Arizona weather forecast: Extreme heat wave brings 110-plus temperatures

PHOENIX - Several changes are expected in our forecast over the next few days!

What to Expect This Week:

Monday was a hotter day in the Valley, with a high temperature of 109 degrees. Strengthening high pressure over the southwest and northern Mexico will cause temperatures to heat up even more through mid-week. Temperatures will fall to 83 degrees Monday night. 

The most impactful changes through the week are to our temperatures. We'll watch our temperatures climb well into the 110+ degree territory starting Tuesday and lasting into next weekend. 

Tuesday will be mostly sunny with a high of 111, until the afternoon, when clouds will move in from the south. There may be a few sprinkles, gusty winds and blowing dust during the evening. In the high country, storms will develop over the Mogollon Rim by early afternoon. Storms will move northeast throughout the afternoon and evening.

Mountain storms, and possibly a stray Valley storm, are in the forecast Wednesday and Thursday as well. Winds will also become breezier across Arizona Wednesday through the weekend. The high country will see up to 35 mph wind gusts Wednesday and Thursday, with up to 45 mph wind gusts Friday and Saturday.

As a result of the building high pressure, the forecast high jumps to 113 on Wednesday as well as Thursday. On Friday, we are forecasting a high of 111 with the high slipping back to around 109 on Saturday and 105 by Sunday.

You can always check the latest weather conditions by visiting the FOX 10 Phoenix weather page, or download the Free FOX 10 Weather app, which is available on Apple iOS and Android.

Scroll down this page for satellite and radar, day planner, records, current temperatures, 10-day forecast, forecast highs, and recent rainfall totals, plus live video feeds.

The following heat safety information was provided by the Scottsdale Fire Department.

What are Heat Emergencies?

Heat Cramps: Profuse sweating, fatigue, extreme thirst, muscle cramps

Heat Exhaustion: Headache, dizziness, weakness, nausea/vomit, Cool/moist skin

Heat Stroke: Elevated temp. +103degrees, confusion/irrational behavior, dry/hot skin, rapid shallow breathing, rapid weak pulse (shock), seizures, unconscious

What to do

• Get person into shade or cool location.
• Cool person with cool, wet cloths (neck, groin, armpits, head) and fan body.
• Sip cool water if person is alert.
• For muscle cramps, massage muscles gently, but firmly until relaxed.
• *If symptoms worsen, call 911.

What not to do

• Do not give anything by mouth if person is vomiting, unable to swallow or unconscious.
• Do not underestimate the seriousness of a heat emergency.
• Prevention/Preparation for hike/exercise in heat.

Know your limitations

• Hydrate (begins day prior to hike/exercise, hour before hike, during and after).
• Wear proper clothing, lightweight and light color, protect head, proper shoes.
• Always carry a cell phone and best to hike with company.
• Always tell someone where you are hiking and when to plan to return.

Preventing heat exhaustion/heat stroke

The Arizona Department of Health Services stated the following precautions can be taken to prevent heat exhaustion or heat stroke:

• Stay in air-conditioned buildings.
• Find a cooling center/hydration station.
• Limit outdoor activity during the hottest part of the day (mid-day).
• Check on at-risk friends, family, and neighbors at least twice a day.
• Drink water before, during, and after working or exercising outside.
• Check the UV Index.
• Check the heat risk map.

Road Conditions

• Call 511 anywhere in Arizona or 1-888-411-ROAD (7623)

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