Allegheny River at Warren, PA

River level and flood forecast · Warren County

Normal3.8 ftas of Mon 4 PM

The river is 10.2 ft below flood stage (14 ft).

Flow: 3,640 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 12 ftFlood 14 ftModerate 15 ftMajor 17 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 stage17 ft
Moderate flood stage15 ft
Flood stage14 ft
Action stage12 ft
Record crest (March 17, 1865)19.4 ft

What floods at each level

From the National Weather Service, highest first.

  • 18 ftMany homes and businesses on both banks experience catastrophic flooding.
  • 17 ftMany homes and businesses are affected by high water. The railroad tracks and business Route 6 are flooded. Water affects Warren General Hospital on the left bank.
  • 15 ftA number of homes and businesses on the right, or north bank are affected by high water. Several streets are closed.
  • 14 ftThe right, or north bank begins to overflow, affecting a few houses and a couple of streets in low lying areas near the river.

Highest crests on record

  1. 19.4 ft — March 17, 1865
  2. 18.3 ft — March 8, 1956
  3. 17.7 ft — December 12, 1873
  4. 17.2 ft — March 27, 1913
  5. 17.1 ft — March 22, 1948

Recent crests: 11.5 ft (June 24, 1972) · 14.2 ft (March 10, 1964) · 15 ft (March 6, 1964) · 14 ft (March 27, 1963) · 14.9 ft (May 25, 1961)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WRRP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.