Mississippi River At Quincy Lock And Dam 21
Back to River Summary
| Stage Color Key |
| 16 ft - Near Flood |
18 ft - Minor Flood |
21 ft - Moderate Flood |
25 ft - Major Flood |
Latest Observation:
Monday August 17th, 2026 08:00 PM CDT
River Status:
Normal
| |
Height |
Flow |
| Currently |
11.28 ft |
136 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 08/17/2026 07:00 PM |
11.30 |
136.00 |
|
|
Tuesday 08/18/2026 01:00 AM |
11.40 |
137.00 |
|
|
Tuesday 08/18/2026 07:00 AM |
11.50 |
138.00 |
|
|
Tuesday 08/18/2026 01:00 PM |
11.50 |
138.00 |
|
|
Tuesday 08/18/2026 07:00 PM |
11.40 |
137.00 |
|
|
Wednesday 08/19/2026 01:00 AM |
11.10 |
134.00 |
| Observation |
| |
Date (CDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Monday 08/17/2026 04:40 PM |
11.21 |
135.00 |
|
|
Monday 08/17/2026 04:50 PM |
11.23 |
135.00 |
|
|
Monday 08/17/2026 05:00 PM |
11.23 |
135.00 |
|
|
Monday 08/17/2026 05:10 PM |
11.23 |
135.00 |
|
|
Monday 08/17/2026 05:20 PM |
11.25 |
135.00 |
|
|
Monday 08/17/2026 05:30 PM |
11.24 |
135.00 |
|
|
Monday 08/17/2026 05:40 PM |
11.25 |
135.00 |
|
|
Monday 08/17/2026 05:50 PM |
11.28 |
136.00 |
|
|
Monday 08/17/2026 06:00 PM |
11.27 |
136.00 |
|
|
Monday 08/17/2026 06:10 PM |
11.25 |
135.00 |
|
|
Monday 08/17/2026 06:20 PM |
11.26 |
136.00 |
|
|
Monday 08/17/2026 06:30 PM |
11.26 |
136.00 |
|
|
Monday 08/17/2026 06:40 PM |
11.27 |
136.00 |
|
|
Monday 08/17/2026 06:50 PM |
11.27 |
136.00 |
|
|
Monday 08/17/2026 07:00 PM |
11.28 |
136.00 |
|
|
Monday 08/17/2026 07:10 PM |
11.28 |
136.00 |
|
|
Monday 08/17/2026 07:20 PM |
11.30 |
136.00 |
|
|
Monday 08/17/2026 07:30 PM |
11.28 |
136.00 |
|
|
Monday 08/17/2026 07:40 PM |
11.29 |
136.00 |
|
|
Monday 08/17/2026 07:50 PM |
11.28 |
136.00 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org