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 May 31st, 2026 10:36 AM CDT
River Status: Normal

  Height Flow
Currently 5.09 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 05/31/2026 10:00 AM 5.40 N/A
  Sunday 05/31/2026 11:00 AM 5.12 N/A
  Sunday 05/31/2026 12:00 PM 4.83 N/A
  Sunday 05/31/2026 01:00 PM 4.55 N/A
  Sunday 05/31/2026 02:00 PM 4.19 N/A
  Sunday 05/31/2026 03:00 PM 3.88 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 05/31/2026 08:36 AM 5.70 N/A
Sunday 05/31/2026 08:42 AM 5.68 N/A
Sunday 05/31/2026 08:48 AM 5.66 N/A
Sunday 05/31/2026 08:54 AM 5.63 N/A
Sunday 05/31/2026 09:00 AM 5.61 N/A
Sunday 05/31/2026 09:06 AM 5.58 N/A
Sunday 05/31/2026 09:12 AM 5.55 N/A
Sunday 05/31/2026 09:18 AM 5.53 N/A
Sunday 05/31/2026 09:24 AM 5.50 N/A
Sunday 05/31/2026 09:30 AM 5.46 N/A
Sunday 05/31/2026 09:36 AM 5.43 N/A
Sunday 05/31/2026 09:42 AM 5.39 N/A
Sunday 05/31/2026 09:48 AM 5.36 N/A
Sunday 05/31/2026 09:54 AM 5.33 N/A
Sunday 05/31/2026 10:00 AM 5.30 N/A
Sunday 05/31/2026 10:06 AM 5.27 N/A
Sunday 05/31/2026 10:12 AM 5.23 N/A
Sunday 05/31/2026 10:18 AM 5.20 N/A
Sunday 05/31/2026 10:24 AM 5.16 N/A
Sunday 05/31/2026 10:30 AM 5.12 N/A

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