Mackinaw River near Congerville, IL
Woodford County, Illinois · USGS 05567500
Latest observation
What this gauge represents: This gauge measures conditions on Mackinaw River at its USGS monitoring location in Woodford County; conditions elsewhere on the waterway may differ.
Observed · 1 hour ago
Observed
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Above historical median · Falling
Streamflow is currently 86 ft³/s, 3.6× the historical median for this date. Flow has fallen 6 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 24 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 252 CFS |
| Aug 29, 2026, 12:00 AM | 219 CFS |
| Aug 30, 2026, 12:00 AM | 199 CFS |
| Aug 31, 2026, 12:00 AM | 181 CFS |
| Sep 1, 2026, 12:00 AM | 168 CFS |
| Sep 2, 2026, 12:00 AM | 153 CFS |
| Sep 3, 2026, 12:00 AM | 142 CFS |
| Sep 4, 2026, 12:00 AM | 128 CFS |
| Sep 5, 2026, 12:00 AM | 113 CFS |
| Sep 6, 2026, 12:00 AM | 100 CFS |
| Sep 7, 2026, 12:00 AM | 86.3 CFS |
| Sep 8, 2026, 12:00 AM | 78.3 CFS |
| Sep 9, 2026, 12:00 AM | 73.7 CFS |
| Sep 10, 2026, 12:00 AM | 71.5 CFS |
| Sep 11, 2026, 12:00 AM | 68.4 CFS |
| Sep 12, 2026, 12:00 AM | 67.3 CFS |
| Sep 13, 2026, 12:00 AM | 62.9 CFS |
| Sep 14, 2026, 12:00 AM | 55.3 CFS |
| Sep 15, 2026, 12:00 AM | 54.1 CFS |
| Sep 16, 2026, 12:00 AM | 125 CFS |
| Sep 17, 2026, 12:00 AM | 136 CFS |
| Sep 18, 2026, 12:00 AM | 126 CFS |
| Sep 19, 2026, 12:00 AM | 129 CFS |
| Sep 20, 2026, 12:00 AM | 120 CFS |
| Sep 21, 2026, 12:00 AM | 131 CFS |
| Sep 22, 2026, 12:00 AM | 133 CFS |
| Sep 23, 2026, 12:00 AM | 121 CFS |
| Sep 24, 2026, 12:00 AM | 106 CFS |
| Sep 25, 2026, 12:00 AM | 96.7 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
View USGS station →