Active AlertsIdyllwild, CA

What: High temperatures in the lower to mid 90s below 4500 feet and in the 80s from 4500 to 6500 feet possible.
Where: Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains.
When: From Thursday morning through Friday evening.
Impacts: Heat related illnesses increase significantly during extreme heat events.

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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.