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 27th, 2026 01:30 PM CDT
River Status: Normal

  Height Flow
Currently 2.22 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 08/27/2026 01:00 PM 2.55 N/A
  Thursday 08/27/2026 02:00 PM 2.05 N/A
  Thursday 08/27/2026 03:00 PM 1.68 N/A
  Thursday 08/27/2026 04:00 PM 1.72 N/A
  Thursday 08/27/2026 05:00 PM 2.51 N/A
  Thursday 08/27/2026 06:00 PM 3.58 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Thursday 08/27/2026 11:36 AM 3.09 N/A
Thursday 08/27/2026 11:42 AM 3.05 N/A
Thursday 08/27/2026 11:48 AM 3.00 N/A
Thursday 08/27/2026 11:54 AM 2.95 N/A
Thursday 08/27/2026 12:00 PM 2.90 N/A
Thursday 08/27/2026 12:06 PM 2.85 N/A
Thursday 08/27/2026 12:12 PM 2.81 N/A
Thursday 08/27/2026 12:18 PM 2.76 N/A
Thursday 08/27/2026 12:24 PM 2.72 N/A
Thursday 08/27/2026 12:30 PM 2.67 N/A
Thursday 08/27/2026 12:36 PM 2.62 N/A
Thursday 08/27/2026 12:42 PM 2.58 N/A
Thursday 08/27/2026 12:48 PM 2.53 N/A
Thursday 08/27/2026 12:54 PM 2.48 N/A
Thursday 08/27/2026 01:00 PM 2.44 N/A
Thursday 08/27/2026 01:06 PM 2.39 N/A
Thursday 08/27/2026 01:12 PM 2.34 N/A
Thursday 08/27/2026 01:18 PM 2.30 N/A
Thursday 08/27/2026 01:24 PM 2.26 N/A
Thursday 08/27/2026 01:30 PM 2.22 N/A

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