32°52'N / 116°56'W / Altitude 207 m / 14:36 2026/08/25, America/Los_Angeles (UTC-7)
From: 2026/08/25, 12:19
To: 2026/08/25, 22:15
* WHAT...Dangerously hot conditions with high temperatures during the peak of the heat on Thursday and Friday in the upper 90s in the western valleys to 108 in the inland valleys expected. Low temperatures will be mostly in the 70s. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. Increasing temperatures through Friday will increase the threat of heat-related illness across populations.
San Diego County Inland Valleys,San Diego
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
NWS San Diego CA
2026/08/25, 12:19From: 2026/08/25, 12:19
To: 2026/08/25, 22:15
* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 102 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 10 to 15 degrees above normal will limit relief from the heat. Increasing temperatures through Friday will increase the threat of heat-related illness across populations.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA2026/08/25, 12:19From: 2026/08/25, 12:19
To: 2026/08/25, 22:15
* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. Increasing temperatures through Friday will increase the threat of heat-related illness across populations.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA2026/08/25, 12:19From: 2026/08/25, 12:19
To: 2026/08/25, 22:15
* WHAT...Dangerously hot conditions with high temperatures of 110 to 115 expected. Low temperatures will be mostly in the mid 80s to mid 90s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight temperatures 5 to 10 degrees above normal will limit relief from the heat.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA2026/08/25, 12:19
From: 2026/08/25, 12:19
To: 2026/08/25, 22:15
* WHAT...High temperatures during the peak of the heat on Thursday and Friday in the mid 80s near the beaches to the mid to upper 90s for the mesas and other higher coastal terrain expected. Low temperatures will be mostly in the 70s. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses.
San DiegoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA2026/08/25, 12:19
From: 2026/08/25, 13:16
To: 2026/08/25, 21:30
* WHAT...Elevated surf of 4-6 feet with sets to 7 feet expected along with dangerous rip currents and minor coastal flooding. * WHERE...San Diego County coastal areas and Orange County coastal areas, particularly along south and southwest-facing beaches. * WHEN...From early Wednesday morning through Thursday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Flooding of low lying beach parking lots, boardwalks, and roads. * ADDITIONAL DETAILS...High tides peak around 6.2 to 6.5 feet from 8-10 PM PDT on Wednesday and Thursday.
San DiegoRemain out of the water to avoid hazardous swimming conditions.NWS San Diego CA2026/08/25, 13:16