Extreme Heat Warning

Locations Affected

Las Vegas, NV ∙ Henderson, NV ∙ North Las Vegas, NV ∙ Lake Havasu City, AZ ∙ Frenchman Mountain, NV ∙ Keeler, CA ∙ Newberry Springs, CA ∙ Lake Mead National Recreation Area, AZ ∙ Harris, AZ ∙ Peach Springs, AZ

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1233 PM PDT Tue Jul 28 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ THURSDAY TO 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in major to extreme heat risk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...From 10 AM PDT /10 AM MST/ Thursday to 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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.

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