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: Tuesday October 6th, 2026 11:30 AM CDT
River Status: Normal

  Height Flow
Currently 0.59 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
  Tuesday 10/06/2026 01:00 PM 1.11 N/A
  Tuesday 10/06/2026 02:00 PM 1.98 N/A
  Tuesday 10/06/2026 03:00 PM 2.84 N/A
  Tuesday 10/06/2026 04:00 PM 3.33 N/A
  Tuesday 10/06/2026 05:00 PM 3.40 N/A
  Tuesday 10/06/2026 06:00 PM 3.08 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 10/06/2026 09:36 AM 1.32 N/A
Tuesday 10/06/2026 09:42 AM 1.28 N/A
Tuesday 10/06/2026 09:48 AM 1.23 N/A
Tuesday 10/06/2026 09:54 AM 1.19 N/A
Tuesday 10/06/2026 10:00 AM 1.15 N/A
Tuesday 10/06/2026 10:06 AM 1.10 N/A
Tuesday 10/06/2026 10:12 AM 1.06 N/A
Tuesday 10/06/2026 10:18 AM 1.02 N/A
Tuesday 10/06/2026 10:24 AM 0.98 N/A
Tuesday 10/06/2026 10:30 AM 0.94 N/A
Tuesday 10/06/2026 10:36 AM 0.84 N/A
Tuesday 10/06/2026 10:42 AM 0.80 N/A
Tuesday 10/06/2026 10:48 AM 0.77 N/A
Tuesday 10/06/2026 10:54 AM 0.74 N/A
Tuesday 10/06/2026 11:00 AM 0.71 N/A
Tuesday 10/06/2026 11:06 AM 0.68 N/A
Tuesday 10/06/2026 11:12 AM 0.66 N/A
Tuesday 10/06/2026 11:18 AM 0.63 N/A
Tuesday 10/06/2026 11:24 AM 0.61 N/A
Tuesday 10/06/2026 11:30 AM 0.59 N/A

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