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: Tuesday May 19th, 2026 09:36 AM CDT
River Status: Normal

  Height Flow
Currently 7 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
  Tuesday 05/19/2026 11:00 AM 6.97 N/A
  Tuesday 05/19/2026 12:00 PM 6.68 N/A
  Tuesday 05/19/2026 01:00 PM 6.36 N/A
  Tuesday 05/19/2026 02:00 PM 5.97 N/A
  Tuesday 05/19/2026 03:00 PM 5.56 N/A
  Tuesday 05/19/2026 04:00 PM 5.14 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 05/19/2026 07:36 AM 7.08 N/A
Tuesday 05/19/2026 07:42 AM 7.12 N/A
Tuesday 05/19/2026 07:48 AM 7.16 N/A
Tuesday 05/19/2026 07:54 AM 7.18 N/A
Tuesday 05/19/2026 08:00 AM 7.21 N/A
Tuesday 05/19/2026 08:06 AM 7.22 N/A
Tuesday 05/19/2026 08:12 AM 7.24 N/A
Tuesday 05/19/2026 08:18 AM 7.25 N/A
Tuesday 05/19/2026 08:24 AM 7.25 N/A
Tuesday 05/19/2026 08:30 AM 7.25 N/A
Tuesday 05/19/2026 08:36 AM 7.23 N/A
Tuesday 05/19/2026 08:42 AM 7.22 N/A
Tuesday 05/19/2026 08:48 AM 7.20 N/A
Tuesday 05/19/2026 08:54 AM 7.17 N/A
Tuesday 05/19/2026 09:00 AM 7.15 N/A
Tuesday 05/19/2026 09:06 AM 7.13 N/A
Tuesday 05/19/2026 09:12 AM 7.09 N/A
Tuesday 05/19/2026 09:18 AM 7.07 N/A
Tuesday 05/19/2026 09:24 AM 7.04 N/A
Tuesday 05/19/2026 09:30 AM 7.02 N/A

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