


Zone Forecast Product
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
023 FPUS56 KSGX 210902 ZFPSGX Zone Forecast Product for Extreme Southwest California National Weather Service San Diego CA 202 AM PDT Thu Aug 21 2025 CAZ552-212230- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 202 AM PDT Thu Aug 21 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs 78 to 82 at the beaches to 84 to 89 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph this afternoon. .TONIGHT...Partly cloudy. Lows around 68. Areas of winds south 10 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 79 to 83 at the beaches to 85 to 90 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 70. Areas of winds south 10 mph in the evening becoming light. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs 79 to 82 at the beaches to 84 to 89 farther inland and near higher coastal terrain. Areas of winds south to 10 mph becoming west 10 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 69. .SUNDAY...Patchy fog in the morning. Partly cloudy. Highs around 79 at the beaches to 83 to 88 farther inland and near higher coastal terrain. .SUNDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 70. .MONDAY...Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 76 to 79 at the beaches to 81 to 86 farther inland and near higher coastal terrain. .MONDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 65 to 68. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 74 to 77 at the beaches to 79 to 83 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 partly cloudy. Highs 72 to 75 at the beaches to 77 to 82 farther inland and near higher coastal terrain. $$ CAZ554-212230- Orange County Inland Areas- Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... .TODAY...Patchy fog this morning. Partly cloudy. Highs 86 to 89 towards the coast to 93 to 96 farther inland. Light winds becoming southwest 10 mph this afternoon. .TONIGHT...Mostly clear in the evening...becoming partly cloudy. Lows around 70. Light winds. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 86 to 90 towards the coast to 93 to 96 farther inland. Light winds becoming southwest 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 68 to 72. Areas of winds southwest to 10 mph in the evening becoming light. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs 86 to 90 towards the coast to 93 farther 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 68 to 72. .SUNDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 84 to 88 towards the coast to 92 farther inland. .SUNDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 67 to 71. .MONDAY...Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 83 to 86 towards the coast to 89 farther inland. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 65 to 69. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 80 to 83 towards the coast to 86 farther inland. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 67. .WEDNESDAY...Mostly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 78 to 82 towards the coast to 83 farther inland. $$ CAZ043-212230- San Diego County Coastal Areas- Including the cities of Oceanside, Vista, Carlsbad, Encinitas, Chula Vista, National City, and San Diego 202 AM PDT Thu Aug 21 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs 76 to 81 near the coast to 83 to 88 inland. Areas of winds west to 10 mph. .TONIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 66 to 69. Light winds. .FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 77 to 82 near the coast to 84 to 88 inland. Areas of winds west to 10 mph. .FRIDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 67 to 71. Light winds. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs 78 to 83 near the coast to 84 to 89 inland. Areas of winds west to 10 mph. .SATURDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 70. .SUNDAY...Patchy fog in the morning. Partly cloudy. Highs 77 to 82 near the coast to 83 to 87 inland. .SUNDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 66 to 70. .MONDAY...Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 75 to 80 near the coast to 80 to 84 inland. .MONDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 64 to 68. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 73 to 78 near the coast to 78 to 82 inland. .TUESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 62 to 66. .WEDNESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 71 to 76 near the coast to 77 to 82 inland. $$ CAZ050-212230- San Diego County Valleys- Including the cities of Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Partly cloudy this morning...becoming mostly sunny. Highs 87 to 92 in the western valleys to 96 to 101 near the foothills. Areas of winds west to 10 mph...becoming 10 to 15 mph this afternoon. .TONIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 68 to 73. Light winds. .FRIDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 88 to 92 in the western valleys to 95 to 100 near the foothills. Areas of winds west to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 68 to 73. Areas of winds west to 10 mph in the evening becoming light. .SATURDAY...Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 87 to 92 in the western valleys to 94 to 99 near the foothills. Areas of winds west to 10 mph. Chance of measurable precipitation 20 percent. .SATURDAY NIGHT...Partly cloudy. Lows 68 to 72. .SUNDAY...Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 86 to 91 in the western valleys to 92 to 97 near the foothills. .SUNDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 66 to 71. .MONDAY...Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 84 to 87 in the western valleys to 89 to 94 near the foothills. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 64 to 68. .TUESDAY...Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 81 to 85 in the western valleys to 85 to 90 near the foothills. .TUESDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 61 to 65. .WEDNESDAY...Patchy fog in the morning. Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs 79 to 84 in the western valleys to 83 to 88 near the foothills. $$ CAZ048-212230- San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Partly cloudy this morning...becoming mostly sunny. Highs 100 to 107. Light winds becoming west 10 to 15 mph this afternoon. .TONIGHT...Mostly clear. Lows 69 to 75. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 100 to 107. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows 69 to 75. Areas of winds west 10 to 15 mph in the evening becoming light. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 98 to 105. Light winds becoming west 10 mph in the afternoon. Chance of measurable precipitation 20 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 69 to 74. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 96 to 104. .SUNDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows 68 to 73. .MONDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs 93 to 100. .MONDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows 65 to 70. .TUESDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs 89 to 96. .TUESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows 61 to 66. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 87 to 94. $$ CAZ057-212230- Santa Ana Mountains and Foothills- 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... .TODAY...Partly cloudy this morning...becoming mostly sunny. Warmer. Highs 92 to 102. Light winds becoming west 10 to 15 mph this afternoon. .TONIGHT...Mostly clear. Lows 68 to 76. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 92 to 102. Light winds becoming west 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 68 to 76. Areas of winds west to 10 mph in the evening becoming light. .SATURDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 91 to 101. Light winds becoming west 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 67 to 74. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs 90 to 100. .SUNDAY NIGHT...Mostly clear. Lows 66 to 73. .MONDAY...Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs 86 to 96. .MONDAY NIGHT...Mostly clear. Lows 63 to 70. .TUESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 83 to 93. .TUESDAY NIGHT...Mostly clear. Lows 59 to 66. .WEDNESDAY...Mostly sunny. Highs 80 to 90. $$ CAZ055-212230- San Bernardino County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Mostly sunny this morning...becoming partly cloudy. Warmer. Highs 79 to 89 above 6000 feet to 88 to 98 below 6000 feet. Areas of winds south to 10 mph...becoming 10 to 15 mph this afternoon. .TONIGHT...Mostly clear. Lows 55 to 65 above 6000 feet to 66 to 76 below 6000 feet. Areas of winds south to 10 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs 79 to 89 above 6000 feet to 88 to 98 below 6000 feet. Areas of winds south to 10 mph...becoming 10 to 15 mph in the afternoon. Chance of measurable precipitation 40 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows 57 to 67 above 6000 feet to 66 to 76 below 6000 feet. Areas of winds south 10 to 15 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy with a slight chance of showers in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 77 to 87 above 6000 feet to 86 to 95 below 6000 feet. Areas of winds south 10 mph. Chance of measurable precipitation 50 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 59 to 69. .SUNDAY...Mostly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 77 to 87 above 6000 feet to 85 to 94 below 6000 feet. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 57 to 67. .MONDAY...Partly cloudy with a slight chance of showers in the morning, then mostly cloudy with showers likely and a chance of thunderstorms in the afternoon. Highs 73 to 83 above 6000 feet to 81 to 90 below 6000 feet. .MONDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows 54 to 64. .TUESDAY...Mostly sunny with a slight chance of showers in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 70 to 80 above 6000 feet to 77 to 87 below 6000 feet. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers overnight. Lows 52 to 62. .WEDNESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 68 to 78 above 6000 feet to 76 to 86 below 6000 feet. $$ CAZ056-212230- Riverside County Mountains- Including the city of Idyllwild-Pine Cove 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Mostly sunny. Highs 90 to 100. Areas of winds south 10 mph becoming west this afternoon. .TONIGHT...Mostly clear. Lows 61 to 71. Light winds. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 90 to 100. Areas of winds south to 10 mph becoming west 10 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows 61 to 71. Areas of winds northwest 10 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 87 to 97. Areas of winds north 10 mph becoming west in the afternoon. Chance of measurable precipitation 50 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 61 to 71. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 85 to 95. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 58 to 68. .MONDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 82 to 92. .MONDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 55 to 65. .TUESDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 78 to 88. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 52 to 62. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 78 to 88. $$ CAZ058-212230- San Diego County Mountains- Including the cities of Julian and Pine Valley 202 AM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Mostly sunny. Highs 93 to 101. Areas of winds east 10 mph becoming west this afternoon. .TONIGHT...Mostly clear. Lows 67 to 77. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 92 to 101. Areas of winds west to 10 mph. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows 66 to 76. Areas of winds west to 10 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 90 to 99. Areas of winds northeast to 10 mph becoming west 10 mph in the afternoon. Chance of measurable precipitation 40 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 65 to 75. