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 September 29th, 2026 09:30 AM CDT
River Status: Normal

  Height Flow
Currently 11.57 ft 181 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 09/29/2026 07:00 AM 12.20 N/A
  Tuesday 09/29/2026 01:00 PM 11.80 N/A
  Tuesday 09/29/2026 07:00 PM 11.40 N/A
  Wednesday 09/30/2026 01:00 AM 11.10 N/A
  Wednesday 09/30/2026 07:00 AM 10.90 N/A
  Wednesday 09/30/2026 01:00 PM 10.70 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Monday 09/28/2026 11:30 PM 12.61 N/A
Tuesday 09/29/2026 12:00 AM 12.58 N/A
Tuesday 09/29/2026 12:30 AM 12.58 N/A
Tuesday 09/29/2026 01:00 AM 12.56 N/A
Tuesday 09/29/2026 01:30 AM 12.55 N/A
Tuesday 09/29/2026 02:00 AM 12.52 N/A
Tuesday 09/29/2026 02:30 AM 12.53 N/A
Tuesday 09/29/2026 03:00 AM 12.50 N/A
Tuesday 09/29/2026 03:30 AM 12.49 N/A
Tuesday 09/29/2026 04:00 AM 12.48 N/A
Tuesday 09/29/2026 04:30 AM 12.48 N/A
Tuesday 09/29/2026 05:00 AM 12.45 N/A
Tuesday 09/29/2026 05:30 AM 12.43 N/A
Tuesday 09/29/2026 06:00 AM 12.42 N/A
Tuesday 09/29/2026 06:30 AM 12.38 N/A
Tuesday 09/29/2026 07:00 AM 11.85 N/A
Tuesday 09/29/2026 07:30 AM 11.75 N/A
Tuesday 09/29/2026 08:00 AM 11.69 N/A
Tuesday 09/29/2026 08:30 AM 11.62 N/A
Tuesday 09/29/2026 09:00 AM 11.58 N/A

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