Expected

Responsive action SHOULD be taken soon (within next hour)

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 105 near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with high temperatures up to 114 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with temperatures up to 103 expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Moderate Heat Advisory | Effective 07/28/2026 01:56

* WHAT...High temperatures in the mid 80s to around 90 for the mesas and other higher coastal terrain expected. * WHERE...San Diego County Coastal Areas. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with high temperatures up to 122 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with high temperatures mid to upper 90s east of Interstate 5 expected. * WHERE...Orange County Inland Areas. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/28/2026 01:56

* WHAT...Dangerously hot conditions with temperatures up to 110 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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