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: Saturday October 17th, 2026 09:30 PM CDT
River Status: Normal

  Height Flow
Currently 7.92 ft 127 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 10/18/2026 07:00 AM 7.80 N/A
  Sunday 10/18/2026 01:00 PM 7.70 N/A
  Sunday 10/18/2026 07:00 PM 7.60 N/A
  Monday 10/19/2026 01:00 AM 7.50 N/A
  Monday 10/19/2026 07:00 AM 7.50 N/A
  Monday 10/19/2026 01:00 PM 7.50 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 10/17/2026 11:30 AM 8.74 N/A
Saturday 10/17/2026 12:00 PM 8.72 N/A
Saturday 10/17/2026 12:30 PM 8.40 N/A
Saturday 10/17/2026 01:00 PM 8.31 N/A
Saturday 10/17/2026 01:30 PM 8.21 N/A
Saturday 10/17/2026 02:00 PM 8.16 N/A
Saturday 10/17/2026 02:30 PM 8.11 N/A
Saturday 10/17/2026 03:00 PM 8.06 N/A
Saturday 10/17/2026 03:30 PM 8.03 N/A
Saturday 10/17/2026 04:00 PM 8.04 N/A
Saturday 10/17/2026 04:30 PM 8.04 N/A
Saturday 10/17/2026 05:00 PM 8.03 N/A
Saturday 10/17/2026 05:30 PM 7.99 N/A
Saturday 10/17/2026 06:00 PM 7.96 N/A
Saturday 10/17/2026 06:30 PM 7.99 N/A
Saturday 10/17/2026 07:00 PM 7.97 N/A
Saturday 10/17/2026 07:30 PM 8.00 N/A
Saturday 10/17/2026 08:00 PM 7.99 N/A
Saturday 10/17/2026 08:30 PM 8.13 N/A
Saturday 10/17/2026 09:00 PM 7.97 N/A

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