Active Weather Alerts
Extreme Heat Warning
Issued: 5:43 PM Mar. 16, 2026 – National Weather Service
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... * WHAT...Dangerously hot conditions with high temperatures of 100 to 108 degrees expected. The hottest days are currently expected to be Friday March 20 and Saturday March 21. * WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, and Western Pima County. * WHEN...From 11 AM Thursday to 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Visitors, seasonal residents and other people not typically accustomed to or acclimated to extreme heat are especially urged to take precautions during the hottest hours of the day and limit outdoor activity. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. 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. &&
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