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: Thursday November 27th, 2025 09:00 AM CST
River Status: Normal

  Height Flow
Currently 2.76 ft 30 kcfs
Record 31.3 ft 428694 cfs

Forecast
  Date (CST) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Wednesday 11/26/2025 06:00 PM 3.00 33.00
  Thursday 11/27/2025 12:00 AM 3.00 33.00
  Thursday 11/27/2025 06:00 AM 3.00 33.00
  Thursday 11/27/2025 12:00 PM 2.90 31.80
  Thursday 11/27/2025 06:00 PM 2.80 30.50
  Friday 11/28/2025 12:00 AM 2.80 30.50

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Thursday 11/27/2025 06:10 AM 2.76 30.00
Thursday 11/27/2025 06:20 AM 2.78 30.30
Thursday 11/27/2025 06:30 AM 2.77 30.10
Thursday 11/27/2025 06:40 AM 2.78 30.30
Thursday 11/27/2025 06:50 AM 2.78 30.30
Thursday 11/27/2025 07:00 AM 2.78 30.30
Thursday 11/27/2025 07:10 AM 2.76 30.00
Thursday 11/27/2025 07:20 AM 2.77 30.10
Thursday 11/27/2025 07:30 AM 2.78 30.30
Thursday 11/27/2025 07:40 AM 2.69 29.10
Thursday 11/27/2025 07:50 AM 2.90 31.80
Thursday 11/27/2025 08:00 AM 2.78 30.30
Thursday 11/27/2025 08:10 AM 2.79 30.40
Thursday 11/27/2025 08:20 AM 2.74 29.80
Thursday 11/27/2025 08:30 AM 2.78 30.30
Thursday 11/27/2025 08:40 AM 2.77 30.10
Thursday 11/27/2025 08:50 AM 2.80 30.50
Thursday 11/27/2025 09:00 AM 2.76 30.00
Thursday 11/27/2025 09:10 AM 2.78 30.30
Thursday 11/27/2025 09:20 AM 2.78 30.30

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