National Weather Service United States Department of Commerce
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Last Map Update: Sun, Mar 22, 2026 at 12:44:14 pm MST

Increasing temperatures are coming to Southeast Arizona. Extreme Heat Warning in effect for Thursday through Sunday. Unseasonable heat for March!
Records for March 21st were demolished across southeastern Arizona on Saturday. A new record high for the month of March in Tucson was also set.
Know the signs of heat exhaustion and heat stroke. In an emergency, call 911!
As we approach an unseasonably hot week, remember that your body may not be acclimated to these temperatures yet. Stay Safe: Do: Hydrate with water/electrolytes and wear light-colored clothing. Don’t: Leave children or pets in a vehicle—not even for a minute. Plan: Shift strenuous outdoor activities to the early morning or after sunset. Preparation is the best defense against heat-related illness.
How are you going to prepare for the heat? Here are some recommendations on how to deal with the upcoming heat wave! Avoid outdoor activities during the hottest part of the day. Drink plenty of water! Take frequent breaks in air conditioning. Learn to recognize heat illness. Heat strokes is an emergency call 911! Eat and dress light. Look before you lock! Never leave a child or pet in the car for any period of time.

 

 

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