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 March 29th, 2026 08:18 AM CDT
River Status: Normal

  Height Flow
Currently 6.3 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
  Sunday 03/29/2026 10:00 AM 6.20 N/A
  Sunday 03/29/2026 11:00 AM 6.01 N/A
  Sunday 03/29/2026 12:00 PM 5.85 N/A
  Sunday 03/29/2026 01:00 PM 5.82 N/A
  Sunday 03/29/2026 02:00 PM 6.08 N/A
  Sunday 03/29/2026 03:00 PM 6.50 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 03/29/2026 06:42 AM 6.54 N/A
Sunday 03/29/2026 06:48 AM 6.53 N/A
Sunday 03/29/2026 06:54 AM 6.52 N/A
Sunday 03/29/2026 07:00 AM 6.51 N/A
Sunday 03/29/2026 07:06 AM 6.50 N/A
Sunday 03/29/2026 07:12 AM 6.49 N/A
Sunday 03/29/2026 07:18 AM 6.47 N/A
Sunday 03/29/2026 07:24 AM 6.44 N/A
Sunday 03/29/2026 07:30 AM 6.44 N/A
Sunday 03/29/2026 07:36 AM 6.42 N/A
Sunday 03/29/2026 07:42 AM 6.40 N/A
Sunday 03/29/2026 07:48 AM 6.39 N/A
Sunday 03/29/2026 07:54 AM 6.38 N/A
Sunday 03/29/2026 08:00 AM 6.36 N/A
Sunday 03/29/2026 08:06 AM 6.34 N/A
Sunday 03/29/2026 08:12 AM 6.32 N/A
Sunday 03/29/2026 08:18 AM 6.30 N/A
Sunday 03/29/2026 08:24 AM 6.28 N/A
Sunday 03/29/2026 08:30 AM 6.26 N/A
Sunday 03/29/2026 08:36 AM 6.24 N/A

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