Extreme Heat Warning

Locations Affected

Las Vegas, NV ∙ Henderson, NV ∙ North Las Vegas, NV ∙ Lake Havasu City, AZ ∙ Blue Diamond, NV ∙ Coso Peak, CA ∙ Bagdad, CA ∙ Crystal Beach, AZ ∙ Antares, AZ ∙ Paradise, NV

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1255 PM PDT Tue Jun 17 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ WEDNESDAY TO 10 PM PDT /10 PM MST/ THURSDAY... * WHAT...Dangerously hot conditions with temperatures of 110 to 115 degrees expected. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Death Valley National Park, Western Mojave Desert, Eastern Mojave Desert, San Bernardino County-Upper Colorado River Valley, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...From 10 AM PDT /10 AM MST/ Wednesday to 10 PM PDT /10 PM MST/ Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially when overnight low temperatures remain warm. This results in little to no time to recover from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room as much as possible, and stay out of the sun. Check in with 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. 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. Monitor the latest forecasts and warnings for updates.

---