* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of New Jersey, including the following counties, Hunterdon, Middlesex, Morris, Somerset, Sussex and Warren and Pennsylvania, including the following counties, Carbon, Lehigh, Monroe and Northampton. * WHEN...From 8 AM EDT this morning through Wednesday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread showers and thunderstorms will move through today into tonight. Rainfall rates of 1 to 3 inches per hour are possible. Another round of heavy rain is anticipated on Wednesday afternoon and evening. This could further result in flash flooding and/or flooding of creeks and streams. Rainfall amount of 2 to 5 inches are expected with locally higher amounts possible. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
AI Weather Forecast · Tuesday, July 28, 2026
7 AM – 6 PM
A slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Mostly cloudy. High near 81, with temperatures falling to around 76 in the afternoon. South wind 3 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
6 PM – 6 AM
Showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 65, with temperatures rising to around 67 overnight. South wind 2 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.