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 9th, 2026 09:24 AM CDT
River Status: Normal

  Height Flow
Currently 2.65 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 08/09/2026 10:00 AM 2.28 N/A
  Sunday 08/09/2026 11:00 AM 1.82 N/A
  Sunday 08/09/2026 12:00 PM 1.41 N/A
  Sunday 08/09/2026 01:00 PM 1.16 N/A
  Sunday 08/09/2026 02:00 PM 1.20 N/A
  Sunday 08/09/2026 03:00 PM 1.71 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 08/09/2026 08:00 AM 3.34 N/A
Sunday 08/09/2026 08:06 AM 3.28 N/A
Sunday 08/09/2026 08:12 AM 3.21 N/A
Sunday 08/09/2026 08:18 AM 3.16 N/A
Sunday 08/09/2026 08:24 AM 3.11 N/A
Sunday 08/09/2026 08:30 AM 3.06 N/A
Sunday 08/09/2026 08:36 AM 3.02 N/A
Sunday 08/09/2026 08:42 AM 2.97 N/A
Sunday 08/09/2026 08:48 AM 2.92 N/A
Sunday 08/09/2026 08:54 AM 2.88 N/A
Sunday 08/09/2026 09:00 AM 2.83 N/A
Sunday 08/09/2026 09:06 AM 2.78 N/A
Sunday 08/09/2026 09:12 AM 2.74 N/A
Sunday 08/09/2026 09:18 AM 2.69 N/A
Sunday 08/09/2026 09:24 AM 2.65 N/A
Sunday 08/09/2026 09:30 AM 2.60 N/A
Sunday 08/09/2026 09:36 AM 2.56 N/A
Sunday 08/09/2026 09:42 AM 2.52 N/A
Sunday 08/09/2026 09:48 AM 2.47 N/A
Sunday 08/09/2026 09:54 AM 2.43 N/A

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