Madison River at Ennis, MT
Madison County, Montana · USGS 06040050
Latest observation
What this gauge represents: This gauge measures conditions on Madison River at its USGS monitoring location in Madison County; conditions elsewhere on the waterway may differ.
Observed · 57 minutes 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.
Below historical median · Falling
Streamflow is currently 801 ft³/s, 21% below the historical median for this date. Flow has fallen 12 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 1,020 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Current water conditions
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 | 914 CFS |
| Aug 29, 2026, 12:00 AM | 944 CFS |
| Aug 30, 2026, 12:00 AM | 936 CFS |
| Aug 31, 2026, 12:00 AM | 940 CFS |
| Sep 1, 2026, 12:00 AM | 912 CFS |
| Sep 2, 2026, 12:00 AM | 910 CFS |
| Sep 3, 2026, 12:00 AM | 884 CFS |
| Sep 4, 2026, 12:00 AM | 889 CFS |
| Sep 5, 2026, 12:00 AM | 885 CFS |
| Sep 6, 2026, 12:00 AM | 879 CFS |
| Sep 7, 2026, 12:00 AM | 883 CFS |
| Sep 8, 2026, 12:00 AM | 879 CFS |
| Sep 9, 2026, 12:00 AM | 876 CFS |
| Sep 10, 2026, 12:00 AM | 871 CFS |
| Sep 11, 2026, 12:00 AM | 863 CFS |
| Sep 12, 2026, 12:00 AM | 876 CFS |
| Sep 13, 2026, 12:00 AM | 871 CFS |
| Sep 14, 2026, 12:00 AM | 867 CFS |
| Sep 15, 2026, 12:00 AM | 871 CFS |
| Sep 16, 2026, 12:00 AM | 868 CFS |
| Sep 17, 2026, 12:00 AM | 889 CFS |
| Sep 18, 2026, 12:00 AM | 938 CFS |
| Sep 19, 2026, 12:00 AM | 1,050 CFS |
| Sep 20, 2026, 12:00 AM | 976 CFS |
| Sep 21, 2026, 12:00 AM | 914 CFS |
| Sep 22, 2026, 12:00 AM | 878 CFS |
| Sep 23, 2026, 12:00 AM | 895 CFS |
| Sep 24, 2026, 12:00 AM | 893 CFS |
| Sep 25, 2026, 12:00 AM | 845 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
View USGS station →