The National Weather Service in Philadelphia has issued a Flood Watch for Carbon County and other areas until 11 PM tonight (Sunday, May 31, 2015).

It reads:
… FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING…
THE FLASH FLOOD WATCH CONTINUES FOR
* PORTIONS OF NORTHWESTERN NEW JERSEY AND NORTHEAST PENNSYLVANIA… INCLUDING THE FOLLOWING AREAS… IN NORTHWESTERN NEW JERSEY… MORRIS… SUSSEX AND WARREN. IN NORTHEAST PENNSYLVANIA… CARBON… MONROE AND NORTHAMPTON.
* UNTIL 11 PM EDT THIS EVENING
* CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF WIDESPREAD HEAVY RAINS FROM BANDS OF THUNDERSTORMS IN THE WATCH AREA ALONG AND NORTH OF ROUTE 80 LATE THIS AFTERNOON AND EVENING. THESE THUNDERSTORMS MAY PRODUCE NARROW SWATHS OF EXCESSIVE SHORT DURATION RAINFALL… POSSIBLY AS MUCH AS 2 INCHES IN AN HOUR WITH ISOLATED STORM TOTALS NEAR 4 INCHES. IF THESE TORRENTIAL RAINS OCCUR… POCKETS OF DANGEROUS STREET AND HIGHWAY FLOODING WOULD RESULT SOMETIME VERY LATE THIS AFTERNOON OR MORE LIKELY EARLY THIS EVENING.
* THERE WAS A REPORT EARLIER THIS AFTERNOON OF 1.5 INCHES OF RAIN IN 45 MINUTES FROM FORKS TOWNSHIP IN NORTHAMPTON COUNTY PENNSYLVANIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.