UPDATE: Be prepared for temperatures up to 109 degrees until Monday night

On Sunday at 12:53 p.m. an updated excessive heat warning was issued by the NWS Fort Worth TX. The warning is for Montague, Cooke, Grayson, Fannin, Lamar, Young, Jack, Wise, Denton, Collin, Hunt, Delta, Hopkins, Palo Pinto, Parker, Tarrant, Dallas, Rockwall, Kaufman, Van Zandt, Rains, Hood, Somervell, Johnson, Ellis, Henderson and Navarro counties.

Dangerously hot conditions with temperatures up to 109 degrees and heat index values up to 111 degrees for portions of north and northeast Texas until 9 p.m. Monday.

"Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities," explains the NWS.

This warning is in effect until Monday at 9 p.m.

NWS Heat Wave Safety Tips: Stay safe with these recommendations

• Stay hydrated: Make sure to drink plenty of fluids.

• Stay in an air-conditioned room.

• Look out for others: Stay out of the sun, and check up on relatives and neighbors.

• Ensure child and pet safety: Do not leave young children and pets unattended in vehicles when car interiors can reach lethal temperatures in a matter of minutes.

• Exercise caution outdoors: If you work or spend time outside, take additional safety measures.

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

• Recognize warning signs: Familiarize yourself with symptoms of heat exhaustion and heat stroke.

• Dress appropriately: Wear lightweight, loose-fitting clothing to stay comfortable.

To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.

Source: The National Weather Service

This story was originally published August 17, 2024 at 12:02 AM.