Columbia River At St. Helens

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Hydrograph

Stage Color Key
14.5 ft - Near Flood 15.5 ft - Minor Flood 18 ft - Moderate Flood 21 ft - Major Flood

Latest Observation: Thursday August 6th, 2026 09:54 AM CDT
River Status: Normal

  Height Flow
Currently 1.75 ft N/A
Record 27.1 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Thursday 08/06/2026 10:00 AM 1.66 N/A
  Thursday 08/06/2026 11:00 AM 2.18 N/A
  Thursday 08/06/2026 12:00 PM 2.71 N/A
  Thursday 08/06/2026 01:00 PM 2.89 N/A
  Thursday 08/06/2026 02:00 PM 2.78 N/A
  Thursday 08/06/2026 03:00 PM 2.55 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Thursday 08/06/2026 07:54 AM 1.86 N/A
Thursday 08/06/2026 08:00 AM 1.82 N/A
Thursday 08/06/2026 08:06 AM 1.78 N/A
Thursday 08/06/2026 08:12 AM 1.76 N/A
Thursday 08/06/2026 08:18 AM 1.74 N/A
Thursday 08/06/2026 08:24 AM 1.71 N/A
Thursday 08/06/2026 08:30 AM 1.70 N/A
Thursday 08/06/2026 08:36 AM 1.68 N/A
Thursday 08/06/2026 08:42 AM 1.67 N/A
Thursday 08/06/2026 08:48 AM 1.65 N/A
Thursday 08/06/2026 08:54 AM 1.59 N/A
Thursday 08/06/2026 09:00 AM 1.63 N/A
Thursday 08/06/2026 09:06 AM 1.67 N/A
Thursday 08/06/2026 09:12 AM 1.66 N/A
Thursday 08/06/2026 09:18 AM 1.63 N/A
Thursday 08/06/2026 09:24 AM 1.63 N/A
Thursday 08/06/2026 09:30 AM 1.66 N/A
Thursday 08/06/2026 09:36 AM 1.69 N/A
Thursday 08/06/2026 09:42 AM 1.70 N/A
Thursday 08/06/2026 09:48 AM 1.72 N/A

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