UPDATE: Heat advisory affecting North Texas until Wednesday night, says the NWS

The NWS Fort Worth TX issued an updated heat advisory at 5:46 a.m. on Wednesday. The advisory is for Jack, Palo Pinto, Erath, Hood, Somervell, Bosque, Hill and Limestone counties.

Heat index values up to 108 degrees anticipated for Bosque, Erath, Hill, Hood, Jack, Limestone, Palo Pinto, and Somervell counties until 9 p.m. this evening.

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

This advisory is in effect until 9 p.m.

During heat waves, consider the following tips from the NWS

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.

• Find cool shelter: 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: Take every precaution to never leave young children and pets alone in vehicles, especially in extreme heat when car interiors can quickly become hazardous.

• Be cautious outdoors: Take extra precautions if you work or spend time outside.

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

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

• Stay cool with clothing: Wear lightweight and loose-fitting clothing.

For a safer outdoor work environment, follow the Occupational Safety and Health Administration (OSHA)'s guidance by scheduling regular rest breaks in shaded or air-conditioned places. If anyone shows signs of heat illness, promptly move them to a cool, shaded area. In an emergency, call 911.

Source: The National Weather Service