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: Saturday May 2nd, 2026 05:00 AM CDT
River Status: Normal

  Height Flow
Currently 14.96 ft 184 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
  Friday 05/01/2026 07:00 PM 15.40 191.00
  Saturday 05/02/2026 01:00 AM 15.20 188.00
  Saturday 05/02/2026 07:00 AM 15.00 184.00
  Saturday 05/02/2026 01:00 PM 14.80 182.00
  Saturday 05/02/2026 07:00 PM 14.50 178.00
  Sunday 05/03/2026 01:00 AM 14.30 175.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 05/02/2026 01:40 AM 15.08 186.00
Saturday 05/02/2026 01:50 AM 15.07 186.00
Saturday 05/02/2026 02:00 AM 15.08 186.00
Saturday 05/02/2026 02:10 AM 15.07 186.00
Saturday 05/02/2026 02:20 AM 15.07 186.00
Saturday 05/02/2026 02:30 AM 15.07 186.00
Saturday 05/02/2026 02:40 AM 15.06 185.00
Saturday 05/02/2026 02:50 AM 15.05 185.00
Saturday 05/02/2026 03:00 AM 15.05 185.00
Saturday 05/02/2026 03:10 AM 15.04 185.00
Saturday 05/02/2026 03:20 AM 15.05 185.00
Saturday 05/02/2026 03:30 AM 15.02 185.00
Saturday 05/02/2026 03:40 AM 15.02 185.00
Saturday 05/02/2026 03:50 AM 15.01 185.00
Saturday 05/02/2026 04:00 AM 15.01 185.00
Saturday 05/02/2026 04:10 AM 14.99 184.00
Saturday 05/02/2026 04:20 AM 14.98 184.00
Saturday 05/02/2026 04:30 AM 14.97 184.00
Saturday 05/02/2026 04:40 AM 14.99 184.00
Saturday 05/02/2026 04:50 AM 14.98 184.00

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