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: Wednesday July 22nd, 2026 03:36 AM CDT
River Status: Normal

  Height Flow
Currently 4.21 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 07/21/2026 07:00 PM 1.59 N/A
  Tuesday 07/21/2026 08:00 PM 1.62 N/A
  Tuesday 07/21/2026 09:00 PM 2.15 N/A
  Tuesday 07/21/2026 10:00 PM 3.19 N/A
  Tuesday 07/21/2026 11:00 PM 4.23 N/A
  Wednesday 07/22/2026 12:00 AM 4.73 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 07/22/2026 01:36 AM 4.95 N/A
Wednesday 07/22/2026 01:42 AM 4.95 N/A
Wednesday 07/22/2026 01:48 AM 4.93 N/A
Wednesday 07/22/2026 01:54 AM 4.91 N/A
Wednesday 07/22/2026 02:00 AM 4.88 N/A
Wednesday 07/22/2026 02:06 AM 4.84 N/A
Wednesday 07/22/2026 02:12 AM 4.80 N/A
Wednesday 07/22/2026 02:18 AM 4.76 N/A
Wednesday 07/22/2026 02:24 AM 4.71 N/A
Wednesday 07/22/2026 02:30 AM 4.67 N/A
Wednesday 07/22/2026 02:36 AM 4.62 N/A
Wednesday 07/22/2026 02:42 AM 4.58 N/A
Wednesday 07/22/2026 02:48 AM 4.52 N/A
Wednesday 07/22/2026 02:54 AM 4.48 N/A
Wednesday 07/22/2026 03:00 AM 4.44 N/A
Wednesday 07/22/2026 03:06 AM 4.41 N/A
Wednesday 07/22/2026 03:12 AM 4.37 N/A
Wednesday 07/22/2026 03:18 AM 4.32 N/A
Wednesday 07/22/2026 03:24 AM 4.28 N/A
Wednesday 07/22/2026 03:30 AM 4.25 N/A

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