Los Angeles County San Gabriel Valley Severe Watches & Warnings NOAA Weather Radio

... Excessive heat watch remains in effect from Monday morning
through Thursday evening... 

* high temperatures... coastal areas 85-98. Valleys 98-108. 
  Mountains 96-106. Antelope Valley 100-110. 

* Impacts... increased potential for serious heat-related 
  illnesses, especially for the Young and elderly, those 
  performing outdoor activities, as well as those without access 
  to air conditioning. Increased potential for power outages. 

Precautionary/preparedness actions... 

Never, ever, leave people or pets in enclosed vehicles, even for
a short period of time.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening.  Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

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 911.