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: Wednesday September 3rd, 2025 08:36 AM CDT
River Status: Normal

  Height Flow
Currently 1.89 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
  Wednesday 09/03/2025 10:00 AM 1.26 N/A
  Wednesday 09/03/2025 11:00 AM 0.84 N/A
  Wednesday 09/03/2025 12:00 PM 0.54 N/A
  Wednesday 09/03/2025 01:00 PM 0.50 N/A
  Wednesday 09/03/2025 02:00 PM 0.85 N/A
  Wednesday 09/03/2025 03:00 PM 1.47 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 09/03/2025 06:12 AM 3.04 N/A
Wednesday 09/03/2025 06:18 AM 3.00 N/A
Wednesday 09/03/2025 06:24 AM 2.93 N/A
Wednesday 09/03/2025 06:30 AM 2.90 N/A
Wednesday 09/03/2025 06:36 AM 2.85 N/A
Wednesday 09/03/2025 06:42 AM 2.80 N/A
Wednesday 09/03/2025 06:48 AM 2.76 N/A
Wednesday 09/03/2025 07:06 AM 2.62 N/A
Wednesday 09/03/2025 07:12 AM 2.57 N/A
Wednesday 09/03/2025 07:18 AM 2.52 N/A
Wednesday 09/03/2025 07:36 AM 2.35 N/A
Wednesday 09/03/2025 07:42 AM 2.30 N/A
Wednesday 09/03/2025 07:48 AM 2.26 N/A
Wednesday 09/03/2025 07:54 AM 2.22 N/A
Wednesday 09/03/2025 08:00 AM 2.18 N/A
Wednesday 09/03/2025 08:06 AM 2.13 N/A
Wednesday 09/03/2025 08:12 AM 2.08 N/A
Wednesday 09/03/2025 08:18 AM 2.04 N/A
Wednesday 09/03/2025 08:24 AM 1.99 N/A
Wednesday 09/03/2025 08:30 AM 1.93 N/A

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