Lehigh River at Glendon, PA

River level and flood forecast · Northampton County

Normal9.9 ftas of Mon 3:45 PM

The river is 9.1 ft below flood stage (19 ft).

Flow: 4,720 cubic feet per second (USGS).

The last 7 days and the forecast

510152025TueWedThuFriSatSunMonAction 16 ftFlood 19 ftModerate 20 ftMajor 21 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage21 ft
Moderate flood stage20 ft
Flood stage19 ft
Action stage16 ft
Record crest (April 3, 2005)27.9 ft

What floods at each level

From the National Weather Service, highest first.

  • 16 ftLow lying roads in Easton near the confluence with the Delaware are flooded.

Highest crests on record

  1. 27.9 ft — April 3, 2005
  2. 27.9 ft — June 28, 2006
  3. 24.86 ft — June 23, 1972
  4. 24.5 ft — September 18, 2004
  5. 24.11 ft — September 2, 2021

Recent crests: 19.63 ft (January 10, 2024) · 24.11 ft (September 2, 2021) · 21.21 ft (August 5, 2020) · 21.45 ft (September 9, 2011) · 19.2 ft (August 28, 2011)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GLDP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.