Weather Alerts For Henderson, NV

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING # DETAILS -------------------- WHAT Dangerously hot conditions with highs of 110 to 115 in the Las Vegas Valley, Pahrump, Moapa Valley, and the Colorado River Valley, and up to 120 in Death Valley. Warm overnight temperatures will result in little relief overnight. WHERE Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Death Valley National Park, Northeast Clark County, Western Clark and Southern Nye County, and Las Vegas Valley. WHEN Until 8 PM PDT /8 PM MST/ this evening. IMPACTS Heat related illnesses increase significantly during extreme heat events. ISSUED AT Monday, August 10, 2026 at 1:57 AM PDT ISSUED BY National Weather Service Las Vegas NV HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- AZ side, AZ side, NV side, NV side, Death Valley National Park, Lake Havasu and Fort Mohave, Lake Mead , Lake Mead , Lake Mohave , Lake Mohave , Las Vegas Valley, Northeast Clark County, San Bernardino County, Upper Colorado River Valley, Western Clark and Southern Nye County Including the cities of Topock, Laughlin, Desert Hills, Stovepipe Wells, North Las Vegas, Temple Bar, South Cove, Mesquite, Shoshone, Henderson, Furnace Creek, Desert Rock, Lake Havasu City, Amargosa Valley, Moapa, Hoover Dam, Indian Springs, Pahrump, Bullhead City, Needles, Las Vegas, Overton, and Boulder City