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: Saturday August 8th, 2026 10:00 AM CDT
River Status: Normal

  Height Flow
Currently 7.48 ft 120 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
  Saturday 08/08/2026 07:00 PM 7.30 N/A
  Sunday 08/09/2026 01:00 AM 7.20 N/A
  Sunday 08/09/2026 07:00 AM 7.10 N/A
  Sunday 08/09/2026 01:00 PM 7.00 N/A
  Sunday 08/09/2026 07:00 PM 6.90 N/A
  Monday 08/10/2026 01:00 AM 6.80 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 08/08/2026 12:30 AM 7.24 N/A
Saturday 08/08/2026 01:00 AM 7.35 N/A
Saturday 08/08/2026 01:30 AM 7.26 N/A
Saturday 08/08/2026 02:00 AM 7.28 N/A
Saturday 08/08/2026 02:30 AM 7.31 N/A
Saturday 08/08/2026 03:00 AM 7.34 N/A
Saturday 08/08/2026 03:30 AM 7.37 N/A
Saturday 08/08/2026 04:00 AM 7.36 N/A
Saturday 08/08/2026 04:30 AM 7.35 N/A
Saturday 08/08/2026 05:00 AM 7.37 N/A
Saturday 08/08/2026 05:30 AM 7.43 N/A
Saturday 08/08/2026 06:00 AM 7.49 N/A
Saturday 08/08/2026 06:30 AM 7.42 N/A
Saturday 08/08/2026 07:00 AM 7.44 N/A
Saturday 08/08/2026 07:30 AM 7.53 N/A
Saturday 08/08/2026 08:00 AM 7.53 N/A
Saturday 08/08/2026 08:30 AM 7.51 N/A
Saturday 08/08/2026 09:00 AM 7.45 N/A
Saturday 08/08/2026 09:30 AM 7.46 N/A
Saturday 08/08/2026 10:00 AM 7.48 N/A

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