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 July 16th, 2026 03:36 AM CDT
River Status: Normal

  Height Flow
Currently 2.96 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
  Wednesday 07/15/2026 07:00 PM 3.80 N/A
  Wednesday 07/15/2026 08:00 PM 4.95 N/A
  Wednesday 07/15/2026 09:00 PM 5.33 N/A
  Wednesday 07/15/2026 10:00 PM 5.20 N/A
  Wednesday 07/15/2026 11:00 PM 4.77 N/A
  Thursday 07/16/2026 12:00 AM 4.36 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Thursday 07/16/2026 01:36 AM 3.60 N/A
Thursday 07/16/2026 01:42 AM 3.55 N/A
Thursday 07/16/2026 01:48 AM 3.50 N/A
Thursday 07/16/2026 01:54 AM 3.46 N/A
Thursday 07/16/2026 02:00 AM 3.42 N/A
Thursday 07/16/2026 02:06 AM 3.38 N/A
Thursday 07/16/2026 02:12 AM 3.34 N/A
Thursday 07/16/2026 02:18 AM 3.31 N/A
Thursday 07/16/2026 02:24 AM 3.26 N/A
Thursday 07/16/2026 02:30 AM 3.23 N/A
Thursday 07/16/2026 02:36 AM 3.19 N/A
Thursday 07/16/2026 02:42 AM 3.15 N/A
Thursday 07/16/2026 02:48 AM 3.12 N/A
Thursday 07/16/2026 02:54 AM 3.09 N/A
Thursday 07/16/2026 03:00 AM 3.06 N/A
Thursday 07/16/2026 03:06 AM 3.04 N/A
Thursday 07/16/2026 03:12 AM 3.01 N/A
Thursday 07/16/2026 03:18 AM 3.00 N/A
Thursday 07/16/2026 03:24 AM 2.98 N/A
Thursday 07/16/2026 03:30 AM 2.97 N/A

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