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: Sunday September 27th, 2026 09:30 AM CDT
River Status: Normal

  Height Flow
Currently 3.38 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 09/27/2026 10:00 AM 3.19 N/A
  Sunday 09/27/2026 11:00 AM 2.69 N/A
  Sunday 09/27/2026 12:00 PM 2.22 N/A
  Sunday 09/27/2026 01:00 PM 1.73 N/A
  Sunday 09/27/2026 02:00 PM 1.32 N/A
  Sunday 09/27/2026 03:00 PM 1.23 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 09/27/2026 07:36 AM 4.04 N/A
Sunday 09/27/2026 07:42 AM 4.04 N/A
Sunday 09/27/2026 07:48 AM 4.06 N/A
Sunday 09/27/2026 07:54 AM 4.04 N/A
Sunday 09/27/2026 08:00 AM 4.05 N/A
Sunday 09/27/2026 08:06 AM 4.09 N/A
Sunday 09/27/2026 08:12 AM 4.07 N/A
Sunday 09/27/2026 08:18 AM 4.05 N/A
Sunday 09/27/2026 08:24 AM 3.99 N/A
Sunday 09/27/2026 08:30 AM 3.91 N/A
Sunday 09/27/2026 08:36 AM 3.85 N/A
Sunday 09/27/2026 08:42 AM 3.84 N/A
Sunday 09/27/2026 08:48 AM 3.80 N/A
Sunday 09/27/2026 08:54 AM 3.74 N/A
Sunday 09/27/2026 09:00 AM 3.66 N/A
Sunday 09/27/2026 09:06 AM 3.60 N/A
Sunday 09/27/2026 09:12 AM 3.54 N/A
Sunday 09/27/2026 09:18 AM 3.49 N/A
Sunday 09/27/2026 09:24 AM 3.44 N/A
Sunday 09/27/2026 09:30 AM 3.38 N/A

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