NWS Phoenix

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Last Map Update: Sat, Mar 14, 2026 at 4:46:46 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

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Record Breaking Temperatures

100 Degree Day Statistics

CPC 8-14 Day Temp Outlook

Strong high pressure will persist across the region, reaching record strength by the middle of next week. Temperatures across the lower deserts will increase into the triple digits as we head into the middle to end of next week. Not only will all-time record March, and potentially even April, temperatures likely be broken but also the earliest occurrence of 100 degrees in Phoenix.

Strong high pressure persisting into early next week will strengthen into a record strong system by the middle of next week, pushing highs to above 100 degrees by Wednesday and likely topping 105 degrees next Friday and Saturday. Daily records are expected to be broken by 7-11 degrees each day from Wednesday through next Sunday. Excessive Heat Watches are now in effect late next week.

Phoenix has a high probability of reaching 100 degrees by the middle of next week. This would be the earliest occurrence of 100 degrees on record for the Phoenix area.

The Climate Prediction Center's 8-14 day temperature outlook shows a high likelihood (80-90% chance) of above normal temperatures continuing for our area through the end of March.