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 2nd, 2026 03:30 PM CDT
River Status: Normal

  Height Flow
Currently 2 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 09/02/2026 02:00 PM 2.84 N/A
  Wednesday 09/02/2026 03:00 PM 2.47 N/A
  Wednesday 09/02/2026 04:00 PM 2.07 N/A
  Wednesday 09/02/2026 05:00 PM 1.77 N/A
  Wednesday 09/02/2026 06:00 PM 1.96 N/A
  Wednesday 09/02/2026 07:00 PM 2.97 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 09/02/2026 01:36 PM 2.88 N/A
Wednesday 09/02/2026 01:42 PM 2.84 N/A
Wednesday 09/02/2026 01:48 PM 2.81 N/A
Wednesday 09/02/2026 01:54 PM 2.78 N/A
Wednesday 09/02/2026 02:00 PM 2.72 N/A
Wednesday 09/02/2026 02:06 PM 2.66 N/A
Wednesday 09/02/2026 02:12 PM 2.63 N/A
Wednesday 09/02/2026 02:18 PM 2.54 N/A
Wednesday 09/02/2026 02:24 PM 2.58 N/A
Wednesday 09/02/2026 02:30 PM 2.58 N/A
Wednesday 09/02/2026 02:36 PM 2.46 N/A
Wednesday 09/02/2026 02:42 PM 2.37 N/A
Wednesday 09/02/2026 02:48 PM 2.34 N/A
Wednesday 09/02/2026 02:54 PM 2.31 N/A
Wednesday 09/02/2026 03:00 PM 2.27 N/A
Wednesday 09/02/2026 03:06 PM 2.20 N/A
Wednesday 09/02/2026 03:12 PM 2.14 N/A
Wednesday 09/02/2026 03:18 PM 2.10 N/A
Wednesday 09/02/2026 03:24 PM 2.06 N/A
Wednesday 09/02/2026 03:30 PM 2.00 N/A

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