Active AlertsTemecula, CA

What: Dangerously hot conditions with high temperatures as hot as the upper 90s to 108 and low temperatures as warm as the low to mid 70s for Thursday through Saturday expected.
Where: San Bernardino and Riverside County Valleys-The Inland Empire.
When: Until 8 PM PDT Monday.
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.