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MOST ACCURATE FORECAST: Extreme Heat Warning, hottest day of the year so far in Phoenix

This dangerous heat is sticking around and Monday will be ABC15 Weather Action Day as a reminder to take action to stay safe in the heat. Stay hydrated, limit your time outside during the hottest parts of the day (usually between 11 a.m. and 6 p.m.), and wear lightweight, light-colored clothing.

Extreme heat watches issues for Mondays as temps reach 110+

By: Justin Hobbs

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and last updated

PHOENIX — Phoenix has hit over 110 degrees for the second time this year and Sunday marked the hottest day far this year at 114 degrees.

This dangerous heat is sticking around and Monday will be ABC15 Weather Action Day as a reminder to take action to stay safe in the heat.

Stay hydrated, limit your time outside during the hottest parts of the day (usually between 11 a.m. and 6 p.m.), and wear lightweight, light-colored clothing.

If you have to be outside during the heat of the day, take frequent breaks in the shade or inside to cool off, and don't forget the sunscreen.

Bring your pets inside during the day and never leave kids or pets in your vehicle.

Extreme Heat Warnings will remain in effect for central and southern Arizona on Monday.

The Grand Canyon is also under an Extreme Heat Warning Sunday for areas below 4,000 feet in elevation, including Phantom Ranch and Havasupai Gardens.

Daily highs in the Valley are expected to hit 110 to 114 degrees and come within a degree or two of the daily records on Monday.

Our average first 110-degree day is June 11th, so it's just that time of year when temperatures really start to sizzle.

Temperatures will drop a few degrees by Tuesday, but we'll likely hit 110 or hotter for much of next week.

Monsoon 2025 is officially underway as of Sunday, but we are still waiting for high pressure to set up east of the Four Corners and allow moisture to move in. So for now, our forecast will stay dry.