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: Saturday June 27th, 2026 09:30 PM CDT
River Status: Normal

  Height Flow
Currently 3.93 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
  Saturday 06/27/2026 03:00 PM 2.31 N/A
  Saturday 06/27/2026 04:00 PM 2.70 N/A
  Saturday 06/27/2026 05:00 PM 3.47 N/A
  Saturday 06/27/2026 06:00 PM 4.07 N/A
  Saturday 06/27/2026 07:00 PM 4.22 N/A
  Saturday 06/27/2026 08:00 PM 4.10 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 06/27/2026 07:36 PM 4.31 N/A
Saturday 06/27/2026 07:42 PM 4.29 N/A
Saturday 06/27/2026 07:48 PM 4.28 N/A
Saturday 06/27/2026 07:54 PM 4.26 N/A
Saturday 06/27/2026 08:00 PM 4.23 N/A
Saturday 06/27/2026 08:06 PM 4.20 N/A
Saturday 06/27/2026 08:12 PM 4.19 N/A
Saturday 06/27/2026 08:18 PM 4.17 N/A
Saturday 06/27/2026 08:24 PM 4.15 N/A
Saturday 06/27/2026 08:30 PM 4.13 N/A
Saturday 06/27/2026 08:36 PM 4.11 N/A
Saturday 06/27/2026 08:42 PM 4.09 N/A
Saturday 06/27/2026 08:48 PM 4.08 N/A
Saturday 06/27/2026 08:54 PM 4.05 N/A
Saturday 06/27/2026 09:00 PM 4.04 N/A
Saturday 06/27/2026 09:06 PM 4.02 N/A
Saturday 06/27/2026 09:12 PM 4.00 N/A
Saturday 06/27/2026 09:18 PM 3.97 N/A
Saturday 06/27/2026 09:24 PM 3.95 N/A
Saturday 06/27/2026 09:30 PM 3.93 N/A

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