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 August 2nd, 2026 08:00 AM CDT
River Status: Normal

  Height Flow
Currently 4.62 ft 79.2 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
  Sunday 08/02/2026 07:00 AM 4.60 N/A
  Sunday 08/02/2026 01:00 PM 4.50 N/A
  Sunday 08/02/2026 07:00 PM 4.50 N/A
  Monday 08/03/2026 01:00 AM 4.50 N/A
  Monday 08/03/2026 07:00 AM 4.50 N/A
  Monday 08/03/2026 01:00 PM 4.60 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 08/01/2026 10:30 PM 4.72 N/A
Saturday 08/01/2026 11:00 PM 4.54 N/A
Saturday 08/01/2026 11:30 PM 4.58 N/A
Sunday 08/02/2026 12:00 AM 4.62 N/A
Sunday 08/02/2026 12:30 AM 4.61 N/A
Sunday 08/02/2026 01:00 AM 4.59 N/A
Sunday 08/02/2026 01:30 AM 4.58 N/A
Sunday 08/02/2026 02:00 AM 4.58 N/A
Sunday 08/02/2026 02:30 AM 4.60 N/A
Sunday 08/02/2026 03:00 AM 4.62 N/A
Sunday 08/02/2026 03:30 AM 4.54 N/A
Sunday 08/02/2026 04:00 AM 4.59 N/A
Sunday 08/02/2026 04:30 AM 4.60 N/A
Sunday 08/02/2026 05:00 AM 4.59 N/A
Sunday 08/02/2026 05:30 AM 4.58 N/A
Sunday 08/02/2026 06:00 AM 4.60 N/A
Sunday 08/02/2026 06:30 AM 4.59 N/A
Sunday 08/02/2026 07:00 AM 4.61 N/A
Sunday 08/02/2026 07:30 AM 4.65 N/A
Sunday 08/02/2026 08:00 AM 4.62 N/A

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