Columbia River At St. Helens

Back to River Summary

Hydrograph

Stage Color Key
14.5 ft - Near Flood 15.5 ft - Minor Flood 18 ft - Moderate Flood 21 ft - Major Flood

Latest Observation: Friday May 22nd, 2026 09:36 AM CDT
River Status: Normal

  Height Flow
Currently 5.06 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
  Thursday 05/21/2026 07:00 PM 3.50 N/A
  Thursday 05/21/2026 08:00 PM 3.39 N/A
  Thursday 05/21/2026 09:00 PM 3.55 N/A
  Thursday 05/21/2026 10:00 PM 4.04 N/A
  Thursday 05/21/2026 11:00 PM 4.61 N/A
  Friday 05/22/2026 12:00 AM 4.92 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 05/22/2026 07:36 AM 4.05 N/A
Friday 05/22/2026 07:42 AM 4.04 N/A
Friday 05/22/2026 07:48 AM 4.06 N/A
Friday 05/22/2026 07:54 AM 4.08 N/A
Friday 05/22/2026 08:00 AM 4.08 N/A
Friday 05/22/2026 08:06 AM 4.19 N/A
Friday 05/22/2026 08:12 AM 4.21 N/A
Friday 05/22/2026 08:18 AM 4.21 N/A
Friday 05/22/2026 08:24 AM 4.27 N/A
Friday 05/22/2026 08:30 AM 4.33 N/A
Friday 05/22/2026 08:36 AM 4.41 N/A
Friday 05/22/2026 08:42 AM 4.49 N/A
Friday 05/22/2026 08:48 AM 4.55 N/A
Friday 05/22/2026 08:54 AM 4.60 N/A
Friday 05/22/2026 09:00 AM 4.66 N/A
Friday 05/22/2026 09:06 AM 4.72 N/A
Friday 05/22/2026 09:12 AM 4.79 N/A
Friday 05/22/2026 09:18 AM 4.86 N/A
Friday 05/22/2026 09:24 AM 4.93 N/A
Friday 05/22/2026 09:30 AM 4.99 N/A

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