8/23/2025 2:55:00 AM until 8/23/2025 11:00:00 AM

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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. Schedule frequent rest breaks in shaded or air conditioned environments during outdoor work. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

* WHAT...High temperatures from 100 to 110 with moderate to isolated Major HeatRisk. * WHERE...Trinity County, Lake County, and Northeastern Mendocino Interior. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Hot temperatures and warm nights may cause heat illnesses.