Heat advisory goes into effect Friday afternoon

A heat advisory will go into effect Friday afternoon with temperatures expected to be over 100 degrees.

The National Weather Service issued the heat advisory Thursday with it set to go into effect at noon on Friday until 8 p.m. Temperatures are expected to reach 104 with heat index values rising to 108.

The heat advisory goes into effect for Hays, Atascosa, Bastrop, Bexar, Burnet, Caldwell, Comal, De Witt, Fayette, Frio, Gonzales, Guadalupe, Karnes, Lavaca, Lee, Medina, Travis, Uvalde, Williamson and Wilson counties.