...HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY... * WHAT...High temperatures of 98 to 105 degrees for the Inland Empire, 91 to 102 degrees for the San Diego valleys, and 95 to 100 degrees in inland Orange County. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Valleys and Orange County Inland Areas. * WHEN...From 10 AM Tuesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * ADDITIONAL DETAILS...Temperatures will begin to gradually cool on Friday, but remain warm and above normal through the weekend. 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. Young children and pets should never be left unattended in vehicles under any circumstances. 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 lightweight and loose fitting clothing when possible. 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. &&