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: Wednesday October 14th, 2026 08:30 PM CDT
River Status: Normal

  Height Flow
Currently 9.33 ft 148 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
  Thursday 10/15/2026 07:00 AM 9.20 N/A
  Thursday 10/15/2026 01:00 PM 9.10 N/A
  Thursday 10/15/2026 07:00 PM 8.90 N/A
  Friday 10/16/2026 01:00 AM 8.70 N/A
  Friday 10/16/2026 07:00 AM 8.50 N/A
  Friday 10/16/2026 01:00 PM 8.40 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 10/14/2026 10:00 AM 11.11 N/A
Wednesday 10/14/2026 10:30 AM 10.84 N/A
Wednesday 10/14/2026 11:30 AM 10.81 N/A
Wednesday 10/14/2026 12:00 PM 10.60 N/A
Wednesday 10/14/2026 12:30 PM 10.10 N/A
Wednesday 10/14/2026 01:00 PM 9.97 N/A
Wednesday 10/14/2026 01:30 PM 9.86 N/A
Wednesday 10/14/2026 02:00 PM 9.76 N/A
Wednesday 10/14/2026 02:30 PM 9.68 N/A
Wednesday 10/14/2026 03:00 PM 9.61 N/A
Wednesday 10/14/2026 03:30 PM 9.59 N/A
Wednesday 10/14/2026 04:00 PM 9.55 N/A
Wednesday 10/14/2026 04:30 PM 9.50 N/A
Wednesday 10/14/2026 05:00 PM 9.50 N/A
Wednesday 10/14/2026 05:30 PM 9.48 N/A
Wednesday 10/14/2026 06:00 PM 9.47 N/A
Wednesday 10/14/2026 06:30 PM 9.44 N/A
Wednesday 10/14/2026 07:00 PM 9.42 N/A
Wednesday 10/14/2026 07:30 PM 9.39 N/A
Wednesday 10/14/2026 08:00 PM 9.38 N/A

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