Sinnemahoning Creek at Sinnemahoning, PA

River level and flood forecast · Cameron County

Normal3.0 ftas of Mon 3:45 PM

The river is 14.0 ft below flood stage (17 ft).

Forecast to fall to 2.2 ft by Thu, Oct 15, 2 PM.

Flow: 741 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025TueThuSatMonWedAction 13 ftFlood 17 ftModerate 19 ftMajor 21 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 2:51 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage21 ft
Moderate flood stage19 ft
Flood stage17 ft
Action stage13 ft
Record crest (June 23, 1972)21.78 ft

What floods at each level

From the National Weather Service, highest first.

  • 33.5 ftFEMA 0.2% Annual Chance Flood Level (500-year flood).
  • 25 ftFEMA 1% Annual Chance Flood Level (100-year flood).
  • 22 ftFEMA 2% Annual Chance Flood Level (50-year flood). Flood of record from March 1936.
  • 21 ftBoth banks overflow. A number of homes on both banks are affected. Route 120 is innundated.
  • 19 ftSeveral homes on the right, or south bank across from the mouth of the First Fork are affected by high water. Water level approaches Route 120 near the mouth of the First Fork.
  • 17.5 ftFlood waters begin to reach the Wykoff Road Bridge.
  • 17 ftThe right, or south bank overflows across from the mouth of the First Fork of the Sinnemahoning.
  • 15.5 ftFEMA 10% Annual Chance Flood Level (10-year flood).

Highest crests on record

  1. 21.78 ft — June 23, 1972
  2. 19.66 ft — November 25, 1950
  3. 19.02 ft — January 19, 1996
  4. 17.78 ft — September 18, 2004
  5. 17.1 ft — March 10, 1964

Recent crests: 17.78 ft (September 18, 2004) · 19.02 ft (January 19, 1996) · 21.78 ft (June 23, 1972) · 17.1 ft (March 10, 1964) · 19.66 ft (November 25, 1950)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SNNP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.