Zone Forecast Product
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
288 FPUS56 KSGX 200900 ZFPSGX Zone Forecast Product for Extreme Southwest California National Weather Service San Diego CA 200 AM PDT Wed Aug 20 2025 CAZ552-202230- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 200 AM PDT Wed Aug 20 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs 75 to 79 at the beaches to 80 to 85 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph this afternoon. .TONIGHT...Partly cloudy. Patchy fog overnight. Lows 65 to 68. Areas of winds southwest 10 mph in the evening becoming light. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs around 80 at the beaches to 83 to 88 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 66 to 69. Areas of winds south to 10 mph. .FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 77 to 81 at the beaches to 83 to 88 farther inland and near higher coastal terrain. Areas of winds south to 10 mph. .FRIDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 70. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs around 80 at the beaches to 82 to 87 farther inland and near higher coastal terrain. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 68. .SUNDAY...Patchy fog in the morning. Partly cloudy. Highs around 80 at the beaches to 82 to 87 farther inland and near higher coastal terrain. .SUNDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 66 to 69. .MONDAY...Patchy fog in the morning. Partly cloudy. Highs 76 to 79 at the beaches to 80 to 85 farther inland and near higher coastal terrain. .MONDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 64 to 67. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 73 to 76 at the beaches to 78 to 83 farther inland and near higher coastal terrain. $$ CAZ554-202230- Orange County Inland Areas- Including the cities of Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 200 AM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT FRIDAY... .TODAY...Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 83 to 86 towards the coast to 90 farther inland. Light winds becoming southwest 10 mph this afternoon. .TONIGHT...Partly cloudy. Patchy fog overnight. Lows 65 to 69. Areas of winds southwest to 10 mph in the evening becoming light. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 85 to 88 towards the coast to 91 to 94 farther inland. Light winds becoming southwest 10 mph in the afternoon. .THURSDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 67 to 71. Areas of winds south to 10 mph in the evening becoming light. .FRIDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 85 to 88 towards the coast to 91 to 95 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 67 to 72. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs 84 to 88 towards the coast to 91 farther inland. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 67 to 71. .SUNDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 83 to 87 towards the coast to 89 to 92 farther inland. .SUNDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 66 to 70. .MONDAY...Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 82 to 85 towards the coast to 88 farther inland. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 63 to 68. .TUESDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 79 to 83 towards the coast to 85 farther inland. $$ CAZ043-202230- San Diego County Coastal Areas- Including the cities of Oceanside, Vista, Carlsbad, Encinitas, Chula Vista, National City, and San Diego 200 AM PDT Wed Aug 20 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs 73 to 78 near the coast to 80 to 85 inland. Areas of winds west to 10 mph. .TONIGHT...Partly cloudy. Patchy fog overnight. Lows 64 to 67. Light winds. .THURSDAY...Partly cloudy with patchy fog in the morning... becoming mostly sunny. Highs 76 to 81 near the coast to 83 to 87 inland. Areas of winds west to 10 mph. .THURSDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 66 to 69. Light winds. .FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 77 to 82 near the coast to 83 to 87 inland. Areas of winds west to 10 mph. .FRIDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows around 70. .SATURDAY...Patchy fog in the morning. Partly cloudy. Highs 77 to 82 near the coast to 83 to 87 inland. .SATURDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 66 to 70. .SUNDAY...Patchy fog in the morning. Partly cloudy. Highs 76 to 81 near the coast to 82 to 87 inland. .SUNDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 65 to 69. .MONDAY...Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 74 to 79 near the coast to 80 to 84 inland. .MONDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 63 to 67. .TUESDAY...Mostly cloudy with patchy fog in the morning... becoming partly cloudy. Highs 72 to 77 near the coast to 78 to 82 inland. $$ CAZ050-202230- San Diego County Valleys- Including the cities of Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway 200 AM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... .TODAY...Partly cloudy this morning...becoming mostly sunny. Highs 83 to 88 in the western valleys to 92 to 97 near the foothills. Areas of winds west to 10 mph...becoming 10 to 15 mph this afternoon. .TONIGHT...Partly cloudy. Lows 65 to 70. Light winds. .THURSDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 86 to 90 in the western valleys to 95 to 100 near the foothills. Areas of winds west to 10 mph. .THURSDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 67 to 72. Areas of winds west to 10 mph in the evening becoming light. .FRIDAY...Patchy fog in the morning. Partly cloudy. Highs 87 to 91 in the western valleys to 94 to 99 near the foothills. Areas of winds west to 10 mph. .FRIDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 67 to 72. .SATURDAY...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. .SATURDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 67 to 71. .SUNDAY...Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 86 to 90 in the western valleys to 91 to 96 near the foothills. .SUNDAY NIGHT...Partly cloudy. Lows 65 to 69. .MONDAY...Partly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs 83 to 88 in the western valleys to 88 to 93 near the foothills. .MONDAY NIGHT...Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 66. .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. $$ CAZ048-202230- 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 Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT SATURDAY... .TODAY...Mostly sunny. Highs 95 to 102. Light winds becoming west 10 to 15 mph this afternoon. .TONIGHT...Partly cloudy. Lows 66 to 71. Areas of winds west to 10 mph in the evening becoming light. .THURSDAY...Mostly sunny. Highs 99 to 106. Light winds becoming west 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 69 to 74. Areas of winds west 10 to 15 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 98 to 106. Areas of winds west to 10 mph. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 69 to 74. .SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 96 to 103. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 68 to 73. .SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 96 to 102. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 67 to 72. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 92 to 100. .MONDAY NIGHT...Partly cloudy in the evening...becoming mostly clear. Lows 63 to 68. .TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 89 to 96. $$ CAZ057-202230- Santa Ana Mountains and Foothills- 200 AM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT FRIDAY... .TODAY...Mostly sunny. Warmer. Highs 87 to 97. Light winds becoming west 10 mph this afternoon. .TONIGHT...Partly cloudy. Lows 64 to 73. Areas of winds west to 10 mph in the evening becoming light. .THURSDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 91 to 101. Light winds becoming west 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 66 to 74. Areas of winds north 10 to 15 mph in the evening becoming light. .FRIDAY...Mostly sunny. Highs 91 to 101. Areas of winds north to 10 mph becoming west 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 66 to 75. .SATURDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 89 to 99. .SATURDAY NIGHT...Mostly clear. Lows 66 to 74. .SUNDAY...Mostly sunny. Highs 89 to 99. .SUNDAY NIGHT...Mostly clear. Lows 64 to 72. .MONDAY...Mostly sunny. Highs 85 to 95. .MONDAY NIGHT...Mostly clear. Lows 61 to 68. .TUESDAY...Partly cloudy in the morning...becoming mostly sunny. Highs 82 to 92. $$ CAZ055-202230- San Bernardino County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood 200 AM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... .TODAY...Mostly sunny. Warmer. Highs 77 to 87 above 6000 feet to 85 to 94 below 6000 feet. Areas of winds south to 10 mph... becoming 10 to 15 mph this afternoon. .TONIGHT...Partly cloudy. Lows 54 to 64 above 6000 feet to 63 to 73 below 6000 feet. Areas of winds south to 10 mph. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 79 to 89 above 6000 feet to 88 to 98 below 6000 feet. Areas of winds southeast to 10 mph becoming south in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 57 to 67 above 6000 feet to 66 to 76 below 6000 feet. Areas of winds south 10 to 15 mph. .FRIDAY...Mostly sunny in the morning, then mostly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs 80 to 90 above 6000 feet to 88 to 98 below 6000 feet. Areas of winds south 10 to 15 mph. Chance of measurable precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 60 to 70. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with showers likely and a chance of thunderstorms in the afternoon. Highs 76 to 86 above 6000 feet to 85 to 95 below 6000 feet. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 59 to 69. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 75 to 85 above 6000 feet to 84 to 93 below 6000 feet. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 57 to 67. .MONDAY...Mostly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 73 to 83 above 6000 feet to 81 to 90 below 6000 feet. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 54 to 64. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 70 to 80 above 6000 feet to 78 to 88 below 6000 feet. $$ CAZ056-202230- Riverside County Mountains- Including the city of Idyllwild-Pine Cove 200 AM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... .TODAY...Mostly sunny this morning...becoming partly cloudy. Highs 88 to 98. Light winds becoming west 10 mph this afternoon. .TONIGHT...Partly cloudy. Lows 60 to 70. Light winds. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 90 to 100. Areas of winds southeast to 10 mph becoming west 10 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 63 to 73. Areas of winds west 10 mph in the evening becoming light. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs 90 to 100. Areas of winds south to 10 mph. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 61 to 71. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 86 to 96. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 60 to 70. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 85 to 95. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 58 to 68. .MONDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 83 to 93. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 54 to 64. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 80 to 90. $$ CAZ058-202230- San Diego County Mountains- Including the cities of Julian and Pine Valley 200 AM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... .TODAY...Mostly sunny this morning...becoming partly cloudy. Warmer. Highs 90 to 98. Areas of winds east to 10 mph becoming west 10 mph this afternoon. .TONIGHT...Partly cloudy. Lows 65 to 75. Areas of winds west to 10 mph in the evening becoming light. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Highs 92 to 101. Areas of winds east to 10 mph becoming west 10 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 67 to 77. 