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 July 9th, 2025 03:36 AM CDT
River Status: Normal

  Height Flow
Currently 4.17 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 07/08/2025 07:00 PM 3.34 N/A
  Tuesday 07/08/2025 08:00 PM 3.26 N/A
  Tuesday 07/08/2025 09:00 PM 3.07 N/A
  Tuesday 07/08/2025 10:00 PM 2.86 N/A
  Tuesday 07/08/2025 11:00 PM 2.64 N/A
  Wednesday 07/09/2025 12:00 AM 2.41 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 07/09/2025 12:36 AM 2.28 N/A
Wednesday 07/09/2025 12:42 AM 2.28 N/A
Wednesday 07/09/2025 12:48 AM 2.27 N/A
Wednesday 07/09/2025 01:06 AM 2.30 N/A
Wednesday 07/09/2025 01:12 AM 2.32 N/A
Wednesday 07/09/2025 01:18 AM 2.35 N/A
Wednesday 07/09/2025 01:24 AM 2.38 N/A
Wednesday 07/09/2025 01:30 AM 2.42 N/A
Wednesday 07/09/2025 01:36 AM 2.46 N/A
Wednesday 07/09/2025 01:42 AM 2.52 N/A
Wednesday 07/09/2025 01:48 AM 2.59 N/A
Wednesday 07/09/2025 02:06 AM 2.81 N/A
Wednesday 07/09/2025 02:12 AM 2.89 N/A
Wednesday 07/09/2025 02:18 AM 2.98 N/A
Wednesday 07/09/2025 02:36 AM 3.27 N/A
Wednesday 07/09/2025 02:42 AM 3.37 N/A
Wednesday 07/09/2025 02:48 AM 3.47 N/A
Wednesday 07/09/2025 03:06 AM 3.76 N/A
Wednesday 07/09/2025 03:12 AM 3.85 N/A
Wednesday 07/09/2025 03:18 AM 3.95 N/A

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