* WHAT...Dangerously hot conditions with temperatures up to 114
degrees.

* WHERE...Coachella Valley and San Diego County Deserts.

* WHEN...Until 8 PM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Widespread Major HeatRisk. Major HeatRisk
indicates these conditions will be dangerous to anyone without
proper hydration or adequate cooling, in addition to those who are
heat-sensitive.

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.

* WHAT...Temperatures 85 to 99 degrees.

* WHERE...Riverside County Mountains and San Diego County Mountains.

* WHEN...Until 8 PM PDT Monday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Widespread moderate HeatRisk. Moderate
HeatRisk indicates those who are heat sensitive, without air
conditioning, or recreating outdoors may experience negative
heat-related heath effects.

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.