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: Monday May 25th, 2026 09:36 AM CDT
River Status: Normal

  Height Flow
Currently 3.32 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
  Monday 05/25/2026 10:00 AM 3.17 N/A
  Monday 05/25/2026 11:00 AM 3.03 N/A
  Monday 05/25/2026 12:00 PM 3.14 N/A
  Monday 05/25/2026 01:00 PM 3.54 N/A
  Monday 05/25/2026 02:00 PM 4.09 N/A
  Monday 05/25/2026 03:00 PM 4.30 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 05/25/2026 07:36 AM 3.89 N/A
Monday 05/25/2026 07:42 AM 3.87 N/A
Monday 05/25/2026 07:48 AM 3.87 N/A
Monday 05/25/2026 07:54 AM 3.83 N/A
Monday 05/25/2026 08:00 AM 3.80 N/A
Monday 05/25/2026 08:06 AM 3.76 N/A
Monday 05/25/2026 08:12 AM 3.71 N/A
Monday 05/25/2026 08:18 AM 3.70 N/A
Monday 05/25/2026 08:24 AM 3.66 N/A
Monday 05/25/2026 08:30 AM 3.63 N/A
Monday 05/25/2026 08:36 AM 3.61 N/A
Monday 05/25/2026 08:42 AM 3.57 N/A
Monday 05/25/2026 08:48 AM 3.55 N/A
Monday 05/25/2026 08:54 AM 3.51 N/A
Monday 05/25/2026 09:00 AM 3.48 N/A
Monday 05/25/2026 09:06 AM 3.46 N/A
Monday 05/25/2026 09:12 AM 3.43 N/A
Monday 05/25/2026 09:18 AM 3.41 N/A
Monday 05/25/2026 09:24 AM 3.38 N/A
Monday 05/25/2026 09:30 AM 3.34 N/A

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