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: Tuesday July 21st, 2026 04:30 AM CDT
River Status: Normal

  Height Flow
Currently 8.28 ft 132 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
  Tuesday 07/21/2026 07:00 AM 7.90 N/A
  Tuesday 07/21/2026 01:00 PM 7.70 N/A
  Tuesday 07/21/2026 07:00 PM 7.50 N/A
  Wednesday 07/22/2026 01:00 AM 7.40 N/A
  Wednesday 07/22/2026 07:00 AM 7.30 N/A
  Wednesday 07/22/2026 01:00 PM 7.10 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 07/20/2026 06:00 PM 8.54 N/A
Monday 07/20/2026 06:30 PM 8.54 N/A
Monday 07/20/2026 07:00 PM 8.45 N/A
Monday 07/20/2026 07:30 PM 8.48 N/A
Monday 07/20/2026 08:00 PM 8.42 N/A
Monday 07/20/2026 09:00 PM 8.35 N/A
Monday 07/20/2026 09:30 PM 8.35 N/A
Monday 07/20/2026 10:00 PM 8.35 N/A
Monday 07/20/2026 10:30 PM 8.34 N/A
Monday 07/20/2026 11:00 PM 8.32 N/A
Monday 07/20/2026 11:30 PM 8.31 N/A
Tuesday 07/21/2026 12:00 AM 8.31 N/A
Tuesday 07/21/2026 12:30 AM 8.29 N/A
Tuesday 07/21/2026 01:00 AM 8.27 N/A
Tuesday 07/21/2026 01:30 AM 8.28 N/A
Tuesday 07/21/2026 02:00 AM 8.27 N/A
Tuesday 07/21/2026 02:30 AM 8.24 N/A
Tuesday 07/21/2026 03:00 AM 8.27 N/A
Tuesday 07/21/2026 03:30 AM 8.36 N/A
Tuesday 07/21/2026 04:00 AM 8.28 N/A

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