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: Wednesday October 22nd, 2025 05:30 PM CDT
River Status: Normal

  Height Flow
Currently 2.68 ft 57 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
  Wednesday 10/22/2025 07:00 PM 2.40 53.50
  Thursday 10/23/2025 01:00 AM 2.40 53.50
  Thursday 10/23/2025 07:00 AM 2.40 53.50
  Thursday 10/23/2025 01:00 PM 2.40 53.50
  Thursday 10/23/2025 07:00 PM 2.40 53.50
  Friday 10/24/2025 01:00 AM 2.40 53.50

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 10/22/2025 07:00 AM 2.43 53.90
Wednesday 10/22/2025 07:30 AM 2.35 52.70
Wednesday 10/22/2025 08:00 AM 2.51 55.10
Wednesday 10/22/2025 08:30 AM 2.49 54.80
Wednesday 10/22/2025 09:00 AM 2.43 53.90
Wednesday 10/22/2025 09:30 AM 2.45 54.20
Wednesday 10/22/2025 10:00 AM 2.40 53.50
Wednesday 10/22/2025 10:30 AM 2.45 54.20
Wednesday 10/22/2025 11:30 AM 2.51 55.10
Wednesday 10/22/2025 12:00 PM 2.43 53.90
Wednesday 10/22/2025 12:30 PM 2.37 53.00
Wednesday 10/22/2025 01:00 PM 2.47 54.50
Wednesday 10/22/2025 01:30 PM 2.55 55.60
Wednesday 10/22/2025 02:00 PM 2.59 56.00
Wednesday 10/22/2025 02:30 PM 2.65 56.70
Wednesday 10/22/2025 03:00 PM 2.62 56.30
Wednesday 10/22/2025 03:30 PM 2.60 56.10
Wednesday 10/22/2025 04:00 PM 2.75 57.80
Wednesday 10/22/2025 04:30 PM 2.72 57.40
Wednesday 10/22/2025 05:00 PM 2.73 57.50

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