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 29th, 2026 08:30 PM CDT
River Status: Normal

  Height Flow
Currently 5.58 ft 93.1 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 08/30/2026 07:00 AM 5.40 N/A
  Sunday 08/30/2026 01:00 PM 5.30 N/A
  Sunday 08/30/2026 07:00 PM 5.20 N/A
  Monday 08/31/2026 01:00 AM 5.10 N/A
  Monday 08/31/2026 07:00 AM 5.00 N/A
  Monday 08/31/2026 01:00 PM 5.00 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 08/29/2026 10:30 AM 5.62 N/A
Saturday 08/29/2026 11:00 AM 5.71 N/A
Saturday 08/29/2026 11:30 AM 5.58 N/A
Saturday 08/29/2026 12:00 PM 5.62 N/A
Saturday 08/29/2026 12:30 PM 5.61 N/A
Saturday 08/29/2026 01:00 PM 5.58 N/A
Saturday 08/29/2026 01:30 PM 5.61 N/A
Saturday 08/29/2026 02:00 PM 5.70 N/A
Saturday 08/29/2026 02:30 PM 5.43 N/A
Saturday 08/29/2026 03:00 PM 5.52 N/A
Saturday 08/29/2026 03:30 PM 5.42 N/A
Saturday 08/29/2026 04:00 PM 5.60 N/A
Saturday 08/29/2026 04:30 PM 5.56 N/A
Saturday 08/29/2026 05:00 PM 5.54 N/A
Saturday 08/29/2026 05:30 PM 5.59 N/A
Saturday 08/29/2026 06:00 PM 5.57 N/A
Saturday 08/29/2026 06:30 PM 5.57 N/A
Saturday 08/29/2026 07:00 PM 5.58 N/A
Saturday 08/29/2026 07:30 PM 5.58 N/A
Saturday 08/29/2026 08:00 PM 5.56 N/A

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