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Extended Excessive Heat Warning

Post Date:06/19/2017 1:55 PM

In preparation for the incoming Long Duration Excessive Heat event which is forecasted to last from Friday through the end of next week the following information is being provided for planning and readiness purposes.


Extended Period of Hot Weather for Inland Areas Friday through Wednesday. High pressure building over Arizona this weekend will remain nearly stationary through at least next Wednesday. This weather pattern will result in an extended period of very hot weather, especially over the deserts.


High Temperatures... 110-116 Friday through Sunday, increasing to

112-120 Monday through Wednesday


Outlook...This heat wave may continue beyond Wednesday, perhaps

through the end of next week



The National Weather Service in San Diego has issued an Excessive Heat Warning, which is in effect from 11 AM Friday to 9 PM PDT Wednesday.



This heat wave will increase the potential for heat related illnesses.

Those working or spending time outdoors, the elderly, children, and

those unaccustomed to the heat will be most susceptible


Please take extra precautions in caring for yourselves, your families and those who may be at a higher risk for heat related illnesses. If you are in need of a cool place to go visit the below link for a list of locations throughout San Bernardino County.


The below items are attached for your reference:


·         NWS Heat Briefing 170615


·         County Dept. of Public Health High Heat Press release English & Spanish


·         South Coast AQMD Air Quality Alert


·         Heat Risk Outreach guide NWS


The San Bernardino County Fire Office of Emergency Services will continue to monitor and provide updates as needed.



San Bernardino County Operational Area San Bernardino County

Fire/Office of Emergency Services


Phone:  (909) 356-3998

Fax:      (909) 356-3965


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