Active AlertsAntelope Valley

What: Hot daytime conditions with high temperatures between 100 and 110 common. Warm overnight conditions will bring less relief than usual.
Where: Most mountains and valleys of Los Angeles, Ventura, and Santa Barbara Counties.
When: Until 8 PM PDT Friday.
Impacts: There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors.

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. Limit strenuous activities to early morning or evening hours. Take action when you see symptoms of heat exhaustion.