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: Saturday September 5th, 2026 05:30 PM CDT
River Status: Normal

  Height Flow
Currently 2.25 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
  Saturday 09/05/2026 05:00 PM 2.20 N/A
  Saturday 09/05/2026 06:00 PM 1.96 N/A
  Saturday 09/05/2026 07:00 PM 1.76 N/A
  Saturday 09/05/2026 08:00 PM 1.72 N/A
  Saturday 09/05/2026 09:00 PM 2.01 N/A
  Saturday 09/05/2026 10:00 PM 2.67 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 09/05/2026 03:36 PM 2.71 N/A
Saturday 09/05/2026 03:42 PM 2.71 N/A
Saturday 09/05/2026 03:48 PM 2.71 N/A
Saturday 09/05/2026 03:54 PM 2.67 N/A
Saturday 09/05/2026 04:00 PM 2.64 N/A
Saturday 09/05/2026 04:06 PM 2.60 N/A
Saturday 09/05/2026 04:12 PM 2.58 N/A
Saturday 09/05/2026 04:18 PM 2.57 N/A
Saturday 09/05/2026 04:24 PM 2.55 N/A
Saturday 09/05/2026 04:30 PM 2.50 N/A
Saturday 09/05/2026 04:36 PM 2.49 N/A
Saturday 09/05/2026 04:42 PM 2.47 N/A
Saturday 09/05/2026 04:48 PM 2.46 N/A
Saturday 09/05/2026 04:54 PM 2.44 N/A
Saturday 09/05/2026 05:00 PM 2.36 N/A
Saturday 09/05/2026 05:06 PM 2.32 N/A
Saturday 09/05/2026 05:12 PM 2.33 N/A
Saturday 09/05/2026 05:18 PM 2.34 N/A
Saturday 09/05/2026 05:24 PM 2.29 N/A
Saturday 09/05/2026 05:30 PM 2.25 N/A

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