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Last Map Update: Thu, Sep 10, 2026 at 4:08:23 am 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

Extreme Heat Warning

Heat Advisory

Extreme Heat Warning

Temperatures Slowly Cooling

Thunderstorm Outlook

Heat Safety Tips

Localized Major HeatRisk will be present over the Arizona lower deserts through Thursday and through Friday for portions of southeast California. High temperatures will reach 4-7 degrees above normal, while lows will be 5-10 degrees above normal. Extreme Heat Warnings are in effect for portions of the lower deserts through Friday.

Above normal temperatures the remainder of the week will result in widespread moderate to major HeatRisk. Temperatures start to gradually cool this weekend through early next week

Thunderstorm chances will remain low across the bulk of the area with storms focused across the higher terrain areas of eastern Arizona. Although moisture levels increase and support a slightly better chance of rain across south-central Arizona, chances for storms surviving into lower elevations is only 25%. Gusty winds and blowing dust will be the greatest weather hazards.

Temperatures will be above normal through the week, and peak around 5-10° above normal during the middle of the workweek. These temperatures will result in widespread Moderate to Major HeatRisk. An Extreme Heat Warning is also in effect for portions of the lower deserts from Tuesday-Friday. Make sure to practice smart heat safety this week.