SPSPHI from 8/12/2021 11:49 PM to 8/13/2021 12:45 AM EDT for Hunterdon County, NJ, Northampton County, PA, Warren County, NJ: Strong thunderstorms will impact portions of Hunterdon, Morris, Sussex, Warren, northwestern Mercer, Somerset, Middlesex, east central Lehigh, northwestern Bucks, eastern Monroe and Northampton Counties through 1245 AM EDT. More information.