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 June 15th, 2026 07:36 PM CDT
River Status: Normal

  Height Flow
Currently 5.54 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
  Monday 06/15/2026 06:00 PM 3.95 N/A
  Monday 06/15/2026 07:00 PM 4.79 N/A
  Monday 06/15/2026 08:00 PM 5.33 N/A
  Monday 06/15/2026 09:00 PM 5.37 N/A
  Monday 06/15/2026 10:00 PM 5.18 N/A
  Monday 06/15/2026 11:00 PM 4.94 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 06/15/2026 05:36 PM 4.09 N/A
Monday 06/15/2026 05:42 PM 4.16 N/A
Monday 06/15/2026 05:48 PM 4.24 N/A
Monday 06/15/2026 05:54 PM 4.32 N/A
Monday 06/15/2026 06:00 PM 4.40 N/A
Monday 06/15/2026 06:06 PM 4.49 N/A
Monday 06/15/2026 06:12 PM 4.58 N/A
Monday 06/15/2026 06:18 PM 4.67 N/A
Monday 06/15/2026 06:24 PM 4.76 N/A
Monday 06/15/2026 06:30 PM 4.83 N/A
Monday 06/15/2026 06:36 PM 4.92 N/A
Monday 06/15/2026 06:42 PM 4.99 N/A
Monday 06/15/2026 06:48 PM 5.07 N/A
Monday 06/15/2026 06:54 PM 5.14 N/A
Monday 06/15/2026 07:00 PM 5.21 N/A
Monday 06/15/2026 07:06 PM 5.28 N/A
Monday 06/15/2026 07:12 PM 5.34 N/A
Monday 06/15/2026 07:18 PM 5.40 N/A
Monday 06/15/2026 07:24 PM 5.45 N/A
Monday 06/15/2026 07:30 PM 5.50 N/A

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