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: Friday July 31st, 2026 06:54 AM CDT
River Status: Normal

  Height Flow
Currently 4.32 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
  Thursday 07/30/2026 06:00 PM 2.12 N/A
  Thursday 07/30/2026 07:00 PM 3.11 N/A
  Thursday 07/30/2026 08:00 PM 3.86 N/A
  Thursday 07/30/2026 09:00 PM 4.11 N/A
  Thursday 07/30/2026 10:00 PM 3.87 N/A
  Thursday 07/30/2026 11:00 PM 3.45 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 07/31/2026 04:54 AM 2.79 N/A
Friday 07/31/2026 05:00 AM 2.92 N/A
Friday 07/31/2026 05:06 AM 3.03 N/A
Friday 07/31/2026 05:12 AM 3.15 N/A
Friday 07/31/2026 05:18 AM 3.25 N/A
Friday 07/31/2026 05:24 AM 3.36 N/A
Friday 07/31/2026 05:30 AM 3.46 N/A
Friday 07/31/2026 05:36 AM 3.55 N/A
Friday 07/31/2026 05:42 AM 3.63 N/A
Friday 07/31/2026 05:48 AM 3.73 N/A
Friday 07/31/2026 05:54 AM 3.80 N/A
Friday 07/31/2026 06:00 AM 3.87 N/A
Friday 07/31/2026 06:06 AM 3.92 N/A
Friday 07/31/2026 06:12 AM 4.00 N/A
Friday 07/31/2026 06:18 AM 4.03 N/A
Friday 07/31/2026 06:24 AM 4.05 N/A
Friday 07/31/2026 06:30 AM 4.15 N/A
Friday 07/31/2026 06:36 AM 4.24 N/A
Friday 07/31/2026 06:42 AM 4.26 N/A
Friday 07/31/2026 06:48 AM 4.29 N/A

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