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: Monday September 14th, 2026 12:30 AM CDT
River Status: Normal

  Height Flow
Currently 5.38 ft 90.2 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
  Monday 09/14/2026 07:00 AM 5.10 N/A
  Monday 09/14/2026 01:00 PM 4.90 N/A
  Monday 09/14/2026 07:00 PM 4.70 N/A
  Tuesday 09/15/2026 01:00 AM 4.50 N/A
  Tuesday 09/15/2026 07:00 AM 4.40 N/A
  Tuesday 09/15/2026 01:00 PM 4.30 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 09/13/2026 02:30 PM 5.02 N/A
Sunday 09/13/2026 03:00 PM 5.06 N/A
Sunday 09/13/2026 03:30 PM 5.10 N/A
Sunday 09/13/2026 04:00 PM 5.10 N/A
Sunday 09/13/2026 04:30 PM 5.20 N/A
Sunday 09/13/2026 05:00 PM 5.08 N/A
Sunday 09/13/2026 05:30 PM 5.25 N/A
Sunday 09/13/2026 06:00 PM 5.26 N/A
Sunday 09/13/2026 06:30 PM 5.35 N/A
Sunday 09/13/2026 07:00 PM 5.29 N/A
Sunday 09/13/2026 07:30 PM 5.36 N/A
Sunday 09/13/2026 08:00 PM 5.35 N/A
Sunday 09/13/2026 08:30 PM 5.35 N/A
Sunday 09/13/2026 09:00 PM 5.36 N/A
Sunday 09/13/2026 09:30 PM 5.44 N/A
Sunday 09/13/2026 10:00 PM 5.36 N/A
Sunday 09/13/2026 10:30 PM 5.49 N/A
Sunday 09/13/2026 11:00 PM 5.34 N/A
Sunday 09/13/2026 11:30 PM 5.37 N/A
Monday 09/14/2026 12:00 AM 5.39 N/A

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