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 July 28th, 2026 05:24 AM CDT
River Status: Normal

  Height Flow
Currently 4.84 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
  Monday 07/27/2026 07:00 PM 3.82 N/A
  Monday 07/27/2026 08:00 PM 3.74 N/A
  Monday 07/27/2026 09:00 PM 3.46 N/A
  Monday 07/27/2026 10:00 PM 3.15 N/A
  Monday 07/27/2026 11:00 PM 2.81 N/A
  Tuesday 07/28/2026 12:00 AM 2.47 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 07/28/2026 03:54 AM 4.06 N/A
Tuesday 07/28/2026 04:00 AM 4.13 N/A
Tuesday 07/28/2026 04:06 AM 4.21 N/A
Tuesday 07/28/2026 04:12 AM 4.27 N/A
Tuesday 07/28/2026 04:18 AM 4.34 N/A
Tuesday 07/28/2026 04:24 AM 4.40 N/A
Tuesday 07/28/2026 04:30 AM 4.45 N/A
Tuesday 07/28/2026 04:36 AM 4.49 N/A
Tuesday 07/28/2026 04:42 AM 4.54 N/A
Tuesday 07/28/2026 04:48 AM 4.59 N/A
Tuesday 07/28/2026 04:54 AM 4.64 N/A
Tuesday 07/28/2026 05:00 AM 4.68 N/A
Tuesday 07/28/2026 05:06 AM 4.73 N/A
Tuesday 07/28/2026 05:12 AM 4.77 N/A
Tuesday 07/28/2026 05:18 AM 4.81 N/A
Tuesday 07/28/2026 05:24 AM 4.84 N/A
Tuesday 07/28/2026 05:30 AM 4.87 N/A
Tuesday 07/28/2026 05:36 AM 4.90 N/A
Tuesday 07/28/2026 05:42 AM 4.93 N/A
Tuesday 07/28/2026 05:48 AM 4.95 N/A

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