NWS Phoenix

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Last Map Update: Fri, Feb 27, 2026 at 1:12:41 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

There are no watches, warnings, or advisories at this time.

6-Day High Temperature Outlook

Minor HeatRisk

CPC 6-10 Day Temperature Outlook

First 90° Day Stats

Temperatures are forecast to reach 90° in Phoenix for the first time this year by Friday with the majority of the lower deserts topping 90° through Sunday. Daily records also are likely to be tied or broken each day through Sunday, especially for Phoenix.

Strong high pressure over the region will lead to well above normal temperatures. Afternoon highs will reach the middle 80s to upper 90s across the lower deserts and in the 80s across the higher terrain. This heat will result in Minor HeatRisk. So make sure to use extra precautions if spending time outdoors, especially if you're more sensitive to the heat.

A low pressure system is expected to move through Western CONUS next week, which looks to cool off our temperatures slightly, but still remain above normal.

The average first 90° for all three of our climate sites occurs in mid to late March. However, the earliest 90° for all of the climate sites has already passed. So even though we're forecasting for all three sites to reach 90°+ by the end of the week it won't be the earliest occurrence.