Mississippi River At Quincy Lock And Dam 21

Back to River Summary

Hydrograph

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

Latest Observation: Monday June 22nd, 2026 11:00 AM CDT
River Status: Normal

  Height Flow
Currently 14.13 ft 173 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
  Monday 06/22/2026 07:00 PM 14.30 175.00
  Tuesday 06/23/2026 01:00 AM 14.20 174.00
  Tuesday 06/23/2026 07:00 AM 14.20 174.00
  Tuesday 06/23/2026 01:00 PM 14.30 175.00
  Tuesday 06/23/2026 07:00 PM 14.30 175.00
  Wednesday 06/24/2026 01:00 AM 14.30 175.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 06/22/2026 07:40 AM 14.11 172.00
Monday 06/22/2026 07:50 AM 14.11 172.00
Monday 06/22/2026 08:00 AM 14.13 173.00
Monday 06/22/2026 08:10 AM 14.12 173.00
Monday 06/22/2026 08:20 AM 14.12 173.00
Monday 06/22/2026 08:30 AM 14.10 172.00
Monday 06/22/2026 08:40 AM 14.12 173.00
Monday 06/22/2026 08:50 AM 14.11 172.00
Monday 06/22/2026 09:00 AM 14.14 173.00
Monday 06/22/2026 09:10 AM 14.12 173.00
Monday 06/22/2026 09:20 AM 14.16 173.00
Monday 06/22/2026 09:30 AM 14.13 173.00
Monday 06/22/2026 09:40 AM 14.12 173.00
Monday 06/22/2026 09:50 AM 14.13 173.00
Monday 06/22/2026 10:00 AM 14.13 173.00
Monday 06/22/2026 10:10 AM 14.14 173.00
Monday 06/22/2026 10:20 AM 14.15 173.00
Monday 06/22/2026 10:30 AM 14.13 173.00
Monday 06/22/2026 10:40 AM 14.13 173.00
Monday 06/22/2026 10:50 AM 14.14 173.00

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