 99. Areas of winds northwest to 10 mph becoming south 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 66 to 70. Areas of winds northwest 10 to 15 mph with gusts to 25 mph. .THURSDAY...Mostly sunny. Highs around 100. Areas of winds southeast to 10 mph...becoming 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 66 to 71. Areas of winds northwest 10 to 20 mph with gusts to 35 mph becoming southeast with gusts to 30 mph overnight. .FRIDAY...Partly cloudy. Highs 96 to 99. .FRIDAY NIGHT...Clear. Lows 66 to 70. .SATURDAY...Sunny. Highs 96 to 99. .SATURDAY NIGHT...Clear. Lows 67 to 71. .SUNDAY...Sunny. Highs around 100. .SUNDAY NIGHT...Clear. Lows 67 to 71. .MEMORIAL DAY...Sunny. Highs 97 to 101. .MONDAY NIGHT...Clear. Lows 64 to 69. .TUESDAY...Sunny. Highs 95 to 99. $$ CAZ062-201000- San Diego County Deserts- Including the city of Borrego Springs 1155 AM PDT Tue May 19 2026 .TONIGHT...Mostly clear. Lows 61 to 70. Areas of winds west to 10 mph...becoming 10 to 15 mph overnight. .WEDNESDAY...Mostly sunny. Highs 93 to 97. Areas of winds west to 10 mph becoming east 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 64 to 72. Areas of winds west 10 to 15 mph with gusts to 30 mph. .THURSDAY...Mostly sunny. Highs 95 to 99. Areas of winds east to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 64 to 73. Areas of winds west 15 to 25 mph. Gusts to 40 mph...becoming 30 mph overnight. .FRIDAY...Partly cloudy. Highs 95 to 100. .FRIDAY NIGHT...Clear. Lows 64 to 73. .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. Lows 62 to 70. .TUESDAY...Sunny. Highs 93 to 97. $$