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: Wednesday August 12th, 2026 09:24 AM CDT
River Status: Normal

  Height Flow
Currently 4.25 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
  Wednesday 08/12/2026 10:00 AM 4.06 N/A
  Wednesday 08/12/2026 11:00 AM 3.55 N/A
  Wednesday 08/12/2026 12:00 PM 3.01 N/A
  Wednesday 08/12/2026 01:00 PM 2.47 N/A
  Wednesday 08/12/2026 02:00 PM 1.95 N/A
  Wednesday 08/12/2026 03:00 PM 1.59 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 08/12/2026 07:54 AM 5.04 N/A
Wednesday 08/12/2026 08:00 AM 4.98 N/A
Wednesday 08/12/2026 08:06 AM 4.91 N/A
Wednesday 08/12/2026 08:12 AM 4.85 N/A
Wednesday 08/12/2026 08:18 AM 4.79 N/A
Wednesday 08/12/2026 08:24 AM 4.73 N/A
Wednesday 08/12/2026 08:30 AM 4.69 N/A
Wednesday 08/12/2026 08:36 AM 4.61 N/A
Wednesday 08/12/2026 08:42 AM 4.54 N/A
Wednesday 08/12/2026 08:48 AM 4.52 N/A
Wednesday 08/12/2026 08:54 AM 4.51 N/A
Wednesday 08/12/2026 09:00 AM 4.47 N/A
Wednesday 08/12/2026 09:06 AM 4.41 N/A
Wednesday 08/12/2026 09:12 AM 4.35 N/A
Wednesday 08/12/2026 09:18 AM 4.30 N/A
Wednesday 08/12/2026 09:24 AM 4.25 N/A
Wednesday 08/12/2026 09:30 AM 4.22 N/A
Wednesday 08/12/2026 09:36 AM 4.17 N/A
Wednesday 08/12/2026 09:42 AM 4.12 N/A
Wednesday 08/12/2026 09:48 AM 4.05 N/A

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