NWS extends 121-degree heat warning through Aug. 3 for Maricopa, Pinal counties

The National Weather Service on Friday updated its extereme heat warning for  Maricopa and Pinal counties, extending the chance for 121-degree temperatures through Monday.

The initial warning was set to expire on Sunday, Aug. 2.

Those at higher risk during warnings include:

• Age-Related Sensitivities: Adults older than 65, infants and young children whose bodies cannot regulate internal temperatures efficiently.

• Pregnancy: Pregnant individuals, as heat places extra strain on both the body and cardiovascular system.

• Chronic Health Conditions: People living with heart disease, diabetes, kidney issues or respiratory and breathing problems.

• Medication Interactions: Anyone taking prescription or over-the-counter medications that reduce the body's ability to sweat, cause sun sensitivity or affect fluid balance.

• Environmental Exposure: Outdoor workers, athletes or anyone lacking consistent, reliable access to working air conditioning at home.

Please submit comments at yourvalley.net/letters or email them to AzOpinions@iniusa.org. We are committed to publishing a wide variety of reader opinions, as long as those meet our  Civility Guidelines.