Mississippi River At Mel Price (alton) Lock And Dam

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Hydrograph

Stage Color Key
19 ft - Near Flood 21 ft - Minor Flood 29 ft - Moderate Flood 34 ft - Major Flood

Latest Observation: Sunday November 8th, 2026 03:30 AM CST
River Status: Normal

  Height Flow
Currently 9.47 ft 150 kcfs
Record 42.72 ft 369500 cfs

Forecast
  Date (CST) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Sunday 11/08/2026 06:00 AM 9.10 N/A
  Sunday 11/08/2026 12:00 PM 9.20 N/A
  Sunday 11/08/2026 06:00 PM 9.20 N/A
  Monday 11/09/2026 12:00 AM 9.20 N/A
  Monday 11/09/2026 06:00 AM 9.30 N/A
  Monday 11/09/2026 12:00 PM 9.30 N/A

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Saturday 11/07/2026 05:30 PM 8.86 N/A
Saturday 11/07/2026 06:00 PM 8.87 N/A
Saturday 11/07/2026 06:30 PM 8.89 N/A
Saturday 11/07/2026 07:00 PM 8.93 N/A
Saturday 11/07/2026 07:30 PM 8.95 N/A
Saturday 11/07/2026 08:00 PM 8.96 N/A
Saturday 11/07/2026 08:30 PM 9.00 N/A
Saturday 11/07/2026 09:00 PM 9.03 N/A
Saturday 11/07/2026 09:30 PM 9.04 N/A
Saturday 11/07/2026 10:00 PM 9.07 N/A
Saturday 11/07/2026 10:30 PM 9.10 N/A
Saturday 11/07/2026 11:00 PM 9.14 N/A
Saturday 11/07/2026 11:30 PM 9.18 N/A
Sunday 11/08/2026 12:00 AM 9.22 N/A
Sunday 11/08/2026 12:30 AM 9.24 N/A
Sunday 11/08/2026 01:00 AM 9.28 N/A
Sunday 11/08/2026 01:30 AM 9.33 N/A
Sunday 11/08/2026 02:00 AM 9.35 N/A
Sunday 11/08/2026 02:30 AM 9.39 N/A
Sunday 11/08/2026 03:00 AM 9.42 N/A

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