The National Weather Service issued a high fire warning at 4:28 p.m. Friday until 8:30 p.m. for Northern Clinton, Northern Centre, Southern Centre, Northern Lycoming, Southern Clinton and Southern Lycoming, as well as Blair, Huntingdon, Bedford, Fulton, Franklin, Sullivan, Union, Snyder, Montour, Northumberland, Columbia, Perry, Dauphin, Lebanon, Cumberland, Adams, York and Lancaster counties.

“A combination of dry and windy conditions will create an increased risk of widespread fire across the southeastern half of PA on Saturday. Relative humidity will drop to the 25 to 40 percent range in the afternoon, with a northwest wind gusting into the upper 20s. 30 MPH. Residents are urged to exercise caution when handling any potential ignition sources such as cars, cigarettes or matches. If the dry grass and tree litter start burning, the fire will spread quickly,” according to the weather report. service.

Advance Local Weather Alerts is a service provided by United Robots that uses machine learning to compile the latest data from the National Weather Service.