The National Weather Service has extended an excessive heat warning for the area to include Fountain Hills through 8 p.m. today, Monday, April 27.

The weather service has also issued an excessive heat warning to begin 10 a.m. Wednesday, April 29 through 8 p.m. on Thursday, April 30 for the south central desert of Arizona including the Phoenix area and Fountain Hills.

The forecast high for Fountain Hills on Wednesday and Thursday is 104 for both days.

An excessive heat warning is a described as a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water, more than usual, and avoid dehydrating alcoholic, sugary, or caffeinated drinks. Dress for the heat with lightweight and light-colored clothing. Eat small meals and eat more often.

Monitor those with a higher vulnerability to heat, including small children. Check in on family, friends, and neighbors, especially the elderly. If engaging in outdoor activity, take longer and more frequent breaks and avoid the hottest parts of the day.

Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult county officials for more details, which may include guidance for proper social distancing measures.

Recognize the signs and symptoms of heat-related illness. Early signs include thirst and muscle cramps. Heat exhaustion may include: cool, moist, pale skin; headache; dizziness; weakness or exhaustion; nausea. The most serious illness is heat stroke, which may include: vomiting; confusion; throbbing headache; decreased alertness or loss of consciousness; high body temperature (above 105F); hot, dry skin; rapid, weak pulse; rapid, shallow breathing; seizures. Heat stroke can be deadly. Treat as an emergency and call 9 1 1.

Also, the Arizona Department of Environmental Quality has issued a high pollution advisory due to ozone for Wednesday, April 29, and Thursday, April 30.

With increased temperatures the ozone levels are expected to exceed the federal standards for pollution levels on that date.

With the advisory Maricopa County Air Quality officials may set its high pollution restrictions in place with a ban on wood burning as well as commercial use of leaf blowers.