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: Friday December 12th, 2025 08:30 PM CST
River Status: Normal

  Height Flow
Currently 2.11 ft 48.9 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
  Saturday 12/13/2025 06:00 AM 2.20 50.30
  Saturday 12/13/2025 12:00 PM 2.30 51.90
  Saturday 12/13/2025 06:00 PM 2.40 53.50
  Sunday 12/14/2025 12:00 AM 2.40 53.50
  Sunday 12/14/2025 06:00 AM 2.40 53.50
  Sunday 12/14/2025 12:00 PM 2.30 51.90

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Friday 12/12/2025 10:30 AM 1.93 46.00
Friday 12/12/2025 11:00 AM 1.95 46.30
Friday 12/12/2025 11:30 AM 1.96 46.50
Friday 12/12/2025 12:00 PM 1.94 46.20
Friday 12/12/2025 12:30 PM 2.00 47.10
Friday 12/12/2025 01:00 PM 2.03 47.60
Friday 12/12/2025 01:30 PM 1.91 45.70
Friday 12/12/2025 02:00 PM 1.94 46.20
Friday 12/12/2025 02:30 PM 2.01 47.30
Friday 12/12/2025 03:00 PM 1.94 46.20
Friday 12/12/2025 03:30 PM 2.04 47.80
Friday 12/12/2025 04:00 PM 2.03 47.60
Friday 12/12/2025 04:30 PM 2.06 48.10
Friday 12/12/2025 05:00 PM 2.03 47.60
Friday 12/12/2025 05:30 PM 2.12 49.10
Friday 12/12/2025 06:00 PM 2.05 48.00
Friday 12/12/2025 06:30 PM 2.21 50.50
Friday 12/12/2025 07:00 PM 2.09 48.60
Friday 12/12/2025 07:30 PM 2.08 48.40
Friday 12/12/2025 08:00 PM 2.15 49.60

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