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: Sunday July 19th, 2026 03:36 AM CDT
River Status: Normal

  Height Flow
Currently 2.97 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
  Saturday 07/18/2026 05:00 PM 1.91 N/A
  Saturday 07/18/2026 06:00 PM 1.60 N/A
  Saturday 07/18/2026 07:00 PM 1.60 N/A
  Saturday 07/18/2026 08:00 PM 2.24 N/A
  Saturday 07/18/2026 09:00 PM 3.54 N/A
  Saturday 07/18/2026 10:00 PM 4.33 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 07/19/2026 01:36 AM 3.85 N/A
Sunday 07/19/2026 01:42 AM 3.81 N/A
Sunday 07/19/2026 01:48 AM 3.77 N/A
Sunday 07/19/2026 01:54 AM 3.74 N/A
Sunday 07/19/2026 02:00 AM 3.69 N/A
Sunday 07/19/2026 02:06 AM 3.67 N/A
Sunday 07/19/2026 02:12 AM 3.62 N/A
Sunday 07/19/2026 02:18 AM 3.58 N/A
Sunday 07/19/2026 02:24 AM 3.55 N/A
Sunday 07/19/2026 02:30 AM 3.51 N/A
Sunday 07/19/2026 02:36 AM 3.44 N/A
Sunday 07/19/2026 02:42 AM 3.45 N/A
Sunday 07/19/2026 02:48 AM 3.36 N/A
Sunday 07/19/2026 02:54 AM 3.30 N/A
Sunday 07/19/2026 03:00 AM 3.25 N/A
Sunday 07/19/2026 03:06 AM 3.21 N/A
Sunday 07/19/2026 03:12 AM 3.18 N/A
Sunday 07/19/2026 03:18 AM 3.12 N/A
Sunday 07/19/2026 03:24 AM 3.08 N/A
Sunday 07/19/2026 03:30 AM 3.02 N/A

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