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 88 to 97. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 64 to 74. .MONDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 85 to 94. .MONDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 61 to 71. .TUESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 82 to 89. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 58 to 68. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 79 to 88. $$ CAZ060-212230- Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, Apple Valley, and Lucerne Valley 202 AM PDT Thu Aug 21 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Mostly sunny. Highs 101 to 108. Areas of winds west to 10 mph becoming south this afternoon. .TONIGHT...Mostly clear. Lows 72 to 80. Areas of winds west 10 to 15 mph...becoming to 10 mph overnight. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 101 to 108. Light winds becoming west 15 to 25 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows 73 to 81. Areas of winds west 10 to 20 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 97 to 105. Areas of winds west 10 mph. Chance of measurable precipitation 50 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 72 to 79. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 97 to 104. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 71 to 78. .MONDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 94 to 100. .MONDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows 68 to 74. .TUESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 90 to 96. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 65 to 71. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 90 to 95. $$ CAZ065-212230- San Gorgonio Pass near Banning- 202 AM PDT Thu Aug 21 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Mostly sunny. Hot. Highs around 107 through the pass to 110 to 114 in the northern Coachella Valley. Areas of winds west 10 to 15 mph with gusts to 30 mph becoming south with gusts to 25 mph this afternoon. .TONIGHT...Mostly clear. Lows around 81 through the pass to 90 in the northern Coachella Valley. Areas of winds west 10 to 20 mph with gusts to 30 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Hot. Highs around 107 through the pass to 110 to 113 in the northern Coachella Valley. Areas of winds west 10 to 15 mph. Gusts to 25 mph...becoming 30 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows around 80 through the pass to 89 in the northern Coachella Valley. Areas of winds west 10 to 20 mph with gusts to 30 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Hot. Highs around 104 through the pass to 107 to 111 in the northern Coachella Valley. Areas of winds south 10 to 15 mph with gusts to 25 mph. Chance of measurable precipitation 40 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 79 to 89. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 102 through the pass to 105 to 109 in the northern Coachella Valley. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 77 to 86. .MONDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 99 through the pass to 102 to 105 in the northern Coachella Valley. .MONDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 74 to 83. .TUESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 94 to 97 through the pass to 100 in the northern Coachella Valley. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 71 to 80. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 94 through the pass to 97 to 101 in the northern Coachella Valley. $$ CAZ061-212230- Coachella Valley- Including the cities of Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella 202 AM PDT Thu Aug 21 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Mostly sunny. Very hot. Highs 112 to 115. Light winds becoming southeast 10 mph this afternoon. .TONIGHT...Mostly clear. Lows 85 to 90. Areas of winds northwest 10 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Hot. Highs 111 to 114. Areas of winds southeast to 10 mph. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows 84 to 89. Areas of winds northwest 10 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Hot. Highs around 111. Light winds. Chance of measurable precipitation 40 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 82 to 88. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 106 to 109. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 80 to 86. .MONDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 105. .MONDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers overnight. Lows 77 to 83. .TUESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 101. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 74 to 79. .WEDNESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 100. $$ CAZ062-212230- San Diego County Deserts- Including the city of Borrego Springs 202 AM PDT Thu Aug 21 2025 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Mostly sunny. Very hot. Highs 111 to 115. Areas of winds east 10 mph. .TONIGHT...Mostly clear. Lows 85 to 92. Areas of winds west to 10 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Very hot. Highs 111 to 115. Areas of winds east to 10 mph. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 84 to 92. Areas of winds west 10 to 15 mph. Chance of measurable precipitation 20 percent. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Hot. Highs 109 to 113. Areas of winds north 10 mph becoming southeast in the afternoon. Chance of measurable precipitation 30 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 82 to 92. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Hot. Highs 106 to 110. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 81 to 90. .MONDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 104 to 107. .MONDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 78 to 86. .TUESDAY...Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 100 to 103. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 74 to 84. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 99 to 102. $$ 17