Mississippi River At Mel Price (alton) Lock And Dam

Back to River Summary

Hydrograph

Stage Color Key
19 ft - Near Flood 21 ft - Minor Flood 29 ft - Moderate Flood 34 ft - Major Flood

Latest Observation: Sunday October 11th, 2026 08:30 PM CDT
River Status: Normal

  Height Flow
Currently 11.71 ft 183 kcfs
Record 42.72 ft 369500 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Monday 10/12/2026 07:00 AM 11.30 N/A
  Monday 10/12/2026 01:00 PM 10.90 N/A
  Monday 10/12/2026 07:00 PM 10.50 N/A
  Tuesday 10/13/2026 01:00 AM 10.20 N/A
  Tuesday 10/13/2026 07:00 AM 9.90 N/A
  Tuesday 10/13/2026 01:00 PM 9.60 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Sunday 10/11/2026 10:30 AM 12.02 N/A
Sunday 10/11/2026 11:00 AM 12.02 N/A
Sunday 10/11/2026 11:30 AM 11.98 N/A
Sunday 10/11/2026 12:00 PM 11.98 N/A
Sunday 10/11/2026 12:30 PM 11.78 N/A
Sunday 10/11/2026 01:00 PM 11.77 N/A
Sunday 10/11/2026 01:30 PM 11.78 N/A
Sunday 10/11/2026 02:00 PM 11.72 N/A
Sunday 10/11/2026 02:30 PM 11.71 N/A
Sunday 10/11/2026 03:00 PM 11.70 N/A
Sunday 10/11/2026 03:30 PM 11.72 N/A
Sunday 10/11/2026 04:00 PM 11.71 N/A
Sunday 10/11/2026 04:30 PM 11.71 N/A
Sunday 10/11/2026 05:00 PM 11.72 N/A
Sunday 10/11/2026 05:30 PM 11.74 N/A
Sunday 10/11/2026 06:00 PM 11.73 N/A
Sunday 10/11/2026 06:30 PM 11.72 N/A
Sunday 10/11/2026 07:00 PM 11.76 N/A
Sunday 10/11/2026 07:30 PM 11.75 N/A
Sunday 10/11/2026 08:00 PM 11.75 N/A

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