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MOST ACCURATE FORECAST: ABC15 Weather Action Days through Friday with Extreme Heat Warnings

An Extreme Heat Warning is in place for much of southern Arizona as dangerously hot temperatures will blanket much of the lower deserts this week. Phoenix could be as hot as 118° by Thursday!

By: Justin Hobbs

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PHOENIX — Sunday marked 24 days this year that we have hit temperatures above 110 degrees. As high pressure intensifies this week, we expect many more 110 and even 115 degrees days, placing records at risk

The Extreme Heat Warning has now been extended to last now until 8 p.m. Friday for the Valley. This warning has also been extended for all of southern Arizona as well.

Whenever these heat alerts are in effect, those days will be ABC15 Weather Action Days as a reminder to take action to stay safe in these dangerously hot temperatures.

Phoenix could break more records next week as temperatures soar above 115 degrees on Wednesday and Thursday.

Starting Wednesday, we will max out our heat risk scale to extreme, meaning everyone is at risk of heat exhaustion or heat stroke.

Make sure to drink plenty of water, try to limit your time outside between 10 a.m. and 6 p.m., and keep your pets inside, too.

If you must work outdoors, stay hydrated and take frequent breaks in the shade or inside to cool off.

Additionally, be cautious with any objects that you touch that have been outside, as they can quickly cause burns to your skin.

Up north, an Extreme Heat Warning is in effect for parts of the Grand Canyon below 4,000 feet in elevation until 7 p.m. Tuesday. Temperatures down in the canyon could reach a dangerously hot 103 to 113 degrees.

Monsoon moisture will continue to bring low chances for showers and thunderstorms to eastern Arizona, but our Valley forecast will stay dry.

There is a slight chance monsoon moisture will inch closer to the Valley toward next weekend. We'll keep you posted as we get closer.