WB Susquehanna River at Williamsport, PA
Is WB Susquehanna River at Williamsport, PA flooding right now?
WB Susquehanna River at Williamsport, PA measured 2.90 ft on 2026-09-11 01:15:00 UTC. That observation was 17.1 ft below its 20 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
2.90 ft
Streamflow
6,060 cfs
Minor flooding here begins at 20 ft, with major flooding at 30 ft. The highest crest on record was 34.75 ft on Fri, Jun 23, 1972.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 10 ft | 7.1 ft below |
| Minor flood | 20 ft | 17.1 ft below |
| Moderate flood | 21 ft | 18.1 ft below |
| Major flood | 30 ft | 27.1 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 34.75 ft | 1972-06-23 |
| 33.57 ft | 1936-03-18 |
| 32.4 ft | 1889-06-01 |
| 31 ft | 1884-05-21 |
| 29.6 ft | 1946-05-28 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Lycoming Creek near Williamsport, PA | 3.4 mi | Lycoming County |
| Loyalsock Creek at Loyalsockville, PA | 7.5 mi | Lycoming County |
| West Branch Susquehanna River at Allenwood, PA | 10.4 mi | Union County |
| Lycoming Creek near Trout Run, PA | 12.7 mi | Lycoming County |
| Muncy Creek near Muncy, PA | 12.8 mi | Lycoming County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.