The pleasant, sunny weather across Pennsylvania comes to a close, as a low pressure system moves in, bringing rain throughout the state this afternoon. Temperatures will also remain well above average across the Commonwealth. Additionally, there is an elevated risk of flooding and a marginal risk of severe thunderstorms this evening in the eastern half of the Commonwealth. Saturday and Sunday will see overcast skies and widespread showers as the low pressure system stalls over the Ohio River Valley. As the front struggles to move across the state, temperatures on Saturday will remain warm, but will drop to below average on Sunday throughout most of the state. By Monday, the clouds will start to clear as the system exits, leaving a few lingering showers in its wake. This period of dryness doesn’t last long, as a second low pressure system covers Pennsylvania with rain on Tuesday.