Update: The National Weather Service has issued a heat advisory from noon to 8 p.m. Thursday.
The heat index could go as high as 100-104 degrees Thursday afternoon throughout central Pennsylvania, the advisory said. The heat will be broken by one or two rounds of thunderstorms Thursday night, the NWS said.
Previous story: Wednesday could be one of those picture-perfect summer days in York.
Wednesday will be sunny, with a high of 86 and low of 65, according to the National Weather Service. Northwest winds will pick up to 5-8 mph.
Thursday will also be sunny and hotter, with a high of 94 expected along with south winds of 8-11 mph with gusts up to 22 mph, the forecast said. There's a slight chance of showers and thunderstorms Thursday night, mostly after 9 p.m., and the overnight low will be 74.
Friday will be cloudy, with a slight chance of showers and thunderstorms, mostly before 1 p.m., the forecast said. The high will be 92 and the low 71, and winds will be from the west at 5-10 mph.
Saturday will be partly sunny, with a chance of showers and thunderstorms, the forecast said. The high will be 88 and the low 68.
Sunday will be mostly sunny, with a high of 87 and low of 67, the NWS said. There's a chance of showers and thunderstorms.
Monday will be mostly sunny, with high of 87 and low of 68, the forecast said.