Dangerous heat is forecast to build into the Tennessee Valley this weekend and persist through at least early next week. Heat Indices expected to reach between 95-106° Saturday through Tuesday with the highest values further west. This will be the first heat wave of the 2025 season, so please remember heat safety! Heat is one of the most deadly weather hazards - don't underestimate it. Never leave people or pets alone in a car. Drink plenty of water, even if you don't feel thirsty. Wear loose-fitting, light-colored clothing. Spend time in air conditioning and in the shade.