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Lehigh River at Bethlehem

Critical Stages
12' - Action
16' - Flood
20' - Moderate
22' - Major

Latest Observation

Updated: 9:30 AM EST 12/6/25

Status: No Flooding

Stage: 1.25 ft

Flow: 0.587 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
1 PM 12/6 1.3 0.633
7 PM 12/6 1.3 0.633
1 AM 12/7 1.3 0.633
7 AM 12/7 1.3 0.633
1 PM 12/7 1.3 0.633
7 PM 12/7 1.3 0.633
1 AM 12/8 1.3 0.633
7 AM 12/8 1.3 0.633
TimeStage (ft)Flow (kcfs)
9:30 AM 12/6 1.25 0.587
9:15 AM 12/6 1.25 0.587
9:00 AM 12/6 1.26 0.596
8:45 AM 12/6 1.26 0.596
8:30 AM 12/6 1.26 0.596
8:15 AM 12/6 1.26 0.596
8:00 AM 12/6 1.26 0.596
7:45 AM 12/6 1.26 0.596
7:30 AM 12/6 1.26 0.596
7:15 AM 12/6 1.26 0.596
7:00 AM 12/6 1.26 0.596
6:45 AM 12/6 1.26 0.596
6:30 AM 12/6 1.26 0.596
6:15 AM 12/6 1.26 0.596
6:00 AM 12/6 1.27 0.605
5:45 AM 12/6 1.27 0.605
5:30 AM 12/6 1.27 0.605
5:15 AM 12/6 1.27 0.605
5:00 AM 12/6 1.27 0.605
4:45 AM 12/6 1.27 0.605
4:30 AM 12/6 1.28 0.614
4:15 AM 12/6 1.28 0.614
4:00 AM 12/6 1.28 0.614
3:45 AM 12/6 1.28 0.614
3:30 AM 12/6 1.28 0.614
3:15 AM 12/6 1.29 0.624
3:00 AM 12/6 1.29 0.624
2:45 AM 12/6 1.29 0.624
2:30 AM 12/6 1.29 0.624
2:15 AM 12/6 1.29 0.624
Hydrograph for Lehigh River at Bethlehem
25' - Levees in the Bethleham area are topped. Major flooding begins.
16' - Wilson Avenue takes on water.
15.5' - Sand Island Recreational Area in Bethlehem is flooded.
15' - The islands in the Allentown area begin to flood.
14' - Flooding begins upstream in Allentown. Backwater begins to effect the Little Lehigh and Jordan creeks.
DateStage (ft)
May 23, 1942 25.9
Feb 28, 1902 24.9
Aug 19, 1955 23.38
Jun 23, 1972 20.02
Sep 18, 2004 19.7
Sep 2, 2021 19.53
Aug 24, 1933 18.7
Jul 10, 1935 18.53
Jun 28, 2006 17.74
Mar 11, 2011 17.17
Jan 25, 1979 17.12
Mar 12, 1936 17.04
Jan 20, 1996 16.68
Apr 3, 2005 16.06
Jan 28, 1996 15.57
Dec 5, 1950 15.31
Nov 22, 1952 13.75
Dec 2, 1996 12.72
Aug 28, 2011 11.91
Sep 9, 2011 11.45

Data provided by the National Weather Service.