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 May 24th, 2026 07:30 AM CDT
River Status: Normal

  Height Flow
Currently 15.84 ft 246 kcfs
Record 42.72 ft 369500 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Sunday 05/24/2026 07:00 AM 15.90 N/A
  Sunday 05/24/2026 01:00 PM 15.60 N/A
  Sunday 05/24/2026 07:00 PM 15.20 N/A
  Monday 05/25/2026 01:00 AM 14.80 N/A
  Monday 05/25/2026 07:00 AM 14.40 N/A
  Monday 05/25/2026 01:00 PM 14.10 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 05/23/2026 09:30 PM 16.22 N/A
Saturday 05/23/2026 10:00 PM 16.20 N/A
Saturday 05/23/2026 10:30 PM 16.18 N/A
Saturday 05/23/2026 11:00 PM 16.16 N/A
Saturday 05/23/2026 11:30 PM 16.14 N/A
Sunday 05/24/2026 12:00 AM 16.12 N/A
Sunday 05/24/2026 12:30 AM 16.10 N/A
Sunday 05/24/2026 01:00 AM 16.09 N/A
Sunday 05/24/2026 01:30 AM 16.07 N/A
Sunday 05/24/2026 02:00 AM 16.05 N/A
Sunday 05/24/2026 02:30 AM 16.03 N/A
Sunday 05/24/2026 03:00 AM 16.01 N/A
Sunday 05/24/2026 03:30 AM 15.99 N/A
Sunday 05/24/2026 04:00 AM 15.97 N/A
Sunday 05/24/2026 04:30 AM 15.95 N/A
Sunday 05/24/2026 05:00 AM 15.94 N/A
Sunday 05/24/2026 05:30 AM 15.92 N/A
Sunday 05/24/2026 06:00 AM 15.90 N/A
Sunday 05/24/2026 06:30 AM 15.88 N/A
Sunday 05/24/2026 07:00 AM 15.86 N/A

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