Severe thunderstorm watch in effect for south-central Pennsylvania ...

South-central Pennsylvania has a severe thunderstorm watch until 11 p.m. tonight, according to the National Weather Service in State College.

The watch includes Adams, Lebanon and York counties.

The area is experiencing a heatwave that is expected to last through Saturday. As of 4:30 p.m., it was 92 degrees in York, but the heat index was 101 degrees.

Showers and thunderstorms are possible today, and some of them could be severe, the weather service predicts.

Friday is expected to be even hotter with a high of 98 degrees in York. The heat index could reach 105 degrees, according to the weather service.

More showers and thunderstorms are in the forecast for Friday and Saturday as well.

In the forecast:Ready for 106-degree-like temperatures? Heatwave coming to central Pa. this week