Weather Alerts For Holtville, CA

# HEADLINE -------------------- EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH THURSDAY EVENING # DETAILS -------------------- WHAT Dangerously hot conditions possible. Afternoon temperatures 109 to 117. Major Heat Risk. WHERE Portions of southwest Arizona and southeast and southern California. WHEN From Tuesday morning through Thursday evening. IMPACTS Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. ISSUED AT Sunday, July 5, 2026 at 12:15 AM MST ISSUED BY National Weather Service Phoenix AZ HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- An Extreme Heat Watch means that a period of very hot temperatures, even by local standards, may occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. 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. Public cooling shelters are available in some areas. Consult county officials for more details. # AREAS AFFECTED -------------------- Imperial County West, Central La Paz, Chiriaco Summit, Chuckwalla Mountains, Chuckwalla Valley, Gila River Valley, Imperial County Southeast, Imperial County Southwest, Imperial Valley, Kofa, Palo Verde Valley, Parker Valley, Yuma Including the cities of El Centro, Coolidge Springs, Mountain Spring, Blythe, Parker, Alamorio, Harcuvar, Plaster City, Vicksburg Junction, Fortuna Foothills, Ehrenberg, Midland, Yuma, Calexico, Quartzsite, Salome, Palo Verde, Imperial Hot Mineral Springs, Martinez Lake, Salton City, Vicksburg, Winterhaven, Chiriaco Summit, Palm Canyon, Coyote Wells, Ocotillo, Brenda, Ligurta, Winona, Brawley, and Ripley