Mississippi River At Quincy Lock And Dam 21

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Hydrograph

Stage Color Key
16 ft - Near Flood 18 ft - Minor Flood 21 ft - Moderate Flood 25 ft - Major Flood

Latest Observation: Tuesday September 16th, 2025 05:00 PM CDT
River Status: Normal

  Height Flow
Currently 5.19 ft 62.5 kcfs
Record 31.3 ft 428694 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Tuesday 09/16/2025 07:00 PM 5.10 61.30
  Wednesday 09/17/2025 01:00 AM 5.30 64.00
  Wednesday 09/17/2025 07:00 AM 5.30 64.00
  Wednesday 09/17/2025 01:00 PM 5.30 64.00
  Wednesday 09/17/2025 07:00 PM 5.20 62.70
  Thursday 09/18/2025 01:00 AM 5.20 62.70

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 09/16/2025 01:40 PM 5.20 62.70
Tuesday 09/16/2025 01:50 PM 5.18 62.40
Tuesday 09/16/2025 02:00 PM 5.19 62.50
Tuesday 09/16/2025 02:10 PM 5.22 62.90
Tuesday 09/16/2025 02:20 PM 5.20 62.70
Tuesday 09/16/2025 02:30 PM 5.20 62.70
Tuesday 09/16/2025 02:40 PM 5.19 62.50
Tuesday 09/16/2025 02:50 PM 5.18 62.40
Tuesday 09/16/2025 03:00 PM 5.19 62.50
Tuesday 09/16/2025 03:10 PM 5.21 62.80
Tuesday 09/16/2025 03:20 PM 5.19 62.50
Tuesday 09/16/2025 03:30 PM 5.26 63.50
Tuesday 09/16/2025 03:40 PM 5.20 62.70
Tuesday 09/16/2025 03:50 PM 5.21 62.80
Tuesday 09/16/2025 04:00 PM 5.19 62.50
Tuesday 09/16/2025 04:10 PM 5.21 62.80
Tuesday 09/16/2025 04:20 PM 5.20 62.70
Tuesday 09/16/2025 04:30 PM 5.25 63.30
Tuesday 09/16/2025 04:40 PM 5.19 62.50
Tuesday 09/16/2025 04:50 PM 5.20 62.70

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