All of Arkansas is under a heat advisory Wednesday as heat indices are predicted to exceed 105 degrees through the afternoon, forecasters said.
Portions of western Arkansas, including Crawford, Franklin and Sebastian counties are also under an excessive heat warning, according to the National Weather Service.
Northwest Arkansas is under a heat advisory and heat warning until 9 p.m. The heat wave will continue through the weekend until Monday, the Service said, when a cold front will bring clouds and rain to much of the area through Tuesday.
Forecasters said thunderstorms are possible in north and northeast parts of the state, some of which could be strong to severe. The main threats from those storms would be large hail and damaging winds, the agency said.
