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 May 28th, 2026 09:36 AM CDT
River Status: Normal

  Height Flow
Currently 4.92 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 05/28/2026 10:00 AM 4.89 N/A
  Thursday 05/28/2026 11:00 AM 4.51 N/A
  Thursday 05/28/2026 12:00 PM 4.14 N/A
  Thursday 05/28/2026 01:00 PM 3.82 N/A
  Thursday 05/28/2026 02:00 PM 3.65 N/A
  Thursday 05/28/2026 03:00 PM 3.71 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Thursday 05/28/2026 07:36 AM 5.67 N/A
Thursday 05/28/2026 07:42 AM 5.63 N/A
Thursday 05/28/2026 07:48 AM 5.60 N/A
Thursday 05/28/2026 07:54 AM 5.57 N/A
Thursday 05/28/2026 08:00 AM 5.53 N/A
Thursday 05/28/2026 08:06 AM 5.50 N/A
Thursday 05/28/2026 08:12 AM 5.45 N/A
Thursday 05/28/2026 08:18 AM 5.42 N/A
Thursday 05/28/2026 08:24 AM 5.37 N/A
Thursday 05/28/2026 08:30 AM 5.34 N/A
Thursday 05/28/2026 08:36 AM 5.30 N/A
Thursday 05/28/2026 08:42 AM 5.27 N/A
Thursday 05/28/2026 08:48 AM 5.22 N/A
Thursday 05/28/2026 08:54 AM 5.18 N/A
Thursday 05/28/2026 09:00 AM 5.14 N/A
Thursday 05/28/2026 09:06 AM 5.10 N/A
Thursday 05/28/2026 09:12 AM 5.06 N/A
Thursday 05/28/2026 09:18 AM 5.02 N/A
Thursday 05/28/2026 09:24 AM 4.98 N/A
Thursday 05/28/2026 09:30 AM 4.95 N/A

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