Mississippi River At Mel Price (alton) Lock And Dam

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Hydrograph

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

Latest Observation: Friday March 27th, 2026 05:30 AM CDT
River Status: Normal

  Height Flow
Currently 7.44 ft 120 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
  Friday 03/27/2026 07:00 AM 7.50 121.00
  Friday 03/27/2026 01:00 PM 7.50 121.00
  Friday 03/27/2026 07:00 PM 7.60 122.00
  Saturday 03/28/2026 01:00 AM 7.70 124.00
  Saturday 03/28/2026 07:00 AM 7.80 125.00
  Saturday 03/28/2026 01:00 PM 7.90 127.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Thursday 03/26/2026 07:30 PM 7.49 120.00
Thursday 03/26/2026 08:00 PM 7.52 121.00
Thursday 03/26/2026 08:30 PM 7.48 120.00
Thursday 03/26/2026 09:00 PM 7.45 120.00
Thursday 03/26/2026 09:30 PM 7.42 119.00
Thursday 03/26/2026 10:00 PM 7.43 119.00
Thursday 03/26/2026 10:30 PM 7.39 119.00
Thursday 03/26/2026 11:00 PM 7.41 119.00
Thursday 03/26/2026 11:30 PM 7.45 120.00
Friday 03/27/2026 12:00 AM 7.43 119.00
Friday 03/27/2026 12:30 AM 7.38 119.00
Friday 03/27/2026 01:00 AM 7.38 119.00
Friday 03/27/2026 01:30 AM 7.43 119.00
Friday 03/27/2026 02:00 AM 7.42 119.00
Friday 03/27/2026 02:30 AM 7.41 119.00
Friday 03/27/2026 03:00 AM 7.45 120.00
Friday 03/27/2026 03:30 AM 7.42 119.00
Friday 03/27/2026 04:00 AM 7.42 119.00
Friday 03/27/2026 04:30 AM 7.50 121.00
Friday 03/27/2026 05:00 AM 7.44 120.00

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