Extreme Heat Warning: Dangerous Temperatures Through Sunday
What’s Happening:
An Extreme Heat Warning is in effect from 11 AM today until 8 PM MST Sunday. Temperatures are expected to reach between 100 and 108 degrees, with the hottest days being Friday, March 20, and Saturday, March 21.
Affected Areas:
- South Central Pinal County
- Southeast Pinal County
- Tohono O'odham Nation
- Tucson Metro Area
- Western Pima County
What to Expect:
High temperatures will persist throughout the weekend, with extreme heat peaking on Friday and Saturday. Conditions will be dangerously hot, especially for those not acclimated to such weather.
Impacts:
People are also reading…
- Increased risk of heat-related illnesses.
- Potential for heat stroke and heat exhaustion.
- Risk to children and pets left in vehicles.
Safety Tips:
- Stay hydrated and drink plenty of fluids.
- Remain in air-conditioned environments as much as possible.
- Avoid outdoor activities during peak heat hours; reschedule to early morning or evening.
- Wear lightweight, loose-fitting clothing.
- Check on relatives and neighbors, especially those vulnerable to heat.
- Never leave children or pets in parked vehicles.
- Recognize signs of heat exhaustion and heat stroke; seek immediate medical attention if needed.
When to Check Back:
Monitor weather.gov or tucson.com/weather for updates.
This weather alert was produced with AI assistance using National Weather Service data.

