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 November 21st, 2025 04:00 PM CST
River Status: Normal

  Height Flow
Currently 3.08 ft 61.2 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
  Friday 11/21/2025 06:00 PM 3.20 62.40
  Saturday 11/22/2025 12:00 AM 3.10 61.40
  Saturday 11/22/2025 06:00 AM 3.00 60.40
  Saturday 11/22/2025 12:00 PM 2.90 59.40
  Saturday 11/22/2025 06:00 PM 2.80 58.30
  Sunday 11/23/2025 12:00 AM 2.70 57.20

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Friday 11/21/2025 06:30 AM 3.31 63.50
Friday 11/21/2025 07:00 AM 3.30 63.40
Friday 11/21/2025 07:30 AM 3.29 63.30
Friday 11/21/2025 08:00 AM 3.27 63.10
Friday 11/21/2025 08:30 AM 3.42 64.60
Friday 11/21/2025 09:00 AM 3.28 63.20
Friday 11/21/2025 09:30 AM 3.27 63.10
Friday 11/21/2025 10:00 AM 3.27 63.10
Friday 11/21/2025 10:30 AM 3.13 61.70
Friday 11/21/2025 11:00 AM 3.16 62.00
Friday 11/21/2025 11:30 AM 3.16 62.00
Friday 11/21/2025 12:00 PM 3.08 61.20
Friday 11/21/2025 12:30 PM 3.10 61.40
Friday 11/21/2025 01:00 PM 3.08 61.20
Friday 11/21/2025 01:30 PM 3.09 61.30
Friday 11/21/2025 02:00 PM 3.09 61.30
Friday 11/21/2025 02:30 PM 3.09 61.30
Friday 11/21/2025 03:00 PM 3.21 62.50
Friday 11/21/2025 03:30 PM 3.10 61.40
Friday 11/21/2025 04:00 PM 3.08 61.20

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