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 June 30th, 2026 11:30 PM CDT
River Status: Normal

  Height Flow
Currently 3.83 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 06/30/2026 07:00 PM 3.44 N/A
  Tuesday 06/30/2026 08:00 PM 4.08 N/A
  Tuesday 06/30/2026 09:00 PM 4.31 N/A
  Tuesday 06/30/2026 10:00 PM 4.24 N/A
  Tuesday 06/30/2026 11:00 PM 4.04 N/A
  Wednesday 07/01/2026 12:00 AM 3.83 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 06/30/2026 09:36 PM 4.18 N/A
Tuesday 06/30/2026 09:42 PM 4.15 N/A
Tuesday 06/30/2026 09:48 PM 4.13 N/A
Tuesday 06/30/2026 09:54 PM 4.11 N/A
Tuesday 06/30/2026 10:00 PM 4.08 N/A
Tuesday 06/30/2026 10:06 PM 4.07 N/A
Tuesday 06/30/2026 10:12 PM 4.04 N/A
Tuesday 06/30/2026 10:18 PM 4.02 N/A
Tuesday 06/30/2026 10:24 PM 4.00 N/A
Tuesday 06/30/2026 10:30 PM 3.99 N/A
Tuesday 06/30/2026 10:36 PM 3.97 N/A
Tuesday 06/30/2026 10:42 PM 3.95 N/A
Tuesday 06/30/2026 10:48 PM 3.94 N/A
Tuesday 06/30/2026 10:54 PM 3.93 N/A
Tuesday 06/30/2026 11:00 PM 3.91 N/A
Tuesday 06/30/2026 11:06 PM 3.90 N/A
Tuesday 06/30/2026 11:12 PM 3.88 N/A
Tuesday 06/30/2026 11:18 PM 3.87 N/A
Tuesday 06/30/2026 11:24 PM 3.85 N/A
Tuesday 06/30/2026 11:30 PM 3.83 N/A

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