Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Diego, CA

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WWUS76 KSGX 311946
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1246 PM PDT Sun Aug 31 2025

CAZ048-050-057-554-011400-
/O.CON.KSGX.HT.Y.0006.250901T1700Z-250903T0100Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Diego County Valleys-Santa Ana Mountains and Foothills-Orange
County Inland Areas-
Including the cities of San Bernardino, Moreno Valley, Corona,
Mission Viejo, Santee, San Marcos, Rancho Cucamonga, Fullerton,
La Mesa, Fontana, Anaheim, Riverside, Ontario, El Cajon, Santa
Ana, Irvine, Escondido, Garden Grove, Poway, and Orange
1246 PM PDT Sun Aug 31 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 6 PM PDT
TUESDAY...

* WHAT...Temperatures 93 to 100 expected for the valleys and
  mountains. Temperatures up to 106 expected for the Inland Empire.

* WHERE...Orange County Inland Areas, San Bernardino and Riverside
  County Valleys-The Inland Empire, San Diego County Valleys, and
  Santa Ana Mountains and Foothills.

* WHEN...From 10 AM Monday to 6 PM PDT Tuesday.

* 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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

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