Two thunderstorms – both with the potential to produce severe weather – are expected to hit Alabama Sunday through Monday.

The first wave will enter northern Alabama early to mid-afternoon and affect mainly areas north of I-20 to 5, said Jim Stefkovich, meteorologist with the Alabama Emergency Management Agency. pm The second storm will enter northern Alabama between 5 p.m. and 8 p.m., combine with the first and continue south across the state through Monday morning.

Both waves will likely cause straight wind damage and heavy hail, especially for areas west of I-65.

READ MORE: Major storm risk increases for Alabama on Sunday

The first storm will hit the northern third of the state between noon and 4 p.m. The central part of the state, including Birmingham, will have storms starting around 2pm before leaving around 5pm. The lower third of the state is not expected to see any severe weather.

The second wave will enter the northern part of the state around 5 p.m. and last until about midnight. The storm will begin around 7 p.m. for the central third of the state before dissipating around 2 a.m. The southern third of the state will have a potential for severe weather in a second wave from around 9 p.m. – 4 a.m

By Monday afternoon, some storms could bring gusts and hail east of I-65 but severe weather is not expected to spread.

Heat will increase after storms. Stefkovich said the Temperature Advisory will go into effect Sunday for counties in Washington and Mobile, as temperatures will be like 109 degrees in many locations this afternoon. Heat advisory will expand to other parts of the state later this week.

READ MORE: Will it hit 100 degrees this week? This is where and when