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: Monday July 13th, 2026 02:36 AM CDT
River Status: Normal

  Height Flow
Currently 4.07 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 07/12/2026 05:00 PM 3.17 N/A
  Sunday 07/12/2026 06:00 PM 3.61 N/A
  Sunday 07/12/2026 07:00 PM 3.63 N/A
  Sunday 07/12/2026 08:00 PM 3.41 N/A
  Sunday 07/12/2026 09:00 PM 3.16 N/A
  Sunday 07/12/2026 10:00 PM 2.90 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 07/13/2026 12:36 AM 2.42 N/A
Monday 07/13/2026 12:42 AM 2.42 N/A
Monday 07/13/2026 12:48 AM 2.49 N/A
Monday 07/13/2026 12:54 AM 2.42 N/A
Monday 07/13/2026 01:00 AM 2.40 N/A
Monday 07/13/2026 01:06 AM 2.42 N/A
Monday 07/13/2026 01:12 AM 2.63 N/A
Monday 07/13/2026 01:18 AM 2.64 N/A
Monday 07/13/2026 01:24 AM 2.66 N/A
Monday 07/13/2026 01:30 AM 2.71 N/A
Monday 07/13/2026 01:36 AM 2.84 N/A
Monday 07/13/2026 01:42 AM 2.97 N/A
Monday 07/13/2026 01:48 AM 3.07 N/A
Monday 07/13/2026 01:54 AM 3.17 N/A
Monday 07/13/2026 02:00 AM 3.29 N/A
Monday 07/13/2026 02:06 AM 3.41 N/A
Monday 07/13/2026 02:12 AM 3.55 N/A
Monday 07/13/2026 02:18 AM 3.69 N/A
Monday 07/13/2026 02:24 AM 3.81 N/A
Monday 07/13/2026 02:30 AM 3.94 N/A

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