Meramec River Near Sullivan

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Hydrograph

Stage Color Key
9 ft - Near Flood 11 ft - Minor Flood 20 ft - Moderate Flood 29 ft - Major Flood

Latest Observation: Monday May 18th, 2026 12:29 PM CDT
River Status: Normal

  Height Flow
Currently 3.55 ft 0.67 kcfs
Record 36.52 ft 95300 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Monday 05/18/2026 07:00 PM 4.00 0.95
  Tuesday 05/19/2026 01:00 AM 5.40 2.12
  Tuesday 05/19/2026 07:00 AM 6.90 3.82
  Tuesday 05/19/2026 01:00 PM 8.30 5.78
  Tuesday 05/19/2026 07:00 PM 9.60 7.93
  Wednesday 05/20/2026 01:00 AM 10.60 9.78

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 05/18/2026 07:29 AM 3.53 0.66
Monday 05/18/2026 07:44 AM 3.54 0.66
Monday 05/18/2026 07:59 AM 3.53 0.66
Monday 05/18/2026 08:14 AM 3.55 0.67
Monday 05/18/2026 08:29 AM 3.53 0.66
Monday 05/18/2026 08:44 AM 3.55 0.67
Monday 05/18/2026 08:59 AM 3.53 0.66
Monday 05/18/2026 09:14 AM 3.54 0.66
Monday 05/18/2026 09:29 AM 3.54 0.66
Monday 05/18/2026 09:44 AM 3.47 0.62
Monday 05/18/2026 09:59 AM 3.51 0.65
Monday 05/18/2026 10:14 AM 3.51 0.65
Monday 05/18/2026 10:29 AM 3.51 0.65
Monday 05/18/2026 10:44 AM 3.51 0.65
Monday 05/18/2026 10:59 AM 3.52 0.65
Monday 05/18/2026 11:14 AM 3.49 0.64
Monday 05/18/2026 11:29 AM 3.51 0.65
Monday 05/18/2026 11:44 AM 3.51 0.65
Monday 05/18/2026 11:59 AM 3.53 0.66
Monday 05/18/2026 12:14 PM 3.57 0.68

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