The National Weather Service on Wednesday placed Pinal County under  an  extreme heat warning through Friday, June 20.

Maricopa County had already been on the list.

Daytime high temperatures could reach 116 degrees, forecasters said.

The NWS advises:

Stay Cool

1. Limit outdoor activity to when it’s coolest, like morning and evening hours.
2. Find the nearest heat relief site (cooling center, respite center, hydration station)for free access to air conditioning and water.
3. Do not leave children or pets alone in a parked car.

Stay Hydrated

1. Drink plenty of waterthroughout the day.
2. Avoid alcohol and drinks with high caffeine or sugar.

Stay Informed

1. Look out for signs and symptoms of heat-related illnesses: dizziness, muscle cramps, nausea, headache and confusion.
2. Check the weather forecast for temperature, air quality, and UV index.
3. Learn more about today's NWS HeatRisk map.

Stay Connected

1. Check on family, friends, pets and neighbors, especially those who are sensitive to heat, such as individuals over 65, those with chronic medical conditions, people living alone and those who are unhoused.
2. Share your location with friends and loved ones before taking a road trip, hiking or camping and use Arizona 511for road conditions and traffic information.

Be SunWise

Limit sun exposure with sunglasses, hats and lightweight clothing. Use SPF 30+ sunscreen to protect skin from UV rays.