NWS Phoenix

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Last Map Update: Tue, Jun 2, 2026 at 1:12:37 pm MST

Watches, Warnings & Advisories

National Weather Service NWS Flagstaff, AZ

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National Weather Service Albuquerque, NM

National Weather Service NWS Tucson Arizona

Fire Weather Watch

Air Quality Alert

Weather Outlook

Increasing HeatRisk

May Climate Summary

Spring Climate Summary

High temperatures across the lower deserts will increase to 100-107 degrees, or around 3-5 degrees above daily normals through mid-week. This will result in HeatRisk increasing to the Moderate category. Temperatures will decrease into a near normal range by this weekend.

HeatRisk will increase from Minor to Moderate across the lower deserts mid-week as temperatures reach 3-5 degrees above normal. Make sure to practice smart heat safety.

May of 2026 experienced on average above normal high and low temperatures, resulting in above normal mean temperatures for the month for the three climate sites (Phoenix, Yuma, and El Centro).

Spring of 2026 was the hottest meteorological Spring on record for the three climate sites (Phoenix, Yuma, and El Centro) and most of the region, largely driven by the historic March heat. It was also a very dry Spring.