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 August 30th, 2026 02:30 PM CDT
River Status: Normal

  Height Flow
Currently 1.61 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 08/30/2026 03:00 PM 1.33 N/A
  Sunday 08/30/2026 04:00 PM 1.04 N/A
  Sunday 08/30/2026 05:00 PM 1.17 N/A
  Sunday 08/30/2026 06:00 PM 1.97 N/A
  Sunday 08/30/2026 07:00 PM 3.10 N/A
  Sunday 08/30/2026 08:00 PM 3.98 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 08/30/2026 12:36 PM 2.66 N/A
Sunday 08/30/2026 12:42 PM 2.61 N/A
Sunday 08/30/2026 12:48 PM 2.56 N/A
Sunday 08/30/2026 12:54 PM 2.50 N/A
Sunday 08/30/2026 01:00 PM 2.45 N/A
Sunday 08/30/2026 01:06 PM 2.39 N/A
Sunday 08/30/2026 01:12 PM 2.33 N/A
Sunday 08/30/2026 01:18 PM 2.28 N/A
Sunday 08/30/2026 01:24 PM 2.23 N/A
Sunday 08/30/2026 01:30 PM 2.18 N/A
Sunday 08/30/2026 01:36 PM 2.13 N/A
Sunday 08/30/2026 01:42 PM 2.06 N/A
Sunday 08/30/2026 01:48 PM 2.00 N/A
Sunday 08/30/2026 01:54 PM 1.98 N/A
Sunday 08/30/2026 02:00 PM 1.90 N/A
Sunday 08/30/2026 02:06 PM 1.87 N/A
Sunday 08/30/2026 02:12 PM 1.82 N/A
Sunday 08/30/2026 02:18 PM 1.86 N/A
Sunday 08/30/2026 02:24 PM 1.65 N/A
Sunday 08/30/2026 02:30 PM 1.61 N/A

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