UPDATE: North Texas under a heat advisory until Tuesday evening, says the NWS

On Monday at 2:36 p.m. an updated heat advisory was issued by the NWS Fort Worth TX. The advisory is for Montague, Cooke, Grayson, Fannin, Young, Jack, Wise, Denton, Collin, Palo Pinto, Parker, Tarrant and Dallas counties.

Heat index values up to 107 degrees for portions of north central Texas until 8 p.m. Tuesday.

"Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities," explains the NWS.

This advisory is in effect until Tuesday at 8 p.m.

NWS Heat Wave Safety Advice: Protect yourself with these recommendations

• Consume plenty of fluids to stay hydrated.

• Find cool shelter: Stay in an air-conditioned room.

• Stay out of the sun, and check up on relatives and neighbors.

• Prioritize child and pet safety: Be vigilant about never leaving young children and pets in vehicles without supervision, especially during periods of intense heat, as car interiors can quickly become extremely hot.

• Be mindful outdoors: Take extra precautions when working or spending time outside.

• Find the right time: Consider rescheduling strenuous activities to early morning or evening if possible.

• Know the red flags: Understand the signs and symptoms of heat exhaustion and heat stroke.

• Dress comfortably: Wear lightweight and loose-fitting clothing.

To ensure safety during outdoor work, adhere to the Occupational Safety and Health Administration (OSHA)'s recommendations by incorporating regular rest breaks in shaded or air-conditioned environments. If someone is affected by heat, immediately transfer them to a cool and shaded area. In an emergency, call 911.

Source: The National Weather Service