Juniata River at Mapleton Depot, PA

River level and flood forecast · Huntingdon County

Normal6.1 ftas of Mon 2:15 PM

The river is 13.9 ft below flood stage (20 ft).

Forecast to fall to 3.8 ft by Thu, Oct 15, 2 PM.

Flow: 4,330 cubic feet per second (USGS).

The last 7 days and the forecast

0102030TueThuSatMonWedAction 15 ftFlood 20 ftModerate 24 ftMajor 26 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 stage26 ft
Moderate flood stage24 ft
Flood stage20 ft
Action stage15 ft
Record crest (March 18, 1936)38.2 ft

What floods at each level

From the National Weather Service, highest first.

  • 30 ftWidespread flooding occurs in the Mapleton area.
  • 28 ftNumerous homes and businesses in the Mapleton area are flooded. High water inundates the approaches to the bridge connecting Mapleton with Route 22.
  • 26 ftMany homes on the right, or south bank are affected. The approaches of the highway bridge connecting Mapleton with Route 22 are inundated.
  • 24 ftThe right, or south bank overflows. High water affects homes on the right bank near the gage. The glass plant upstream of the gage on the left bank is also flooded.
  • 22 ftThe left, or north bank overflows into low lying areas. Route 22 is threatened.
  • 20 ftThe left or north bank overflows into low lying areas.

Highest crests on record

  1. 38.2 ft — March 18, 1936
  2. 33.07 ft — June 23, 1972
  3. 26.4 ft — November 25, 1950
  4. 23.76 ft — September 18, 2004
  5. 22.47 ft — January 20, 1996

Recent crests: 23.76 ft (September 18, 2004) · 22.47 ft (January 20, 1996) · 18.33 ft (February 15, 1984) · 33.07 ft (June 23, 1972) · 20.76 ft (April 3, 1970)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MPLP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.