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. Highs 92 to 100. Areas of winds east to 10 mph becoming southwest 10 mph with gusts to 25 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 66 to 76. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 89 to 98. .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 with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 63 to 73. .MONDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 84 to 94. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 59 to 69. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 82 to 91. $$ CAZ060-202230- Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, Apple Valley, and Lucerne Valley 200 AM PDT Wed Aug 20 2025 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT SATURDAY... .TODAY...Mostly sunny. Highs 99 to 105. Areas of winds west to 10 mph becoming northwest this afternoon. .TONIGHT...Partly cloudy. Lows 68 to 76. Areas of winds west 10 to 15 mph...becoming to 10 mph overnight. .THURSDAY...Mostly sunny. Highs 101 to 108. Light winds becoming south 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 71 to 79. Areas of winds west 10 to 15 mph becoming south overnight. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 102 to 108. Areas of winds west to 10 mph becoming south 10 mph in the afternoon. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 73 to 80. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 97 to 104. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows 71 to 79. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 97 to 103. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 69 to 77. .MONDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 94 to 101. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 67 to 73. .TUESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs 92 to 99. $$ CAZ065-202230- San Gorgonio Pass near Banning- 200 AM PDT Wed Aug 20 2025 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT SATURDAY... .TODAY...Mostly sunny this morning...becoming partly cloudy. Hot. Highs around 104 through the pass to 110 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 in the evening...becoming partly cloudy. Lows around 78 through the pass to 88 in the northern Coachella Valley. Areas of winds west 10 to 20 mph with gusts to 30 mph. .THURSDAY...Mostly sunny in the morning...becoming partly cloudy. Hot. Highs around 107 through the pass to 109 to 113 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 in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows around 81 through the pass to 89 to 92 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 chance of showers and a slight chance of thunderstorms in the afternoon. Hot. Highs 105 to 108 through the pass to 110 to 113 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 in the afternoon. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 79 to 89. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 103 through the pass to 106 to 109 in the northern Coachella Valley. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 79 to 89. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 101 through the pass to 105 to 109 in the northern Coachella Valley. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 77 to 87. .MONDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 99 through the pass to 103 to 106 in the northern Coachella Valley. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 73 to 82. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 96 through the pass to 99 to 103 in the northern Coachella Valley. $$ CAZ061-202230- Coachella Valley- Including the cities of Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella 200 AM PDT Wed Aug 20 2025 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT SATURDAY... .TODAY...Mostly sunny this morning...becoming partly cloudy. Hot. Highs 110 to 113. Light winds becoming southeast to 10 mph this afternoon. .TONIGHT...Mostly clear in the evening...becoming partly cloudy. Lows 83 to 89. Areas of winds northwest 10 mph. .THURSDAY...Mostly sunny. Hot. Highs around 113. Light winds becoming southeast 10 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 85 to 90. Areas of winds northwest to 10 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Hot. Highs 111 to 114. Areas of winds southeast to 10 mph. Chance of measurable precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 83 to 88. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 109. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 82 to 88. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Hot. Highs around 110. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 80 to 85. .MONDAY...Mostly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 106. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 76 to 82. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 101 to 104. $$ CAZ062-202230- San Diego County Deserts- Including the city of Borrego Springs 200 AM PDT Wed Aug 20 2025 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT SATURDAY... .TODAY...Mostly sunny this morning...becoming partly cloudy. Hot. Highs 109 to 113. Areas of winds east 10 mph. .TONIGHT...Partly cloudy. Lows 83 to 91. Areas of winds west 10 mph. .THURSDAY...Mostly sunny. Very hot. Highs 111 to 115. Areas of winds east 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 85 to 93. 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 southeast to 10 mph. Chance of measurable precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 82 to 91. .SATURDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Hot. Highs 108 to 112. .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 around 110. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 79 to 88. .MONDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 106. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear overnight. Lows 76 to 85. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 101 to 104. $$ 17