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River Heights NorthWest Pennsylvania

Allegheny River At Olean

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Hydrograph

Stage Color Key
10 ft - Near Flood 12 ft - Minor Flood 17 ft - Moderate Flood 23 ft - Major Flood

Latest Observation: Thursday June 11th, 2026 06:30 AM EDT
River Status: Old Data

  Height Flow
Currently 1.65 ft 0.426 kcfs
Record 26.2 ft 60000 cfs

Forecast
  Date (EDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 07:00 PM 0.00 N/A
  Wednesday 06/10/2026 08:00 PM 1.60 0.40
  Thursday 06/11/2026 02:00 AM 1.60 0.40
  Thursday 06/11/2026 08:00 AM 1.60 0.40
  Thursday 06/11/2026 02:00 PM 1.60 0.40
  Thursday 06/11/2026 08:00 PM 1.60 0.40
  Friday 06/12/2026 02:00 AM 1.60 0.40

Observation
  Date (EDT) Stage (ft) Flow (kcfs)
Thursday 06/11/2026 06:30 AM 1.65 0.43
Thursday 06/11/2026 06:15 AM 1.65 0.43
Thursday 06/11/2026 06:01 AM 1.65 0.43
Thursday 06/11/2026 06:00 AM 1.65 0.43
Thursday 06/11/2026 05:45 AM 1.64 0.42
Thursday 06/11/2026 05:30 AM 1.64 0.42
Thursday 06/11/2026 05:15 AM 1.64 0.42
Thursday 06/11/2026 05:00 AM 1.64 0.42
Thursday 06/11/2026 04:45 AM 1.64 0.42
Thursday 06/11/2026 04:30 AM 1.65 0.43
Thursday 06/11/2026 04:15 AM 1.65 0.43
Thursday 06/11/2026 04:00 AM 1.64 0.42
Thursday 06/11/2026 03:45 AM 1.65 0.43
Thursday 06/11/2026 03:30 AM 1.65 0.43
Thursday 06/11/2026 03:15 AM 1.65 0.43
Thursday 06/11/2026 03:00 AM 1.65 0.43
Thursday 06/11/2026 02:45 AM 1.65 0.43
Thursday 06/11/2026 02:30 AM 1.65 0.43
Thursday 06/11/2026 02:15 AM 1.65 0.43
Thursday 06/11/2026 02:00 AM 1.65 0.43
Thursday 06/11/2026 01:45 AM 1.65 0.43
Thursday 06/11/2026 01:30 AM 1.65 0.43
Thursday 06/11/2026 01:15 AM 1.65 0.43
Thursday 06/11/2026 01:00 AM 1.62 0.41
Thursday 06/11/2026 12:45 AM 1.65 0.43
Thursday 06/11/2026 12:30 AM 1.66 0.43
Thursday 06/11/2026 12:15 AM 1.66 0.43
Thursday 06/11/2026 12:00 AM 1.66 0.43
Wednesday 06/10/2026 11:45 PM 1.66 0.43
Wednesday 06/10/2026 11:30 PM 1.66 0.43

Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org