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: Thursday November 5th, 2026 04:30 AM CST
River Status: Normal

  Height Flow
Currently 6.12 ft 101 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
  Thursday 11/05/2026 06:00 AM 6.20 N/A
  Thursday 11/05/2026 12:00 PM 6.20 N/A
  Thursday 11/05/2026 06:00 PM 6.30 N/A
  Friday 11/06/2026 12:00 AM 6.50 N/A
  Friday 11/06/2026 06:00 AM 6.60 N/A
  Friday 11/06/2026 12:00 PM 6.80 N/A

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Wednesday 11/04/2026 06:30 PM 6.03 N/A
Wednesday 11/04/2026 07:00 PM 6.06 N/A
Wednesday 11/04/2026 07:30 PM 6.09 N/A
Wednesday 11/04/2026 08:00 PM 6.08 N/A
Wednesday 11/04/2026 08:30 PM 6.07 N/A
Wednesday 11/04/2026 09:00 PM 6.13 N/A
Wednesday 11/04/2026 09:30 PM 6.07 N/A
Wednesday 11/04/2026 10:00 PM 6.09 N/A
Wednesday 11/04/2026 10:30 PM 6.12 N/A
Wednesday 11/04/2026 11:00 PM 6.08 N/A
Wednesday 11/04/2026 11:30 PM 6.12 N/A
Thursday 11/05/2026 12:00 AM 6.12 N/A
Thursday 11/05/2026 12:30 AM 6.11 N/A
Thursday 11/05/2026 01:00 AM 6.10 N/A
Thursday 11/05/2026 01:30 AM 6.23 N/A
Thursday 11/05/2026 02:00 AM 6.09 N/A
Thursday 11/05/2026 02:30 AM 6.12 N/A
Thursday 11/05/2026 03:00 AM 6.13 N/A
Thursday 11/05/2026 03:30 AM 6.09 N/A
Thursday 11/05/2026 04:00 AM 6.12 N/A

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