Extreme HeatRisk This Week

A prolonged heatwave will impact southeast Arizona this week leading to widespread major to extreme HeatRisk. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 6, 2025 at 5:18:42 am MST

Watches, Warnings & Advisories

National Weather Service NWS Flagstaff, AZ

National Weather Service Albuquerque, NM

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Extreme Heat Warning

Heat Advisory

Precipitation Chances Wed

August Heatwave

Extreme HeatRisk -Wed & Thu

Extreme Heat Warning

Major HeatRisk Versus Extreme HeatRisk

Isolated showers and thunderstorms are expected today, focused on locales from Tucson south to southwestward. These will produce gusty outflow winds.

Very hot temperatures with the potential for a few spots to hit August monthly high temperature records.

Much of SE Arizona will be under the highest level of HeatRisk (extreme) Wednesday and Thursday. Take precautions to stay safe in this Extreme Heat.

Extreme Heat Warning has been extended through Friday very hot temps up to 114°F possible Wednesday and Thursday. Major to extreme HeatRisk today through Friday.

What is Major vs Extreme HeatRisk? Major HeatRisk means that heat related illnesses affect much of the population, especially for those without effective cooling or hydration with little to no relief from the heat at night. Extreme HeatRisk means that heat related illnesses affect the entire population as the heat is prolonged over a period of time with little to no relief from the heat at night.