Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
821 PM PDT Thu Aug 7 2025
CAZ048-081315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-250809T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, Corona, San Bernardino,
Ontario, Rancho Cucamonga, Moreno Valley, and Fontana
821 PM PDT Thu Aug 7 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Temperatures 103 to 106 degrees.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
821 PM PDT Thu Aug 7 2025
CAZ050-081315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-250809T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, Santee,
Poway, and La Mesa
821 PM PDT Thu Aug 7 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Temperatures 95 to 102 degrees.
* WHERE...San Diego County Valleys.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Hottest conditions will be east of Interstate
15.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
821 PM PDT Thu Aug 7 2025
CAZ055-081315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-250809T0300Z/
San Bernardino County Mountains-
Including the cities of Running Springs, Big Bear Lake,
Wrightwood, Crestline, and Lake Arrowhead
821 PM PDT Thu Aug 7 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Temperatures up to 96 degrees below 5500 feet.
* WHERE...San Bernardino County Mountains.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Limit or postpone
outdoor recreation.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
821 PM PDT Thu Aug 7 2025
CAZ056-058-081315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-250809T0300Z/
Riverside County Mountains-San Diego County Mountains-
Including the cities of Pine Valley, Julian, and Idyllwild-Pine
Cove
821 PM PDT Thu Aug 7 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Temperatures up to 102 degrees expected.
* WHERE...Riverside County Mountains and San Diego County Mountains.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Limit or postpone
outdoor recreation.
&&
$$
