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 December 29th, 2025 06:36 AM CST
River Status: Normal

  Height Flow
Currently 4.85 ft N/A
Record 27.1 ft N/A

Forecast
  Date (CST) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Sunday 12/28/2025 08:00 PM 5.36 N/A
  Sunday 12/28/2025 09:00 PM 5.22 N/A
  Sunday 12/28/2025 10:00 PM 5.18 N/A
  Sunday 12/28/2025 11:00 PM 5.22 N/A
  Monday 12/29/2025 12:00 AM 5.34 N/A
  Monday 12/29/2025 01:00 AM 5.41 N/A

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Monday 12/29/2025 04:06 AM 5.33 N/A
Monday 12/29/2025 04:12 AM 5.27 N/A
Monday 12/29/2025 04:30 AM 5.20 N/A
Monday 12/29/2025 04:36 AM 5.19 N/A
Monday 12/29/2025 04:42 AM 5.16 N/A
Monday 12/29/2025 04:48 AM 5.15 N/A
Monday 12/29/2025 05:00 AM 5.12 N/A
Monday 12/29/2025 05:06 AM 5.10 N/A
Monday 12/29/2025 05:12 AM 5.08 N/A
Monday 12/29/2025 05:18 AM 5.06 N/A
Monday 12/29/2025 05:24 AM 5.04 N/A
Monday 12/29/2025 05:30 AM 5.03 N/A
Monday 12/29/2025 05:36 AM -9,999.00 N/A
Monday 12/29/2025 05:42 AM 5.00 N/A
Monday 12/29/2025 06:00 AM 4.94 N/A
Monday 12/29/2025 06:06 AM 4.93 N/A
Monday 12/29/2025 06:18 AM 4.90 N/A
Monday 12/29/2025 06:24 AM 4.88 N/A
Monday 12/29/2025 06:30 AM 4.87 N/A
Monday 12/29/2025 06:36 AM 4.85 N/A

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