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 November 3rd, 2026 12:00 PM CST
River Status: Normal

  Height Flow
Currently 5.81 ft 70.9 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
  Tuesday 11/03/2026 06:00 PM 5.90 72.10
  Wednesday 11/04/2026 12:00 AM 5.90 72.10
  Wednesday 11/04/2026 06:00 AM 6.10 74.70
  Wednesday 11/04/2026 12:00 PM 6.60 80.40
  Wednesday 11/04/2026 06:00 PM 7.10 86.20
  Thursday 11/05/2026 12:00 AM 7.70 93.40

Observation
  Date (CST) Stage (ft) Flow (kcfs)
Tuesday 11/03/2026 09:10 AM 5.86 71.60
Tuesday 11/03/2026 09:20 AM 5.84 71.30
Tuesday 11/03/2026 09:30 AM 5.86 71.60
Tuesday 11/03/2026 09:40 AM 5.84 71.30
Tuesday 11/03/2026 09:50 AM 5.87 71.70
Tuesday 11/03/2026 10:00 AM 5.85 71.50
Tuesday 11/03/2026 10:10 AM 5.85 71.50
Tuesday 11/03/2026 10:20 AM 5.84 71.30
Tuesday 11/03/2026 10:30 AM 5.84 71.30
Tuesday 11/03/2026 10:40 AM 5.82 71.00
Tuesday 11/03/2026 10:50 AM 5.81 70.90
Tuesday 11/03/2026 11:00 AM 5.82 71.00
Tuesday 11/03/2026 11:10 AM 5.84 71.30
Tuesday 11/03/2026 11:20 AM 5.81 70.90
Tuesday 11/03/2026 11:30 AM 5.81 70.90
Tuesday 11/03/2026 11:40 AM 5.84 71.30
Tuesday 11/03/2026 11:50 AM 5.82 71.00
Tuesday 11/03/2026 12:00 PM 5.81 70.90
Tuesday 11/03/2026 12:10 PM 5.81 70.90
Tuesday 11/03/2026 12:20 PM 5.80 70.80

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